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Date: Wed, 5 Oct 2022 11:08:38 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.19.14
diff --git a/Makefile b/Makefile
index 2ecedf786e27..ff4a15867145 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 19
-SUBLEVEL = 13
+SUBLEVEL = 14
EXTRAVERSION =
NAME = Superb Owl
diff --git a/arch/arm/boot/dts/am33xx-l4.dtsi b/arch/arm/boot/dts/am33xx-l4.dtsi
index 7da42a5b959c..7e50fe633d8a 100644
--- a/arch/arm/boot/dts/am33xx-l4.dtsi
+++ b/arch/arm/boot/dts/am33xx-l4.dtsi
@@ -1502,8 +1502,7 @@ SYSC_OMAP2_SOFTRESET |
mmc1: mmc@0 {
compatible = "ti,am335-sdhci";
ti,needs-special-reset;
- dmas = <&edma_xbar 24 0 0
- &edma_xbar 25 0 0>;
+ dmas = <&edma 24 0>, <&edma 25 0>;
dma-names = "tx", "rx";
interrupts = <64>;
reg = <0x0 0x1000>;
diff --git a/arch/arm/boot/dts/am5748.dtsi b/arch/arm/boot/dts/am5748.dtsi
index c260aa1a85bd..a1f029e9d1f3 100644
--- a/arch/arm/boot/dts/am5748.dtsi
+++ b/arch/arm/boot/dts/am5748.dtsi
@@ -25,6 +25,10 @@ &usb3_tm {
status = "disabled";
};
+&usb4_tm {
+ status = "disabled";
+};
+
&atl_tm {
status = "disabled";
};
diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts
index 9b652cc27b14..c983435ed492 100644
--- a/arch/arm/boot/dts/integratorap.dts
+++ b/arch/arm/boot/dts/integratorap.dts
@@ -160,6 +160,7 @@ pic: pic@...00000 {
pci: pciv3@...00000 {
compatible = "arm,integrator-ap-pci", "v3,v360epc-pci";
+ device_type = "pci";
#interrupt-cells = <1>;
#size-cells = <2>;
#address-cells = <3>;
diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index 3293f76478df..0e5a4fbb5eb1 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -2128,7 +2128,7 @@ ufs_mem_hc: ufshc@...4000 {
ufs_mem_phy: phy@...7000 {
compatible = "qcom,sm8350-qmp-ufs-phy";
- reg = <0 0x01d87000 0 0xe10>;
+ reg = <0 0x01d87000 0 0x1c4>;
#address-cells = <2>;
#size-cells = <2>;
ranges;
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index db2f3d193448..33d50f38f2e0 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -937,15 +937,6 @@ pmd_t radix__pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long addre
pmd = *pmdp;
pmd_clear(pmdp);
- /*
- * pmdp collapse_flush need to ensure that there are no parallel gup
- * walk after this call. This is needed so that we can have stable
- * page ref count when collapsing a page. We don't allow a collapse page
- * if we have gup taken on the page. We can ensure that by sending IPI
- * because gup walk happens with IRQ disabled.
- */
- serialize_against_pte_lookup(vma->vm_mm);
-
radix__flush_tlb_collapsed_pmd(vma->vm_mm, address);
return pmd;
diff --git a/arch/riscv/Kconfig.erratas b/arch/riscv/Kconfig.erratas
index 457ac72c9b36..e59a770b4432 100644
--- a/arch/riscv/Kconfig.erratas
+++ b/arch/riscv/Kconfig.erratas
@@ -46,7 +46,7 @@ config ERRATA_THEAD
config ERRATA_THEAD_PBMT
bool "Apply T-Head memory type errata"
- depends on ERRATA_THEAD && 64BIT
+ depends on ERRATA_THEAD && 64BIT && MMU
select RISCV_ALTERNATIVE_EARLY
default y
help
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 81a0211a372d..a73bced40e24 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -21,16 +21,6 @@ DECLARE_PER_CPU_READ_MOSTLY(u16, cpu_llc_id);
DECLARE_PER_CPU_READ_MOSTLY(u16, cpu_l2c_id);
DECLARE_PER_CPU_READ_MOSTLY(int, cpu_number);
-static inline struct cpumask *cpu_llc_shared_mask(int cpu)
-{
- return per_cpu(cpu_llc_shared_map, cpu);
-}
-
-static inline struct cpumask *cpu_l2c_shared_mask(int cpu)
-{
- return per_cpu(cpu_l2c_shared_map, cpu);
-}
-
DECLARE_EARLY_PER_CPU_READ_MOSTLY(u16, x86_cpu_to_apicid);
DECLARE_EARLY_PER_CPU_READ_MOSTLY(u32, x86_cpu_to_acpiid);
DECLARE_EARLY_PER_CPU_READ_MOSTLY(u16, x86_bios_cpu_apicid);
@@ -172,6 +162,16 @@ extern int safe_smp_processor_id(void);
# define safe_smp_processor_id() smp_processor_id()
#endif
+static inline struct cpumask *cpu_llc_shared_mask(int cpu)
+{
+ return per_cpu(cpu_llc_shared_map, cpu);
+}
+
+static inline struct cpumask *cpu_l2c_shared_mask(int cpu)
+{
+ return per_cpu(cpu_l2c_shared_map, cpu);
+}
+
#else /* !CONFIG_SMP */
#define wbinvd_on_cpu(cpu) wbinvd()
static inline int wbinvd_on_all_cpus(void)
@@ -179,6 +179,11 @@ static inline int wbinvd_on_all_cpus(void)
wbinvd();
return 0;
}
+
+static inline struct cpumask *cpu_llc_shared_mask(int cpu)
+{
+ return (struct cpumask *)cpumask_of(0);
+}
#endif /* CONFIG_SMP */
extern unsigned disabled_cpus;
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 62f6b8b7c4a5..4f3204364caa 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -1319,22 +1319,23 @@ struct bp_patching_desc {
atomic_t refs;
};
-static struct bp_patching_desc *bp_desc;
+static struct bp_patching_desc bp_desc;
static __always_inline
-struct bp_patching_desc *try_get_desc(struct bp_patching_desc **descp)
+struct bp_patching_desc *try_get_desc(void)
{
- /* rcu_dereference */
- struct bp_patching_desc *desc = __READ_ONCE(*descp);
+ struct bp_patching_desc *desc = &bp_desc;
- if (!desc || !arch_atomic_inc_not_zero(&desc->refs))
+ if (!arch_atomic_inc_not_zero(&desc->refs))
return NULL;
return desc;
}
-static __always_inline void put_desc(struct bp_patching_desc *desc)
+static __always_inline void put_desc(void)
{
+ struct bp_patching_desc *desc = &bp_desc;
+
smp_mb__before_atomic();
arch_atomic_dec(&desc->refs);
}
@@ -1367,15 +1368,15 @@ noinstr int poke_int3_handler(struct pt_regs *regs)
/*
* Having observed our INT3 instruction, we now must observe
- * bp_desc:
+ * bp_desc with non-zero refcount:
*
- * bp_desc = desc INT3
+ * bp_desc.refs = 1 INT3
* WMB RMB
- * write INT3 if (desc)
+ * write INT3 if (bp_desc.refs != 0)
*/
smp_rmb();
- desc = try_get_desc(&bp_desc);
+ desc = try_get_desc();
if (!desc)
return 0;
@@ -1429,7 +1430,7 @@ noinstr int poke_int3_handler(struct pt_regs *regs)
ret = 1;
out_put:
- put_desc(desc);
+ put_desc();
return ret;
}
@@ -1460,18 +1461,20 @@ static int tp_vec_nr;
*/
static void text_poke_bp_batch(struct text_poke_loc *tp, unsigned int nr_entries)
{
- struct bp_patching_desc desc = {
- .vec = tp,
- .nr_entries = nr_entries,
- .refs = ATOMIC_INIT(1),
- };
unsigned char int3 = INT3_INSN_OPCODE;
unsigned int i;
int do_sync;
lockdep_assert_held(&text_mutex);
- smp_store_release(&bp_desc, &desc); /* rcu_assign_pointer */
+ bp_desc.vec = tp;
+ bp_desc.nr_entries = nr_entries;
+
+ /*
+ * Corresponds to the implicit memory barrier in try_get_desc() to
+ * ensure reading a non-zero refcount provides up to date bp_desc data.
+ */
+ atomic_set_release(&bp_desc.refs, 1);
/*
* Corresponding read barrier in int3 notifier for making sure the
@@ -1559,12 +1562,10 @@ static void text_poke_bp_batch(struct text_poke_loc *tp, unsigned int nr_entries
text_poke_sync();
/*
- * Remove and synchronize_rcu(), except we have a very primitive
- * refcount based completion.
+ * Remove and wait for refs to be zero.
*/
- WRITE_ONCE(bp_desc, NULL); /* RCU_INIT_POINTER */
- if (!atomic_dec_and_test(&desc.refs))
- atomic_cond_read_acquire(&desc.refs, !VAL);
+ if (!atomic_dec_and_test(&bp_desc.refs))
+ atomic_cond_read_acquire(&bp_desc.refs, !VAL);
}
static void text_poke_loc_init(struct text_poke_loc *tp, void *addr,
diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index a78652d43e61..9fbc43b6b8b4 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -49,9 +49,13 @@ static LIST_HEAD(sgx_dirty_page_list);
* Reset post-kexec EPC pages to the uninitialized state. The pages are removed
* from the input list, and made available for the page allocator. SECS pages
* prepending their children in the input list are left intact.
+ *
+ * Return 0 when sanitization was successful or kthread was stopped, and the
+ * number of unsanitized pages otherwise.
*/
-static void __sgx_sanitize_pages(struct list_head *dirty_page_list)
+static unsigned long __sgx_sanitize_pages(struct list_head *dirty_page_list)
{
+ unsigned long left_dirty = 0;
struct sgx_epc_page *page;
LIST_HEAD(dirty);
int ret;
@@ -59,7 +63,7 @@ static void __sgx_sanitize_pages(struct list_head *dirty_page_list)
/* dirty_page_list is thread-local, no need for a lock: */
while (!list_empty(dirty_page_list)) {
if (kthread_should_stop())
- return;
+ return 0;
page = list_first_entry(dirty_page_list, struct sgx_epc_page, list);
@@ -92,12 +96,14 @@ static void __sgx_sanitize_pages(struct list_head *dirty_page_list)
} else {
/* The page is not yet clean - move to the dirty list. */
list_move_tail(&page->list, &dirty);
+ left_dirty++;
}
cond_resched();
}
list_splice(&dirty, dirty_page_list);
+ return left_dirty;
}
static bool sgx_reclaimer_age(struct sgx_epc_page *epc_page)
@@ -440,10 +446,7 @@ static int ksgxd(void *p)
* required for SECS pages, whose child pages blocked EREMOVE.
*/
__sgx_sanitize_pages(&sgx_dirty_page_list);
- __sgx_sanitize_pages(&sgx_dirty_page_list);
-
- /* sanity check: */
- WARN_ON(!list_empty(&sgx_dirty_page_list));
+ WARN_ON(__sgx_sanitize_pages(&sgx_dirty_page_list));
while (!kthread_should_stop()) {
if (try_to_freeze())
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 3ab498165639..cb14441cee37 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -870,8 +870,6 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
entry->edx = 0;
}
break;
- case 9:
- break;
case 0xa: { /* Architectural Performance Monitoring */
struct x86_pmu_capability cap;
union cpuid10_eax eax;
diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c
index ad0139d25401..f1bb18617156 100644
--- a/arch/x86/lib/usercopy.c
+++ b/arch/x86/lib/usercopy.c
@@ -44,7 +44,7 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n)
* called from other contexts.
*/
pagefault_disable();
- ret = __copy_from_user_inatomic(to, from, n);
+ ret = raw_copy_from_user(to, from, n);
pagefault_enable();
return ret;
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 9601fa92950a..6211d5bb7637 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3988,6 +3988,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "PIONEER DVD-RW DVR-212D", NULL, ATA_HORKAGE_NOSETXFER },
{ "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER },
+ /* These specific Pioneer models have LPM issues */
+ { "PIONEER BD-RW BDR-207M", NULL, ATA_HORKAGE_NOLPM },
+ { "PIONEER BD-RW BDR-205", NULL, ATA_HORKAGE_NOLPM },
+
/* Crucial BX100 SSD 500GB has broken LPM support */
{ "CT500BX100SSD1", NULL, ATA_HORKAGE_NOLPM },
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 59d6d5faf739..dcd639e58ff0 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -322,14 +322,14 @@ static blk_status_t virtblk_prep_rq(struct blk_mq_hw_ctx *hctx,
if (unlikely(status))
return status;
- blk_mq_start_request(req);
-
vbr->sg_table.nents = virtblk_map_data(hctx, req, vbr);
if (unlikely(vbr->sg_table.nents < 0)) {
virtblk_cleanup_cmd(req);
return BLK_STS_RESOURCE;
}
+ blk_mq_start_request(req);
+
return BLK_STS_OK;
}
@@ -391,8 +391,7 @@ static bool virtblk_prep_rq_batch(struct request *req)
}
static bool virtblk_add_req_batch(struct virtio_blk_vq *vq,
- struct request **rqlist,
- struct request **requeue_list)
+ struct request **rqlist)
{
unsigned long flags;
int err;
@@ -408,7 +407,7 @@ static bool virtblk_add_req_batch(struct virtio_blk_vq *vq,
if (err) {
virtblk_unmap_data(req, vbr);
virtblk_cleanup_cmd(req);
- rq_list_add(requeue_list, req);
+ blk_mq_requeue_request(req, true);
}
}
@@ -436,7 +435,7 @@ static void virtio_queue_rqs(struct request **rqlist)
if (!next || req->mq_hctx != next->mq_hctx) {
req->rq_next = NULL;
- kick = virtblk_add_req_batch(vq, rqlist, &requeue_list);
+ kick = virtblk_add_req_batch(vq, rqlist);
if (kick)
virtqueue_notify(vq->vq);
diff --git a/drivers/clk/bcm/clk-iproc-pll.c b/drivers/clk/bcm/clk-iproc-pll.c
index 33da30f99c79..d39c44b61c52 100644
--- a/drivers/clk/bcm/clk-iproc-pll.c
+++ b/drivers/clk/bcm/clk-iproc-pll.c
@@ -736,6 +736,7 @@ void iproc_pll_clk_setup(struct device_node *node,
const char *parent_name;
struct iproc_clk *iclk_array;
struct clk_hw_onecell_data *clk_data;
+ const char *clk_name;
if (WARN_ON(!pll_ctrl) || WARN_ON(!clk_ctrl))
return;
@@ -783,7 +784,12 @@ void iproc_pll_clk_setup(struct device_node *node,
iclk = &iclk_array[0];
iclk->pll = pll;
- init.name = node->name;
+ ret = of_property_read_string_index(node, "clock-output-names",
+ 0, &clk_name);
+ if (WARN_ON(ret))
+ goto err_pll_register;
+
+ init.name = clk_name;
init.ops = &iproc_pll_ops;
init.flags = 0;
parent_name = of_clk_get_parent_name(node, 0);
@@ -803,13 +809,11 @@ void iproc_pll_clk_setup(struct device_node *node,
goto err_pll_register;
clk_data->hws[0] = &iclk->hw;
+ parent_name = clk_name;
/* now initialize and register all leaf clocks */
for (i = 1; i < num_clks; i++) {
- const char *clk_name;
-
memset(&init, 0, sizeof(init));
- parent_name = node->name;
ret = of_property_read_string_index(node, "clock-output-names",
i, &clk_name);
diff --git a/drivers/clk/imx/clk-imx6sx.c b/drivers/clk/imx/clk-imx6sx.c
index fc1bd23d4583..598f3cf4eba4 100644
--- a/drivers/clk/imx/clk-imx6sx.c
+++ b/drivers/clk/imx/clk-imx6sx.c
@@ -280,13 +280,13 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
hws[IMX6SX_CLK_SSI3_SEL] = imx_clk_hw_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
hws[IMX6SX_CLK_SSI2_SEL] = imx_clk_hw_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
hws[IMX6SX_CLK_SSI1_SEL] = imx_clk_hw_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
- hws[IMX6SX_CLK_QSPI1_SEL] = imx_clk_hw_mux_flags("qspi1_sel", base + 0x1c, 7, 3, qspi1_sels, ARRAY_SIZE(qspi1_sels), CLK_SET_RATE_PARENT);
+ hws[IMX6SX_CLK_QSPI1_SEL] = imx_clk_hw_mux("qspi1_sel", base + 0x1c, 7, 3, qspi1_sels, ARRAY_SIZE(qspi1_sels));
hws[IMX6SX_CLK_PERCLK_SEL] = imx_clk_hw_mux("perclk_sel", base + 0x1c, 6, 1, perclk_sels, ARRAY_SIZE(perclk_sels));
hws[IMX6SX_CLK_VID_SEL] = imx_clk_hw_mux("vid_sel", base + 0x20, 21, 3, vid_sels, ARRAY_SIZE(vid_sels));
hws[IMX6SX_CLK_ESAI_SEL] = imx_clk_hw_mux("esai_sel", base + 0x20, 19, 2, audio_sels, ARRAY_SIZE(audio_sels));
hws[IMX6SX_CLK_CAN_SEL] = imx_clk_hw_mux("can_sel", base + 0x20, 8, 2, can_sels, ARRAY_SIZE(can_sels));
hws[IMX6SX_CLK_UART_SEL] = imx_clk_hw_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels));
- hws[IMX6SX_CLK_QSPI2_SEL] = imx_clk_hw_mux_flags("qspi2_sel", base + 0x2c, 15, 3, qspi2_sels, ARRAY_SIZE(qspi2_sels), CLK_SET_RATE_PARENT);
+ hws[IMX6SX_CLK_QSPI2_SEL] = imx_clk_hw_mux("qspi2_sel", base + 0x2c, 15, 3, qspi2_sels, ARRAY_SIZE(qspi2_sels));
hws[IMX6SX_CLK_SPDIF_SEL] = imx_clk_hw_mux("spdif_sel", base + 0x30, 20, 2, audio_sels, ARRAY_SIZE(audio_sels));
hws[IMX6SX_CLK_AUDIO_SEL] = imx_clk_hw_mux("audio_sel", base + 0x30, 7, 2, audio_sels, ARRAY_SIZE(audio_sels));
hws[IMX6SX_CLK_ENET_PRE_SEL] = imx_clk_hw_mux("enet_pre_sel", base + 0x34, 15, 3, enet_pre_sels, ARRAY_SIZE(enet_pre_sels));
diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c
index f5c9fa40491c..dcc41d178238 100644
--- a/drivers/clk/imx/clk-imx93.c
+++ b/drivers/clk/imx/clk-imx93.c
@@ -332,7 +332,7 @@ static struct platform_driver imx93_clk_driver = {
.driver = {
.name = "imx93-ccm",
.suppress_bind_attrs = true,
- .of_match_table = of_match_ptr(imx93_clk_of_match),
+ .of_match_table = imx93_clk_of_match,
},
};
module_platform_driver(imx93_clk_driver);
diff --git a/drivers/clk/ingenic/tcu.c b/drivers/clk/ingenic/tcu.c
index 201bf6e6b6e0..d5544cbc5c48 100644
--- a/drivers/clk/ingenic/tcu.c
+++ b/drivers/clk/ingenic/tcu.c
@@ -101,15 +101,11 @@ static bool ingenic_tcu_enable_regs(struct clk_hw *hw)
bool enabled = false;
/*
- * If the SoC has no global TCU clock, we must ungate the channel's
- * clock to be able to access its registers.
- * If we have a TCU clock, it will be enabled automatically as it has
- * been attached to the regmap.
+ * According to the programming manual, a timer channel's registers can
+ * only be accessed when the channel's stop bit is clear.
*/
- if (!tcu->clk) {
- enabled = !!ingenic_tcu_is_enabled(hw);
- regmap_write(tcu->map, TCU_REG_TSCR, BIT(info->gate_bit));
- }
+ enabled = !!ingenic_tcu_is_enabled(hw);
+ regmap_write(tcu->map, TCU_REG_TSCR, BIT(info->gate_bit));
return enabled;
}
@@ -120,8 +116,7 @@ static void ingenic_tcu_disable_regs(struct clk_hw *hw)
const struct ingenic_tcu_clk_info *info = tcu_clk->info;
struct ingenic_tcu *tcu = tcu_clk->tcu;
- if (!tcu->clk)
- regmap_write(tcu->map, TCU_REG_TSSR, BIT(info->gate_bit));
+ regmap_write(tcu->map, TCU_REG_TSSR, BIT(info->gate_bit));
}
static u8 ingenic_tcu_get_parent(struct clk_hw *hw)
diff --git a/drivers/clk/microchip/clk-mpfs.c b/drivers/clk/microchip/clk-mpfs.c
index 070c3b896559..b6b89413e090 100644
--- a/drivers/clk/microchip/clk-mpfs.c
+++ b/drivers/clk/microchip/clk-mpfs.c
@@ -239,6 +239,11 @@ static const struct clk_ops mpfs_clk_cfg_ops = {
.hw.init = CLK_HW_INIT(_name, _parent, &mpfs_clk_cfg_ops, 0), \
}
+#define CLK_CPU_OFFSET 0u
+#define CLK_AXI_OFFSET 1u
+#define CLK_AHB_OFFSET 2u
+#define CLK_RTCREF_OFFSET 3u
+
static struct mpfs_cfg_hw_clock mpfs_cfg_clks[] = {
CLK_CFG(CLK_CPU, "clk_cpu", "clk_msspll", 0, 2, mpfs_div_cpu_axi_table, 0,
REG_CLOCK_CONFIG_CR),
@@ -362,7 +367,7 @@ static const struct clk_ops mpfs_periph_clk_ops = {
_flags), \
}
-#define PARENT_CLK(PARENT) (&mpfs_cfg_clks[CLK_##PARENT].hw)
+#define PARENT_CLK(PARENT) (&mpfs_cfg_clks[CLK_##PARENT##_OFFSET].hw)
/*
* Critical clocks:
@@ -370,6 +375,8 @@ static const struct clk_ops mpfs_periph_clk_ops = {
* trap handler
* - CLK_MMUART0: reserved by the hss
* - CLK_DDRC: provides clock to the ddr subsystem
+ * - CLK_RTC: the onboard RTC's AHB bus clock must be kept running as the rtc will stop
+ * if the AHB interface clock is disabled
* - CLK_FICx: these provide the processor side clocks to the "FIC" (Fabric InterConnect)
* clock domain crossers which provide the interface to the FPGA fabric. Disabling them
* causes the FPGA fabric to go into reset.
@@ -394,7 +401,7 @@ static struct mpfs_periph_hw_clock mpfs_periph_clks[] = {
CLK_PERIPH(CLK_CAN0, "clk_periph_can0", PARENT_CLK(AHB), 14, 0),
CLK_PERIPH(CLK_CAN1, "clk_periph_can1", PARENT_CLK(AHB), 15, 0),
CLK_PERIPH(CLK_USB, "clk_periph_usb", PARENT_CLK(AHB), 16, 0),
- CLK_PERIPH(CLK_RTC, "clk_periph_rtc", PARENT_CLK(AHB), 18, 0),
+ CLK_PERIPH(CLK_RTC, "clk_periph_rtc", PARENT_CLK(AHB), 18, CLK_IS_CRITICAL),
CLK_PERIPH(CLK_QSPI, "clk_periph_qspi", PARENT_CLK(AHB), 19, 0),
CLK_PERIPH(CLK_GPIO0, "clk_periph_gpio0", PARENT_CLK(AHB), 20, 0),
CLK_PERIPH(CLK_GPIO1, "clk_periph_gpio1", PARENT_CLK(AHB), 21, 0),
diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c
index a17e51d65aca..4407203e0c9b 100644
--- a/drivers/counter/104-quad-8.c
+++ b/drivers/counter/104-quad-8.c
@@ -33,6 +33,36 @@ MODULE_PARM_DESC(irq, "ACCES 104-QUAD-8 interrupt line numbers");
#define QUAD8_NUM_COUNTERS 8
+/**
+ * struct channel_reg - channel register structure
+ * @data: Count data
+ * @control: Channel flags and control
+ */
+struct channel_reg {
+ u8 data;
+ u8 control;
+};
+
+/**
+ * struct quad8_reg - device register structure
+ * @channel: quadrature counter data and control
+ * @interrupt_status: channel interrupt status
+ * @channel_oper: enable/reset counters and interrupt functions
+ * @index_interrupt: enable channel interrupts
+ * @reserved: reserved for Factory Use
+ * @index_input_levels: index signal logical input level
+ * @cable_status: differential encoder cable status
+ */
+struct quad8_reg {
+ struct channel_reg channel[QUAD8_NUM_COUNTERS];
+ u8 interrupt_status;
+ u8 channel_oper;
+ u8 index_interrupt;
+ u8 reserved[3];
+ u8 index_input_levels;
+ u8 cable_status;
+};
+
/**
* struct quad8 - device private data structure
* @lock: lock to prevent clobbering device states during R/W ops
@@ -48,7 +78,7 @@ MODULE_PARM_DESC(irq, "ACCES 104-QUAD-8 interrupt line numbers");
* @synchronous_mode: array of index function synchronous mode configurations
* @index_polarity: array of index function polarity configurations
* @cable_fault_enable: differential encoder cable status enable configurations
- * @base: base port address of the device
+ * @reg: I/O address offset for the device registers
*/
struct quad8 {
spinlock_t lock;
@@ -63,14 +93,9 @@ struct quad8 {
unsigned int synchronous_mode[QUAD8_NUM_COUNTERS];
unsigned int index_polarity[QUAD8_NUM_COUNTERS];
unsigned int cable_fault_enable;
- unsigned int base;
+ struct quad8_reg __iomem *reg;
};
-#define QUAD8_REG_INTERRUPT_STATUS 0x10
-#define QUAD8_REG_CHAN_OP 0x11
-#define QUAD8_REG_INDEX_INTERRUPT 0x12
-#define QUAD8_REG_INDEX_INPUT_LEVELS 0x16
-#define QUAD8_DIFF_ENCODER_CABLE_STATUS 0x17
/* Borrow Toggle flip-flop */
#define QUAD8_FLAG_BT BIT(0)
/* Carry Toggle flip-flop */
@@ -118,8 +143,7 @@ static int quad8_signal_read(struct counter_device *counter,
if (signal->id < 16)
return -EINVAL;
- state = inb(priv->base + QUAD8_REG_INDEX_INPUT_LEVELS)
- & BIT(signal->id - 16);
+ state = ioread8(&priv->reg->index_input_levels) & BIT(signal->id - 16);
*level = (state) ? COUNTER_SIGNAL_LEVEL_HIGH : COUNTER_SIGNAL_LEVEL_LOW;
@@ -130,14 +154,14 @@ static int quad8_count_read(struct counter_device *counter,
struct counter_count *count, u64 *val)
{
struct quad8 *const priv = counter_priv(counter);
- const int base_offset = priv->base + 2 * count->id;
+ struct channel_reg __iomem *const chan = priv->reg->channel + count->id;
unsigned int flags;
unsigned int borrow;
unsigned int carry;
unsigned long irqflags;
int i;
- flags = inb(base_offset + 1);
+ flags = ioread8(&chan->control);
borrow = flags & QUAD8_FLAG_BT;
carry = !!(flags & QUAD8_FLAG_CT);
@@ -147,11 +171,11 @@ static int quad8_count_read(struct counter_device *counter,
spin_lock_irqsave(&priv->lock, irqflags);
/* Reset Byte Pointer; transfer Counter to Output Latch */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_CNTR_OUT,
- base_offset + 1);
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_CNTR_OUT,
+ &chan->control);
for (i = 0; i < 3; i++)
- *val |= (unsigned long)inb(base_offset) << (8 * i);
+ *val |= (unsigned long)ioread8(&chan->data) << (8 * i);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -162,7 +186,7 @@ static int quad8_count_write(struct counter_device *counter,
struct counter_count *count, u64 val)
{
struct quad8 *const priv = counter_priv(counter);
- const int base_offset = priv->base + 2 * count->id;
+ struct channel_reg __iomem *const chan = priv->reg->channel + count->id;
unsigned long irqflags;
int i;
@@ -173,27 +197,27 @@ static int quad8_count_write(struct counter_device *counter,
spin_lock_irqsave(&priv->lock, irqflags);
/* Reset Byte Pointer */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, &chan->control);
/* Counter can only be set via Preset Register */
for (i = 0; i < 3; i++)
- outb(val >> (8 * i), base_offset);
+ iowrite8(val >> (8 * i), &chan->data);
/* Transfer Preset Register to Counter */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_PRESET_CNTR, base_offset + 1);
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_PRESET_CNTR, &chan->control);
/* Reset Byte Pointer */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, &chan->control);
/* Set Preset Register back to original value */
val = priv->preset[count->id];
for (i = 0; i < 3; i++)
- outb(val >> (8 * i), base_offset);
+ iowrite8(val >> (8 * i), &chan->data);
/* Reset Borrow, Carry, Compare, and Sign flags */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_FLAGS, base_offset + 1);
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_FLAGS, &chan->control);
/* Reset Error flag */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_E, base_offset + 1);
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_E, &chan->control);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -246,7 +270,7 @@ static int quad8_function_write(struct counter_device *counter,
unsigned int *const quadrature_mode = priv->quadrature_mode + id;
unsigned int *const scale = priv->quadrature_scale + id;
unsigned int *const synchronous_mode = priv->synchronous_mode + id;
- const int base_offset = priv->base + 2 * id + 1;
+ u8 __iomem *const control = &priv->reg->channel[id].control;
unsigned long irqflags;
unsigned int mode_cfg;
unsigned int idr_cfg;
@@ -266,7 +290,7 @@ static int quad8_function_write(struct counter_device *counter,
if (*synchronous_mode) {
*synchronous_mode = 0;
/* Disable synchronous function mode */
- outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
+ iowrite8(QUAD8_CTR_IDR | idr_cfg, control);
}
} else {
*quadrature_mode = 1;
@@ -292,7 +316,7 @@ static int quad8_function_write(struct counter_device *counter,
}
/* Load mode configuration to Counter Mode Register */
- outb(QUAD8_CTR_CMR | mode_cfg, base_offset);
+ iowrite8(QUAD8_CTR_CMR | mode_cfg, control);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -305,10 +329,10 @@ static int quad8_direction_read(struct counter_device *counter,
{
const struct quad8 *const priv = counter_priv(counter);
unsigned int ud_flag;
- const unsigned int flag_addr = priv->base + 2 * count->id + 1;
+ u8 __iomem *const flag_addr = &priv->reg->channel[count->id].control;
/* U/D flag: nonzero = up, zero = down */
- ud_flag = inb(flag_addr) & QUAD8_FLAG_UD;
+ ud_flag = ioread8(flag_addr) & QUAD8_FLAG_UD;
*direction = (ud_flag) ? COUNTER_COUNT_DIRECTION_FORWARD :
COUNTER_COUNT_DIRECTION_BACKWARD;
@@ -402,7 +426,6 @@ static int quad8_events_configure(struct counter_device *counter)
struct counter_event_node *event_node;
unsigned int next_irq_trigger;
unsigned long ior_cfg;
- unsigned long base_offset;
spin_lock_irqsave(&priv->lock, irqflags);
@@ -426,6 +449,9 @@ static int quad8_events_configure(struct counter_device *counter)
return -EINVAL;
}
+ /* Enable IRQ line */
+ irq_enabled |= BIT(event_node->channel);
+
/* Skip configuration if it is the same as previously set */
if (priv->irq_trigger[event_node->channel] == next_irq_trigger)
continue;
@@ -437,14 +463,11 @@ static int quad8_events_configure(struct counter_device *counter)
ior_cfg = priv->ab_enable[event_node->channel] |
priv->preset_enable[event_node->channel] << 1 |
priv->irq_trigger[event_node->channel] << 3;
- base_offset = priv->base + 2 * event_node->channel + 1;
- outb(QUAD8_CTR_IOR | ior_cfg, base_offset);
-
- /* Enable IRQ line */
- irq_enabled |= BIT(event_node->channel);
+ iowrite8(QUAD8_CTR_IOR | ior_cfg,
+ &priv->reg->channel[event_node->channel].control);
}
- outb(irq_enabled, priv->base + QUAD8_REG_INDEX_INTERRUPT);
+ iowrite8(irq_enabled, &priv->reg->index_interrupt);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -508,7 +531,7 @@ static int quad8_index_polarity_set(struct counter_device *counter,
{
struct quad8 *const priv = counter_priv(counter);
const size_t channel_id = signal->id - 16;
- const int base_offset = priv->base + 2 * channel_id + 1;
+ u8 __iomem *const control = &priv->reg->channel[channel_id].control;
unsigned long irqflags;
unsigned int idr_cfg = index_polarity << 1;
@@ -519,7 +542,7 @@ static int quad8_index_polarity_set(struct counter_device *counter,
priv->index_polarity[channel_id] = index_polarity;
/* Load Index Control configuration to Index Control Register */
- outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
+ iowrite8(QUAD8_CTR_IDR | idr_cfg, control);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -549,7 +572,7 @@ static int quad8_synchronous_mode_set(struct counter_device *counter,
{
struct quad8 *const priv = counter_priv(counter);
const size_t channel_id = signal->id - 16;
- const int base_offset = priv->base + 2 * channel_id + 1;
+ u8 __iomem *const control = &priv->reg->channel[channel_id].control;
unsigned long irqflags;
unsigned int idr_cfg = synchronous_mode;
@@ -566,7 +589,7 @@ static int quad8_synchronous_mode_set(struct counter_device *counter,
priv->synchronous_mode[channel_id] = synchronous_mode;
/* Load Index Control configuration to Index Control Register */
- outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
+ iowrite8(QUAD8_CTR_IDR | idr_cfg, control);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -614,7 +637,7 @@ static int quad8_count_mode_write(struct counter_device *counter,
struct quad8 *const priv = counter_priv(counter);
unsigned int count_mode;
unsigned int mode_cfg;
- const int base_offset = priv->base + 2 * count->id + 1;
+ u8 __iomem *const control = &priv->reg->channel[count->id].control;
unsigned long irqflags;
/* Map Generic Counter count mode to 104-QUAD-8 count mode */
@@ -648,7 +671,7 @@ static int quad8_count_mode_write(struct counter_device *counter,
mode_cfg |= (priv->quadrature_scale[count->id] + 1) << 3;
/* Load mode configuration to Counter Mode Register */
- outb(QUAD8_CTR_CMR | mode_cfg, base_offset);
+ iowrite8(QUAD8_CTR_CMR | mode_cfg, control);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -669,7 +692,7 @@ static int quad8_count_enable_write(struct counter_device *counter,
struct counter_count *count, u8 enable)
{
struct quad8 *const priv = counter_priv(counter);
- const int base_offset = priv->base + 2 * count->id;
+ u8 __iomem *const control = &priv->reg->channel[count->id].control;
unsigned long irqflags;
unsigned int ior_cfg;
@@ -681,7 +704,7 @@ static int quad8_count_enable_write(struct counter_device *counter,
priv->irq_trigger[count->id] << 3;
/* Load I/O control configuration */
- outb(QUAD8_CTR_IOR | ior_cfg, base_offset + 1);
+ iowrite8(QUAD8_CTR_IOR | ior_cfg, control);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -697,9 +720,9 @@ static int quad8_error_noise_get(struct counter_device *counter,
struct counter_count *count, u32 *noise_error)
{
const struct quad8 *const priv = counter_priv(counter);
- const int base_offset = priv->base + 2 * count->id + 1;
+ u8 __iomem *const flag_addr = &priv->reg->channel[count->id].control;
- *noise_error = !!(inb(base_offset) & QUAD8_FLAG_E);
+ *noise_error = !!(ioread8(flag_addr) & QUAD8_FLAG_E);
return 0;
}
@@ -717,17 +740,17 @@ static int quad8_count_preset_read(struct counter_device *counter,
static void quad8_preset_register_set(struct quad8 *const priv, const int id,
const unsigned int preset)
{
- const unsigned int base_offset = priv->base + 2 * id;
+ struct channel_reg __iomem *const chan = priv->reg->channel + id;
int i;
priv->preset[id] = preset;
/* Reset Byte Pointer */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, &chan->control);
/* Set Preset Register */
for (i = 0; i < 3; i++)
- outb(preset >> (8 * i), base_offset);
+ iowrite8(preset >> (8 * i), &chan->data);
}
static int quad8_count_preset_write(struct counter_device *counter,
@@ -816,7 +839,7 @@ static int quad8_count_preset_enable_write(struct counter_device *counter,
u8 preset_enable)
{
struct quad8 *const priv = counter_priv(counter);
- const int base_offset = priv->base + 2 * count->id + 1;
+ u8 __iomem *const control = &priv->reg->channel[count->id].control;
unsigned long irqflags;
unsigned int ior_cfg;
@@ -831,7 +854,7 @@ static int quad8_count_preset_enable_write(struct counter_device *counter,
priv->irq_trigger[count->id] << 3;
/* Load I/O control configuration to Input / Output Control Register */
- outb(QUAD8_CTR_IOR | ior_cfg, base_offset);
+ iowrite8(QUAD8_CTR_IOR | ior_cfg, control);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -858,7 +881,7 @@ static int quad8_signal_cable_fault_read(struct counter_device *counter,
}
/* Logic 0 = cable fault */
- status = inb(priv->base + QUAD8_DIFF_ENCODER_CABLE_STATUS);
+ status = ioread8(&priv->reg->cable_status);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -899,7 +922,7 @@ static int quad8_signal_cable_fault_enable_write(struct counter_device *counter,
/* Enable is active low in Differential Encoder Cable Status register */
cable_fault_enable = ~priv->cable_fault_enable;
- outb(cable_fault_enable, priv->base + QUAD8_DIFF_ENCODER_CABLE_STATUS);
+ iowrite8(cable_fault_enable, &priv->reg->cable_status);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -923,7 +946,7 @@ static int quad8_signal_fck_prescaler_write(struct counter_device *counter,
{
struct quad8 *const priv = counter_priv(counter);
const size_t channel_id = signal->id / 2;
- const int base_offset = priv->base + 2 * channel_id;
+ struct channel_reg __iomem *const chan = priv->reg->channel + channel_id;
unsigned long irqflags;
spin_lock_irqsave(&priv->lock, irqflags);
@@ -931,12 +954,12 @@ static int quad8_signal_fck_prescaler_write(struct counter_device *counter,
priv->fck_prescaler[channel_id] = prescaler;
/* Reset Byte Pointer */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, &chan->control);
/* Set filter clock factor */
- outb(prescaler, base_offset);
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_PRESET_PSC,
- base_offset + 1);
+ iowrite8(prescaler, &chan->data);
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_PRESET_PSC,
+ &chan->control);
spin_unlock_irqrestore(&priv->lock, irqflags);
@@ -1084,12 +1107,11 @@ static irqreturn_t quad8_irq_handler(int irq, void *private)
{
struct counter_device *counter = private;
struct quad8 *const priv = counter_priv(counter);
- const unsigned long base = priv->base;
unsigned long irq_status;
unsigned long channel;
u8 event;
- irq_status = inb(base + QUAD8_REG_INTERRUPT_STATUS);
+ irq_status = ioread8(&priv->reg->interrupt_status);
if (!irq_status)
return IRQ_NONE;
@@ -1118,17 +1140,43 @@ static irqreturn_t quad8_irq_handler(int irq, void *private)
}
/* Clear pending interrupts on device */
- outb(QUAD8_CHAN_OP_ENABLE_INTERRUPT_FUNC, base + QUAD8_REG_CHAN_OP);
+ iowrite8(QUAD8_CHAN_OP_ENABLE_INTERRUPT_FUNC, &priv->reg->channel_oper);
return IRQ_HANDLED;
}
+static void quad8_init_counter(struct channel_reg __iomem *const chan)
+{
+ unsigned long i;
+
+ /* Reset Byte Pointer */
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, &chan->control);
+ /* Reset filter clock factor */
+ iowrite8(0, &chan->data);
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_PRESET_PSC,
+ &chan->control);
+ /* Reset Byte Pointer */
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, &chan->control);
+ /* Reset Preset Register */
+ for (i = 0; i < 3; i++)
+ iowrite8(0x00, &chan->data);
+ /* Reset Borrow, Carry, Compare, and Sign flags */
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_FLAGS, &chan->control);
+ /* Reset Error flag */
+ iowrite8(QUAD8_CTR_RLD | QUAD8_RLD_RESET_E, &chan->control);
+ /* Binary encoding; Normal count; non-quadrature mode */
+ iowrite8(QUAD8_CTR_CMR, &chan->control);
+ /* Disable A and B inputs; preset on index; FLG1 as Carry */
+ iowrite8(QUAD8_CTR_IOR, &chan->control);
+ /* Disable index function; negative index polarity */
+ iowrite8(QUAD8_CTR_IDR, &chan->control);
+}
+
static int quad8_probe(struct device *dev, unsigned int id)
{
struct counter_device *counter;
struct quad8 *priv;
- int i, j;
- unsigned int base_offset;
+ unsigned long i;
int err;
if (!devm_request_region(dev, base[id], QUAD8_EXTENT, dev_name(dev))) {
@@ -1142,6 +1190,10 @@ static int quad8_probe(struct device *dev, unsigned int id)
return -ENOMEM;
priv = counter_priv(counter);
+ priv->reg = devm_ioport_map(dev, base[id], QUAD8_EXTENT);
+ if (!priv->reg)
+ return -ENOMEM;
+
/* Initialize Counter device and driver data */
counter->name = dev_name(dev);
counter->parent = dev;
@@ -1150,43 +1202,20 @@ static int quad8_probe(struct device *dev, unsigned int id)
counter->num_counts = ARRAY_SIZE(quad8_counts);
counter->signals = quad8_signals;
counter->num_signals = ARRAY_SIZE(quad8_signals);
- priv->base = base[id];
spin_lock_init(&priv->lock);
/* Reset Index/Interrupt Register */
- outb(0x00, base[id] + QUAD8_REG_INDEX_INTERRUPT);
+ iowrite8(0x00, &priv->reg->index_interrupt);
/* Reset all counters and disable interrupt function */
- outb(QUAD8_CHAN_OP_RESET_COUNTERS, base[id] + QUAD8_REG_CHAN_OP);
+ iowrite8(QUAD8_CHAN_OP_RESET_COUNTERS, &priv->reg->channel_oper);
/* Set initial configuration for all counters */
- for (i = 0; i < QUAD8_NUM_COUNTERS; i++) {
- base_offset = base[id] + 2 * i;
- /* Reset Byte Pointer */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
- /* Reset filter clock factor */
- outb(0, base_offset);
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_PRESET_PSC,
- base_offset + 1);
- /* Reset Byte Pointer */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
- /* Reset Preset Register */
- for (j = 0; j < 3; j++)
- outb(0x00, base_offset);
- /* Reset Borrow, Carry, Compare, and Sign flags */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_FLAGS, base_offset + 1);
- /* Reset Error flag */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_E, base_offset + 1);
- /* Binary encoding; Normal count; non-quadrature mode */
- outb(QUAD8_CTR_CMR, base_offset + 1);
- /* Disable A and B inputs; preset on index; FLG1 as Carry */
- outb(QUAD8_CTR_IOR, base_offset + 1);
- /* Disable index function; negative index polarity */
- outb(QUAD8_CTR_IDR, base_offset + 1);
- }
+ for (i = 0; i < QUAD8_NUM_COUNTERS; i++)
+ quad8_init_counter(priv->reg->channel + i);
/* Disable Differential Encoder Cable Status for all channels */
- outb(0xFF, base[id] + QUAD8_DIFF_ENCODER_CABLE_STATUS);
+ iowrite8(0xFF, &priv->reg->cable_status);
/* Enable all counters and enable interrupt function */
- outb(QUAD8_CHAN_OP_ENABLE_INTERRUPT_FUNC, base[id] + QUAD8_REG_CHAN_OP);
+ iowrite8(QUAD8_CHAN_OP_ENABLE_INTERRUPT_FUNC, &priv->reg->channel_oper);
err = devm_request_irq(&counter->dev, irq[id], quad8_irq_handler,
IRQF_SHARED, counter->name, counter);
diff --git a/drivers/firmware/arm_scmi/scmi_pm_domain.c b/drivers/firmware/arm_scmi/scmi_pm_domain.c
index 581d34c95769..d5dee625de78 100644
--- a/drivers/firmware/arm_scmi/scmi_pm_domain.c
+++ b/drivers/firmware/arm_scmi/scmi_pm_domain.c
@@ -8,7 +8,6 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/module.h>
-#include <linux/pm_clock.h>
#include <linux/pm_domain.h>
#include <linux/scmi_protocol.h>
@@ -53,27 +52,6 @@ static int scmi_pd_power_off(struct generic_pm_domain *domain)
return scmi_pd_power(domain, false);
}
-static int scmi_pd_attach_dev(struct generic_pm_domain *pd, struct device *dev)
-{
- int ret;
-
- ret = pm_clk_create(dev);
- if (ret)
- return ret;
-
- ret = of_pm_clk_add_clks(dev);
- if (ret >= 0)
- return 0;
-
- pm_clk_destroy(dev);
- return ret;
-}
-
-static void scmi_pd_detach_dev(struct generic_pm_domain *pd, struct device *dev)
-{
- pm_clk_destroy(dev);
-}
-
static int scmi_pm_domain_probe(struct scmi_device *sdev)
{
int num_domains, i;
@@ -124,10 +102,6 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev)
scmi_pd->genpd.name = scmi_pd->name;
scmi_pd->genpd.power_off = scmi_pd_power_off;
scmi_pd->genpd.power_on = scmi_pd_power_on;
- scmi_pd->genpd.attach_dev = scmi_pd_attach_dev;
- scmi_pd->genpd.detach_dev = scmi_pd_detach_dev;
- scmi_pd->genpd.flags = GENPD_FLAG_PM_CLK |
- GENPD_FLAG_ACTIVE_WAKEUP;
pm_genpd_init(&scmi_pd->genpd, NULL,
state == SCMI_POWER_STATE_GENERIC_OFF);
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 2db19cd640a4..de1e7a1a76f2 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -793,8 +793,12 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
u32 offset;
u32 set;
- if (of_device_is_compatible(mvchip->chip.of_node,
- "marvell,armada-370-gpio")) {
+ if (mvchip->soc_variant == MVEBU_GPIO_SOC_VARIANT_A8K) {
+ int ret = of_property_read_u32(dev->of_node,
+ "marvell,pwm-offset", &offset);
+ if (ret < 0)
+ return 0;
+ } else {
/*
* There are only two sets of PWM configuration registers for
* all the GPIO lines on those SoCs which this driver reserves
@@ -804,13 +808,6 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
if (!platform_get_resource_byname(pdev, IORESOURCE_MEM, "pwm"))
return 0;
offset = 0;
- } else if (mvchip->soc_variant == MVEBU_GPIO_SOC_VARIANT_A8K) {
- int ret = of_property_read_u32(dev->of_node,
- "marvell,pwm-offset", &offset);
- if (ret < 0)
- return 0;
- } else {
- return 0;
}
if (IS_ERR(mvchip->clk))
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 98ac53ee6bb5..6cded09d5878 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -1056,6 +1056,10 @@ bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev)
{
if (adev->flags & AMD_IS_APU)
return false;
+
+ if (amdgpu_sriov_vf(adev))
+ return false;
+
return pm_suspend_target_state != PM_SUSPEND_TO_IDLE;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 929f8b75bfae..53b07b091e82 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3178,7 +3178,8 @@ static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev)
continue;
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON ||
adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC ||
- adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) {
+ adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH ||
+ (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP && amdgpu_sriov_vf(adev))) {
r = adev->ip_blocks[i].version->funcs->resume(adev);
if (r) {
@@ -4124,12 +4125,20 @@ static void amdgpu_device_evict_resources(struct amdgpu_device *adev)
int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
{
struct amdgpu_device *adev = drm_to_adev(dev);
+ int r = 0;
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
adev->in_suspend = true;
+ if (amdgpu_sriov_vf(adev)) {
+ amdgpu_virt_fini_data_exchange(adev);
+ r = amdgpu_virt_request_full_gpu(adev, false);
+ if (r)
+ return r;
+ }
+
if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D3))
DRM_WARN("smart shift update failed\n");
@@ -4153,6 +4162,9 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
amdgpu_device_ip_suspend_phase2(adev);
+ if (amdgpu_sriov_vf(adev))
+ amdgpu_virt_release_full_gpu(adev, false);
+
return 0;
}
@@ -4171,6 +4183,12 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon)
struct amdgpu_device *adev = drm_to_adev(dev);
int r = 0;
+ if (amdgpu_sriov_vf(adev)) {
+ r = amdgpu_virt_request_full_gpu(adev, true);
+ if (r)
+ return r;
+ }
+
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
@@ -4185,6 +4203,13 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon)
}
r = amdgpu_device_ip_resume(adev);
+
+ /* no matter what r is, always need to properly release full GPU */
+ if (amdgpu_sriov_vf(adev)) {
+ amdgpu_virt_init_data_exchange(adev);
+ amdgpu_virt_release_full_gpu(adev, true);
+ }
+
if (r) {
dev_err(adev->dev, "amdgpu_device_ip_resume failed (%d).\n", r);
return r;
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 01c8b80e34ec..41431b9d55bd 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1863,12 +1863,6 @@ EXPORT_SYMBOL_GPL(analogix_dp_remove);
int analogix_dp_suspend(struct analogix_dp_device *dp)
{
clk_disable_unprepare(dp->clock);
-
- if (dp->plat_data->panel) {
- if (drm_panel_unprepare(dp->plat_data->panel))
- DRM_ERROR("failed to turnoff the panel\n");
- }
-
return 0;
}
EXPORT_SYMBOL_GPL(analogix_dp_suspend);
@@ -1883,13 +1877,6 @@ int analogix_dp_resume(struct analogix_dp_device *dp)
return ret;
}
- if (dp->plat_data->panel) {
- if (drm_panel_prepare(dp->plat_data->panel)) {
- DRM_ERROR("failed to setup the panel\n");
- return -EBUSY;
- }
- }
-
return 0;
}
EXPORT_SYMBOL_GPL(analogix_dp_resume);
diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
index c642d1e02b2f..167cd7d85dbb 100644
--- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
+++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
@@ -186,7 +186,7 @@ static int lt8912_write_lvds_config(struct lt8912 *lt)
{0x03, 0xff},
};
- return regmap_multi_reg_write(lt->regmap[I2C_CEC_DSI], seq, ARRAY_SIZE(seq));
+ return regmap_multi_reg_write(lt->regmap[I2C_MAIN], seq, ARRAY_SIZE(seq));
};
static inline struct lt8912 *bridge_to_lt8912(struct drm_bridge *b)
@@ -266,7 +266,7 @@ static int lt8912_video_setup(struct lt8912 *lt)
u32 hactive, h_total, hpw, hfp, hbp;
u32 vactive, v_total, vpw, vfp, vbp;
u8 settle = 0x08;
- int ret;
+ int ret, hsync_activehigh, vsync_activehigh;
if (!lt)
return -EINVAL;
@@ -276,12 +276,14 @@ static int lt8912_video_setup(struct lt8912 *lt)
hpw = lt->mode.hsync_len;
hbp = lt->mode.hback_porch;
h_total = hactive + hfp + hpw + hbp;
+ hsync_activehigh = lt->mode.flags & DISPLAY_FLAGS_HSYNC_HIGH;
vactive = lt->mode.vactive;
vfp = lt->mode.vfront_porch;
vpw = lt->mode.vsync_len;
vbp = lt->mode.vback_porch;
v_total = vactive + vfp + vpw + vbp;
+ vsync_activehigh = lt->mode.flags & DISPLAY_FLAGS_VSYNC_HIGH;
if (vactive <= 600)
settle = 0x04;
@@ -315,6 +317,13 @@ static int lt8912_video_setup(struct lt8912 *lt)
ret |= regmap_write(lt->regmap[I2C_CEC_DSI], 0x3e, hfp & 0xff);
ret |= regmap_write(lt->regmap[I2C_CEC_DSI], 0x3f, hfp >> 8);
+ ret |= regmap_update_bits(lt->regmap[I2C_MAIN], 0xab, BIT(0),
+ vsync_activehigh ? BIT(0) : 0);
+ ret |= regmap_update_bits(lt->regmap[I2C_MAIN], 0xab, BIT(1),
+ hsync_activehigh ? BIT(1) : 0);
+ ret |= regmap_update_bits(lt->regmap[I2C_MAIN], 0xb2, BIT(0),
+ lt->connector.display_info.is_hdmi ? BIT(0) : 0);
+
return ret;
}
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index 298f2cc7a879..3ca0ae5ed1fb 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -155,6 +155,21 @@ struct intel_engine_execlists {
*/
struct timer_list preempt;
+ /**
+ * @preempt_target: active request at the time of the preemption request
+ *
+ * We force a preemption to occur if the pending contexts have not
+ * been promoted to active upon receipt of the CS ack event within
+ * the timeout. This timeout maybe chosen based on the target,
+ * using a very short timeout if the context is no longer schedulable.
+ * That short timeout may not be applicable to other contexts, so
+ * if a context switch should happen within before the preemption
+ * timeout, we may shoot early at an innocent context. To prevent this,
+ * we record which context was active at the time of the preemption
+ * request and only reset that context upon the timeout.
+ */
+ const struct i915_request *preempt_target;
+
/**
* @ccid: identifier for contexts submitted to this engine
*/
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index 0627fa10d2dc..277f9d6551f4 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -1241,6 +1241,9 @@ static unsigned long active_preempt_timeout(struct intel_engine_cs *engine,
if (!rq)
return 0;
+ /* Only allow ourselves to force reset the currently active context */
+ engine->execlists.preempt_target = rq;
+
/* Force a fast reset for terminated contexts (ignoring sysfs!) */
if (unlikely(intel_context_is_banned(rq->context) || bad_request(rq)))
return 1;
@@ -2427,8 +2430,24 @@ static void execlists_submission_tasklet(struct tasklet_struct *t)
GEM_BUG_ON(inactive - post > ARRAY_SIZE(post));
if (unlikely(preempt_timeout(engine))) {
+ const struct i915_request *rq = *engine->execlists.active;
+
+ /*
+ * If after the preempt-timeout expired, we are still on the
+ * same active request/context as before we initiated the
+ * preemption, reset the engine.
+ *
+ * However, if we have processed a CS event to switch contexts,
+ * but not yet processed the CS event for the pending
+ * preemption, reset the timer allowing the new context to
+ * gracefully exit.
+ */
cancel_timer(&engine->execlists.preempt);
- engine->execlists.error_interrupt |= ERROR_PREEMPT;
+ if (rq == engine->execlists.preempt_target)
+ engine->execlists.error_interrupt |= ERROR_PREEMPT;
+ else
+ set_timer_ms(&engine->execlists.preempt,
+ active_preempt_timeout(engine, rq));
}
if (unlikely(READ_ONCE(engine->execlists.error_interrupt))) {
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c
index f76b6cf8040e..b8cb58e2819a 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c
@@ -544,8 +544,7 @@ static INTEL_GT_RPS_BOOL_ATTR_RO(throttle_reason_ratl, RATL_MASK);
static INTEL_GT_RPS_BOOL_ATTR_RO(throttle_reason_vr_thermalert, VR_THERMALERT_MASK);
static INTEL_GT_RPS_BOOL_ATTR_RO(throttle_reason_vr_tdc, VR_TDC_MASK);
-static const struct attribute *freq_attrs[] = {
- &dev_attr_punit_req_freq_mhz.attr,
+static const struct attribute *throttle_reason_attrs[] = {
&attr_throttle_reason_status.attr,
&attr_throttle_reason_pl1.attr,
&attr_throttle_reason_pl2.attr,
@@ -594,9 +593,17 @@ void intel_gt_sysfs_pm_init(struct intel_gt *gt, struct kobject *kobj)
if (!is_object_gt(kobj))
return;
- ret = sysfs_create_files(kobj, freq_attrs);
+ ret = sysfs_create_file(kobj, &dev_attr_punit_req_freq_mhz.attr);
if (ret)
drm_warn(>->i915->drm,
- "failed to create gt%u throttle sysfs files (%pe)",
+ "failed to create gt%u punit_req_freq_mhz sysfs (%pe)",
gt->info.id, ERR_PTR(ret));
+
+ if (GRAPHICS_VER(gt->i915) >= 11) {
+ ret = sysfs_create_files(kobj, throttle_reason_attrs);
+ if (ret)
+ drm_warn(>->i915->drm,
+ "failed to create gt%u throttle sysfs files (%pe)",
+ gt->info.id, ERR_PTR(ret));
+ }
}
diff --git a/drivers/input/keyboard/snvs_pwrkey.c b/drivers/input/keyboard/snvs_pwrkey.c
index 65286762b02a..ad8660be0127 100644
--- a/drivers/input/keyboard/snvs_pwrkey.c
+++ b/drivers/input/keyboard/snvs_pwrkey.c
@@ -20,7 +20,7 @@
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
-#define SNVS_HPVIDR1_REG 0xF8
+#define SNVS_HPVIDR1_REG 0xBF8
#define SNVS_LPSR_REG 0x4C /* LP Status Register */
#define SNVS_LPCR_REG 0x38 /* LP Control Register */
#define SNVS_HPSR_REG 0x14
diff --git a/drivers/input/touchscreen/melfas_mip4.c b/drivers/input/touchscreen/melfas_mip4.c
index 2745bf1aee38..83f4be05e27b 100644
--- a/drivers/input/touchscreen/melfas_mip4.c
+++ b/drivers/input/touchscreen/melfas_mip4.c
@@ -1453,7 +1453,7 @@ static int mip4_probe(struct i2c_client *client, const struct i2c_device_id *id)
"ce", GPIOD_OUT_LOW);
if (IS_ERR(ts->gpio_ce)) {
error = PTR_ERR(ts->gpio_ce);
- if (error != EPROBE_DEFER)
+ if (error != -EPROBE_DEFER)
dev_err(&client->dev,
"Failed to get gpio: %d\n", error);
return error;
diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_vb2.c
index a1bd6d9c9223..909df82fed33 100644
--- a/drivers/media/dvb-core/dvb_vb2.c
+++ b/drivers/media/dvb-core/dvb_vb2.c
@@ -354,6 +354,12 @@ int dvb_vb2_reqbufs(struct dvb_vb2_ctx *ctx, struct dmx_requestbuffers *req)
int dvb_vb2_querybuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b)
{
+ struct vb2_queue *q = &ctx->vb_q;
+
+ if (b->index >= q->num_buffers) {
+ dprintk(1, "[%s] buffer index out of range\n", ctx->name);
+ return -EINVAL;
+ }
vb2_core_querybuf(&ctx->vb_q, b->index, b);
dprintk(3, "[%s] index=%d\n", ctx->name, b->index);
return 0;
@@ -378,8 +384,13 @@ int dvb_vb2_expbuf(struct dvb_vb2_ctx *ctx, struct dmx_exportbuffer *exp)
int dvb_vb2_qbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b)
{
+ struct vb2_queue *q = &ctx->vb_q;
int ret;
+ if (b->index >= q->num_buffers) {
+ dprintk(1, "[%s] buffer index out of range\n", ctx->name);
+ return -EINVAL;
+ }
ret = vb2_core_qbuf(&ctx->vb_q, b->index, b, NULL);
if (ret) {
dprintk(1, "[%s] index=%d errno=%d\n", ctx->name,
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c
index 95e8c29ccc65..d2f5f30582a9 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c
@@ -228,7 +228,6 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
{
struct mtk_vcodec_dev *dev;
struct video_device *vfd_enc;
- struct resource *res;
phandle rproc_phandle;
enum mtk_vcodec_fw_type fw_type;
int ret;
@@ -272,14 +271,12 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
goto err_res;
}
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "failed to get irq resource");
- ret = -ENOENT;
+ dev->enc_irq = platform_get_irq(pdev, 0);
+ if (dev->enc_irq < 0) {
+ ret = dev->enc_irq;
goto err_res;
}
- dev->enc_irq = platform_get_irq(pdev, 0);
irq_set_status_flags(dev->enc_irq, IRQ_NOAUTOEN);
ret = devm_request_irq(&pdev->dev, dev->enc_irq,
mtk_vcodec_enc_irq_handler,
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index 0f3d6b5667b0..55c26e7d370e 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -1040,6 +1040,8 @@ int v4l2_compat_get_array_args(struct file *file, void *mbuf,
{
int err = 0;
+ memset(mbuf, 0, array_size);
+
switch (cmd) {
case VIDIOC_G_FMT32:
case VIDIOC_S_FMT32:
diff --git a/drivers/mmc/host/mmc_hsq.c b/drivers/mmc/host/mmc_hsq.c
index a5e05ed0fda3..9d35453e7371 100644
--- a/drivers/mmc/host/mmc_hsq.c
+++ b/drivers/mmc/host/mmc_hsq.c
@@ -34,7 +34,7 @@ static void mmc_hsq_pump_requests(struct mmc_hsq *hsq)
spin_lock_irqsave(&hsq->lock, flags);
/* Make sure we are not already running a request now */
- if (hsq->mrq) {
+ if (hsq->mrq || hsq->recovery_halt) {
spin_unlock_irqrestore(&hsq->lock, flags);
return;
}
diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c
index b6eb75f4bbfc..dfc3ffd5b1f8 100644
--- a/drivers/mmc/host/moxart-mmc.c
+++ b/drivers/mmc/host/moxart-mmc.c
@@ -111,8 +111,8 @@
#define CLK_DIV_MASK 0x7f
/* REG_BUS_WIDTH */
-#define BUS_WIDTH_8 BIT(2)
-#define BUS_WIDTH_4 BIT(1)
+#define BUS_WIDTH_4_SUPPORT BIT(3)
+#define BUS_WIDTH_4 BIT(2)
#define BUS_WIDTH_1 BIT(0)
#define MMC_VDD_360 23
@@ -524,9 +524,6 @@ static void moxart_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
case MMC_BUS_WIDTH_4:
writel(BUS_WIDTH_4, host->base + REG_BUS_WIDTH);
break;
- case MMC_BUS_WIDTH_8:
- writel(BUS_WIDTH_8, host->base + REG_BUS_WIDTH);
- break;
default:
writel(BUS_WIDTH_1, host->base + REG_BUS_WIDTH);
break;
@@ -651,16 +648,8 @@ static int moxart_probe(struct platform_device *pdev)
dmaengine_slave_config(host->dma_chan_rx, &cfg);
}
- switch ((readl(host->base + REG_BUS_WIDTH) >> 3) & 3) {
- case 1:
+ if (readl(host->base + REG_BUS_WIDTH) & BUS_WIDTH_4_SUPPORT)
mmc->caps |= MMC_CAP_4_BIT_DATA;
- break;
- case 2:
- mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA;
- break;
- default:
- break;
- }
writel(0, host->base + REG_INTERRUPT_MASK);
diff --git a/drivers/net/can/c_can/c_can.h b/drivers/net/can/c_can/c_can.h
index bd2f6dc01194..e33d5a967694 100644
--- a/drivers/net/can/c_can/c_can.h
+++ b/drivers/net/can/c_can/c_can.h
@@ -235,9 +235,22 @@ static inline u8 c_can_get_tx_tail(const struct c_can_tx_ring *ring)
return ring->tail & (ring->obj_num - 1);
}
-static inline u8 c_can_get_tx_free(const struct c_can_tx_ring *ring)
+static inline u8 c_can_get_tx_free(const struct c_can_priv *priv,
+ const struct c_can_tx_ring *ring)
{
- return ring->obj_num - (ring->head - ring->tail);
+ u8 head = c_can_get_tx_head(ring);
+ u8 tail = c_can_get_tx_tail(ring);
+
+ if (priv->type == BOSCH_D_CAN)
+ return ring->obj_num - (ring->head - ring->tail);
+
+ /* This is not a FIFO. C/D_CAN sends out the buffers
+ * prioritized. The lowest buffer number wins.
+ */
+ if (head < tail)
+ return 0;
+
+ return ring->obj_num - head;
}
#endif /* C_CAN_H */
diff --git a/drivers/net/can/c_can/c_can_main.c b/drivers/net/can/c_can/c_can_main.c
index a7362af0babb..b42264dd7add 100644
--- a/drivers/net/can/c_can/c_can_main.c
+++ b/drivers/net/can/c_can/c_can_main.c
@@ -429,7 +429,7 @@ static void c_can_setup_receive_object(struct net_device *dev, int iface,
static bool c_can_tx_busy(const struct c_can_priv *priv,
const struct c_can_tx_ring *tx_ring)
{
- if (c_can_get_tx_free(tx_ring) > 0)
+ if (c_can_get_tx_free(priv, tx_ring) > 0)
return false;
netif_stop_queue(priv->dev);
@@ -437,7 +437,7 @@ static bool c_can_tx_busy(const struct c_can_priv *priv,
/* Memory barrier before checking tx_free (head and tail) */
smp_mb();
- if (c_can_get_tx_free(tx_ring) == 0) {
+ if (c_can_get_tx_free(priv, tx_ring) == 0) {
netdev_dbg(priv->dev,
"Stopping tx-queue (tx_head=0x%08x, tx_tail=0x%08x, len=%d).\n",
tx_ring->head, tx_ring->tail,
@@ -465,7 +465,7 @@ static netdev_tx_t c_can_start_xmit(struct sk_buff *skb,
idx = c_can_get_tx_head(tx_ring);
tx_ring->head++;
- if (c_can_get_tx_free(tx_ring) == 0)
+ if (c_can_get_tx_free(priv, tx_ring) == 0)
netif_stop_queue(dev);
if (idx < c_can_get_tx_tail(tx_ring))
@@ -748,7 +748,7 @@ static void c_can_do_tx(struct net_device *dev)
return;
tx_ring->tail += pkts;
- if (c_can_get_tx_free(tx_ring)) {
+ if (c_can_get_tx_free(priv, tx_ring)) {
/* Make sure that anybody stopping the queue after
* this sees the new tx_ring->tail.
*/
@@ -760,8 +760,7 @@ static void c_can_do_tx(struct net_device *dev)
stats->tx_packets += pkts;
tail = c_can_get_tx_tail(tx_ring);
-
- if (tail == 0) {
+ if (priv->type == BOSCH_D_CAN && tail == 0) {
u8 head = c_can_get_tx_head(tx_ring);
/* Start transmission for all cached messages */
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 2b02d823d497..c2d452a75355 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -506,14 +506,19 @@ static bool mt7531_dual_sgmii_supported(struct mt7530_priv *priv)
static int
mt7531_pad_setup(struct dsa_switch *ds, phy_interface_t interface)
{
- struct mt7530_priv *priv = ds->priv;
+ return 0;
+}
+
+static void
+mt7531_pll_setup(struct mt7530_priv *priv)
+{
u32 top_sig;
u32 hwstrap;
u32 xtal;
u32 val;
if (mt7531_dual_sgmii_supported(priv))
- return 0;
+ return;
val = mt7530_read(priv, MT7531_CREV);
top_sig = mt7530_read(priv, MT7531_TOP_SIG_SR);
@@ -592,8 +597,6 @@ mt7531_pad_setup(struct dsa_switch *ds, phy_interface_t interface)
val |= EN_COREPLL;
mt7530_write(priv, MT7531_PLLGP_EN, val);
usleep_range(25, 35);
-
- return 0;
}
static void
@@ -2310,6 +2313,8 @@ mt7531_setup(struct dsa_switch *ds)
SYS_CTRL_PHY_RST | SYS_CTRL_SW_RST |
SYS_CTRL_REG_RST);
+ mt7531_pll_setup(priv);
+
if (mt7531_dual_sgmii_supported(priv)) {
priv->p5_intf_sel = P5_INTF_SEL_GMAC5_SGMII;
@@ -2863,8 +2868,6 @@ mt7531_cpu_port_config(struct dsa_switch *ds, int port)
case 6:
interface = PHY_INTERFACE_MODE_2500BASEX;
- mt7531_pad_setup(ds, interface);
-
priv->p6_interface = interface;
break;
default:
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index d89098f4ede8..e9aa41949a4b 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -5092,6 +5092,7 @@ static int __maybe_unused macb_suspend(struct device *dev)
if (!(bp->wol & MACB_WOL_ENABLED)) {
rtnl_lock();
phylink_stop(bp->phylink);
+ phy_exit(bp->sgmii_phy);
rtnl_unlock();
spin_lock_irqsave(&bp->lock, flags);
macb_reset_hw(bp);
@@ -5181,6 +5182,9 @@ static int __maybe_unused macb_resume(struct device *dev)
macb_set_rx_mode(netdev);
macb_restore_features(bp);
rtnl_lock();
+ if (!device_may_wakeup(&bp->dev->dev))
+ phy_init(bp->sgmii_phy);
+
phylink_start(bp->phylink);
rtnl_unlock();
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
index a7f291c89702..557c591a6ce3 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
@@ -14,6 +14,7 @@
#include "cudbg_entity.h"
#include "cudbg_lib.h"
#include "cudbg_zlib.h"
+#include "cxgb4_tc_mqprio.h"
static const u32 t6_tp_pio_array[][IREG_NUM_ELEM] = {
{0x7e40, 0x7e44, 0x020, 28}, /* t6_tp_pio_regs_20_to_3b */
@@ -3458,7 +3459,7 @@ int cudbg_collect_qdesc(struct cudbg_init *pdbg_init,
for (i = 0; i < utxq->ntxq; i++)
QDESC_GET_TXQ(&utxq->uldtxq[i].q,
cudbg_uld_txq_to_qtype(j),
- out_unlock);
+ out_unlock_uld);
}
}
@@ -3475,7 +3476,7 @@ int cudbg_collect_qdesc(struct cudbg_init *pdbg_init,
for (i = 0; i < urxq->nrxq; i++)
QDESC_GET_RXQ(&urxq->uldrxq[i].rspq,
cudbg_uld_rxq_to_qtype(j),
- out_unlock);
+ out_unlock_uld);
}
/* ULD FLQ */
@@ -3487,7 +3488,7 @@ int cudbg_collect_qdesc(struct cudbg_init *pdbg_init,
for (i = 0; i < urxq->nrxq; i++)
QDESC_GET_FLQ(&urxq->uldrxq[i].fl,
cudbg_uld_flq_to_qtype(j),
- out_unlock);
+ out_unlock_uld);
}
/* ULD CIQ */
@@ -3500,29 +3501,34 @@ int cudbg_collect_qdesc(struct cudbg_init *pdbg_init,
for (i = 0; i < urxq->nciq; i++)
QDESC_GET_RXQ(&urxq->uldrxq[base + i].rspq,
cudbg_uld_ciq_to_qtype(j),
- out_unlock);
+ out_unlock_uld);
}
}
+ mutex_unlock(&uld_mutex);
+
+ if (!padap->tc_mqprio)
+ goto out;
+ mutex_lock(&padap->tc_mqprio->mqprio_mutex);
/* ETHOFLD TXQ */
if (s->eohw_txq)
for (i = 0; i < s->eoqsets; i++)
QDESC_GET_TXQ(&s->eohw_txq[i].q,
- CUDBG_QTYPE_ETHOFLD_TXQ, out);
+ CUDBG_QTYPE_ETHOFLD_TXQ, out_unlock_mqprio);
/* ETHOFLD RXQ and FLQ */
if (s->eohw_rxq) {
for (i = 0; i < s->eoqsets; i++)
QDESC_GET_RXQ(&s->eohw_rxq[i].rspq,
- CUDBG_QTYPE_ETHOFLD_RXQ, out);
+ CUDBG_QTYPE_ETHOFLD_RXQ, out_unlock_mqprio);
for (i = 0; i < s->eoqsets; i++)
QDESC_GET_FLQ(&s->eohw_rxq[i].fl,
- CUDBG_QTYPE_ETHOFLD_FLQ, out);
+ CUDBG_QTYPE_ETHOFLD_FLQ, out_unlock_mqprio);
}
-out_unlock:
- mutex_unlock(&uld_mutex);
+out_unlock_mqprio:
+ mutex_unlock(&padap->tc_mqprio->mqprio_mutex);
out:
qdesc_info->qdesc_entry_size = sizeof(*qdesc_entry);
@@ -3559,6 +3565,10 @@ int cudbg_collect_qdesc(struct cudbg_init *pdbg_init,
#undef QDESC_GET
return rc;
+
+out_unlock_uld:
+ mutex_unlock(&uld_mutex);
+ goto out;
}
int cudbg_collect_flash(struct cudbg_init *pdbg_init,
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index 97453d1dfafe..dd2285d4bef4 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -1467,7 +1467,7 @@ int ice_napi_poll(struct napi_struct *napi, int budget)
bool wd;
if (tx_ring->xsk_pool)
- wd = ice_xmit_zc(tx_ring, ICE_DESC_UNUSED(tx_ring), budget);
+ wd = ice_xmit_zc(tx_ring);
else if (ice_ring_is_xdp(tx_ring))
wd = true;
else
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c
index 03ce85f6e6df..056c904b83cc 100644
--- a/drivers/net/ethernet/intel/ice/ice_xsk.c
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.c
@@ -392,13 +392,6 @@ int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool, u16 qid)
goto failure;
}
- if (!is_power_of_2(vsi->rx_rings[qid]->count) ||
- !is_power_of_2(vsi->tx_rings[qid]->count)) {
- netdev_err(vsi->netdev, "Please align ring sizes to power of 2\n");
- pool_failure = -EINVAL;
- goto failure;
- }
-
if_running = netif_running(vsi->netdev) && ice_is_xdp_ena_vsi(vsi);
if (if_running) {
@@ -534,11 +527,10 @@ static bool __ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count)
bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count)
{
u16 rx_thresh = ICE_RING_QUARTER(rx_ring);
- u16 batched, leftover, i, tail_bumps;
+ u16 leftover, i, tail_bumps;
- batched = ALIGN_DOWN(count, rx_thresh);
- tail_bumps = batched / rx_thresh;
- leftover = count & (rx_thresh - 1);
+ tail_bumps = count / rx_thresh;
+ leftover = count - (tail_bumps * rx_thresh);
for (i = 0; i < tail_bumps; i++)
if (!__ice_alloc_rx_bufs_zc(rx_ring, rx_thresh))
@@ -788,69 +780,57 @@ ice_clean_xdp_tx_buf(struct ice_tx_ring *xdp_ring, struct ice_tx_buf *tx_buf)
}
/**
- * ice_clean_xdp_irq_zc - Reclaim resources after transmit completes on XDP ring
- * @xdp_ring: XDP ring to clean
- * @napi_budget: amount of descriptors that NAPI allows us to clean
- *
- * Returns count of cleaned descriptors
+ * ice_clean_xdp_irq_zc - produce AF_XDP descriptors to CQ
+ * @xdp_ring: XDP Tx ring
*/
-static u16 ice_clean_xdp_irq_zc(struct ice_tx_ring *xdp_ring, int napi_budget)
+static void ice_clean_xdp_irq_zc(struct ice_tx_ring *xdp_ring)
{
- u16 tx_thresh = ICE_RING_QUARTER(xdp_ring);
- int budget = napi_budget / tx_thresh;
- u16 next_dd = xdp_ring->next_dd;
- u16 ntc, cleared_dds = 0;
-
- do {
- struct ice_tx_desc *next_dd_desc;
- u16 desc_cnt = xdp_ring->count;
- struct ice_tx_buf *tx_buf;
- u32 xsk_frames;
- u16 i;
-
- next_dd_desc = ICE_TX_DESC(xdp_ring, next_dd);
- if (!(next_dd_desc->cmd_type_offset_bsz &
- cpu_to_le64(ICE_TX_DESC_DTYPE_DESC_DONE)))
- break;
+ u16 ntc = xdp_ring->next_to_clean;
+ struct ice_tx_desc *tx_desc;
+ u16 cnt = xdp_ring->count;
+ struct ice_tx_buf *tx_buf;
+ u16 xsk_frames = 0;
+ u16 last_rs;
+ int i;
- cleared_dds++;
- xsk_frames = 0;
- if (likely(!xdp_ring->xdp_tx_active)) {
- xsk_frames = tx_thresh;
- goto skip;
- }
+ last_rs = xdp_ring->next_to_use ? xdp_ring->next_to_use - 1 : cnt - 1;
+ tx_desc = ICE_TX_DESC(xdp_ring, last_rs);
+ if ((tx_desc->cmd_type_offset_bsz &
+ cpu_to_le64(ICE_TX_DESC_DTYPE_DESC_DONE))) {
+ if (last_rs >= ntc)
+ xsk_frames = last_rs - ntc + 1;
+ else
+ xsk_frames = last_rs + cnt - ntc + 1;
+ }
- ntc = xdp_ring->next_to_clean;
+ if (!xsk_frames)
+ return;
- for (i = 0; i < tx_thresh; i++) {
- tx_buf = &xdp_ring->tx_buf[ntc];
+ if (likely(!xdp_ring->xdp_tx_active))
+ goto skip;
- if (tx_buf->raw_buf) {
- ice_clean_xdp_tx_buf(xdp_ring, tx_buf);
- tx_buf->raw_buf = NULL;
- } else {
- xsk_frames++;
- }
+ ntc = xdp_ring->next_to_clean;
+ for (i = 0; i < xsk_frames; i++) {
+ tx_buf = &xdp_ring->tx_buf[ntc];
- ntc++;
- if (ntc >= xdp_ring->count)
- ntc = 0;
+ if (tx_buf->raw_buf) {
+ ice_clean_xdp_tx_buf(xdp_ring, tx_buf);
+ tx_buf->raw_buf = NULL;
+ } else {
+ xsk_frames++;
}
+
+ ntc++;
+ if (ntc >= xdp_ring->count)
+ ntc = 0;
+ }
skip:
- xdp_ring->next_to_clean += tx_thresh;
- if (xdp_ring->next_to_clean >= desc_cnt)
- xdp_ring->next_to_clean -= desc_cnt;
- if (xsk_frames)
- xsk_tx_completed(xdp_ring->xsk_pool, xsk_frames);
- next_dd_desc->cmd_type_offset_bsz = 0;
- next_dd = next_dd + tx_thresh;
- if (next_dd >= desc_cnt)
- next_dd = tx_thresh - 1;
- } while (--budget);
-
- xdp_ring->next_dd = next_dd;
-
- return cleared_dds * tx_thresh;
+ tx_desc->cmd_type_offset_bsz = 0;
+ xdp_ring->next_to_clean += xsk_frames;
+ if (xdp_ring->next_to_clean >= cnt)
+ xdp_ring->next_to_clean -= cnt;
+ if (xsk_frames)
+ xsk_tx_completed(xdp_ring->xsk_pool, xsk_frames);
}
/**
@@ -885,7 +865,6 @@ static void ice_xmit_pkt(struct ice_tx_ring *xdp_ring, struct xdp_desc *desc,
static void ice_xmit_pkt_batch(struct ice_tx_ring *xdp_ring, struct xdp_desc *descs,
unsigned int *total_bytes)
{
- u16 tx_thresh = ICE_RING_QUARTER(xdp_ring);
u16 ntu = xdp_ring->next_to_use;
struct ice_tx_desc *tx_desc;
u32 i;
@@ -905,13 +884,6 @@ static void ice_xmit_pkt_batch(struct ice_tx_ring *xdp_ring, struct xdp_desc *de
}
xdp_ring->next_to_use = ntu;
-
- if (xdp_ring->next_to_use > xdp_ring->next_rs) {
- tx_desc = ICE_TX_DESC(xdp_ring, xdp_ring->next_rs);
- tx_desc->cmd_type_offset_bsz |=
- cpu_to_le64(ICE_TX_DESC_CMD_RS << ICE_TXD_QW1_CMD_S);
- xdp_ring->next_rs += tx_thresh;
- }
}
/**
@@ -924,7 +896,6 @@ static void ice_xmit_pkt_batch(struct ice_tx_ring *xdp_ring, struct xdp_desc *de
static void ice_fill_tx_hw_ring(struct ice_tx_ring *xdp_ring, struct xdp_desc *descs,
u32 nb_pkts, unsigned int *total_bytes)
{
- u16 tx_thresh = ICE_RING_QUARTER(xdp_ring);
u32 batched, leftover, i;
batched = ALIGN_DOWN(nb_pkts, PKTS_PER_BATCH);
@@ -933,54 +904,54 @@ static void ice_fill_tx_hw_ring(struct ice_tx_ring *xdp_ring, struct xdp_desc *d
ice_xmit_pkt_batch(xdp_ring, &descs[i], total_bytes);
for (; i < batched + leftover; i++)
ice_xmit_pkt(xdp_ring, &descs[i], total_bytes);
+}
- if (xdp_ring->next_to_use > xdp_ring->next_rs) {
- struct ice_tx_desc *tx_desc;
+/**
+ * ice_set_rs_bit - set RS bit on last produced descriptor (one behind current NTU)
+ * @xdp_ring: XDP ring to produce the HW Tx descriptors on
+ */
+static void ice_set_rs_bit(struct ice_tx_ring *xdp_ring)
+{
+ u16 ntu = xdp_ring->next_to_use ? xdp_ring->next_to_use - 1 : xdp_ring->count - 1;
+ struct ice_tx_desc *tx_desc;
- tx_desc = ICE_TX_DESC(xdp_ring, xdp_ring->next_rs);
- tx_desc->cmd_type_offset_bsz |=
- cpu_to_le64(ICE_TX_DESC_CMD_RS << ICE_TXD_QW1_CMD_S);
- xdp_ring->next_rs += tx_thresh;
- }
+ tx_desc = ICE_TX_DESC(xdp_ring, ntu);
+ tx_desc->cmd_type_offset_bsz |=
+ cpu_to_le64(ICE_TX_DESC_CMD_RS << ICE_TXD_QW1_CMD_S);
}
/**
* ice_xmit_zc - take entries from XSK Tx ring and place them onto HW Tx ring
* @xdp_ring: XDP ring to produce the HW Tx descriptors on
- * @budget: number of free descriptors on HW Tx ring that can be used
- * @napi_budget: amount of descriptors that NAPI allows us to clean
*
* Returns true if there is no more work that needs to be done, false otherwise
*/
-bool ice_xmit_zc(struct ice_tx_ring *xdp_ring, u32 budget, int napi_budget)
+bool ice_xmit_zc(struct ice_tx_ring *xdp_ring)
{
struct xdp_desc *descs = xdp_ring->xsk_pool->tx_descs;
- u16 tx_thresh = ICE_RING_QUARTER(xdp_ring);
u32 nb_pkts, nb_processed = 0;
unsigned int total_bytes = 0;
+ int budget;
+
+ ice_clean_xdp_irq_zc(xdp_ring);
- if (budget < tx_thresh)
- budget += ice_clean_xdp_irq_zc(xdp_ring, napi_budget);
+ budget = ICE_DESC_UNUSED(xdp_ring);
+ budget = min_t(u16, budget, ICE_RING_QUARTER(xdp_ring));
nb_pkts = xsk_tx_peek_release_desc_batch(xdp_ring->xsk_pool, budget);
if (!nb_pkts)
return true;
if (xdp_ring->next_to_use + nb_pkts >= xdp_ring->count) {
- struct ice_tx_desc *tx_desc;
-
nb_processed = xdp_ring->count - xdp_ring->next_to_use;
ice_fill_tx_hw_ring(xdp_ring, descs, nb_processed, &total_bytes);
- tx_desc = ICE_TX_DESC(xdp_ring, xdp_ring->next_rs);
- tx_desc->cmd_type_offset_bsz |=
- cpu_to_le64(ICE_TX_DESC_CMD_RS << ICE_TXD_QW1_CMD_S);
- xdp_ring->next_rs = tx_thresh - 1;
xdp_ring->next_to_use = 0;
}
ice_fill_tx_hw_ring(xdp_ring, &descs[nb_processed], nb_pkts - nb_processed,
&total_bytes);
+ ice_set_rs_bit(xdp_ring);
ice_xdp_ring_update_tail(xdp_ring);
ice_update_tx_ring_stats(xdp_ring, nb_pkts, total_bytes);
@@ -1058,14 +1029,16 @@ bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi)
*/
void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring)
{
- u16 count_mask = rx_ring->count - 1;
u16 ntc = rx_ring->next_to_clean;
u16 ntu = rx_ring->next_to_use;
- for ( ; ntc != ntu; ntc = (ntc + 1) & count_mask) {
+ while (ntc != ntu) {
struct xdp_buff *xdp = *ice_xdp_buf(rx_ring, ntc);
xsk_buff_free(xdp);
+ ntc++;
+ if (ntc >= rx_ring->count)
+ ntc = 0;
}
}
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.h b/drivers/net/ethernet/intel/ice/ice_xsk.h
index 4edbe81eb646..6fa181f080ef 100644
--- a/drivers/net/ethernet/intel/ice/ice_xsk.h
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.h
@@ -26,13 +26,10 @@ bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count);
bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring);
void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring);
-bool ice_xmit_zc(struct ice_tx_ring *xdp_ring, u32 budget, int napi_budget);
+bool ice_xmit_zc(struct ice_tx_ring *xdp_ring);
int ice_realloc_zc_buf(struct ice_vsi *vsi, bool zc);
#else
-static inline bool
-ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring,
- u32 __always_unused budget,
- int __always_unused napi_budget)
+static inline bool ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring)
{
return false;
}
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 98d6a6d047e3..c1fe1a2cb746 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -312,8 +312,8 @@
#define MTK_RXD5_PPE_CPU_REASON GENMASK(22, 18)
#define MTK_RXD5_SRC_PORT GENMASK(29, 26)
-#define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0xf)
-#define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0x7)
+#define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0x7)
+#define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0xf)
/* PDMA V2 descriptor rxd3 */
#define RX_DMA_VTAG_V2 BIT(0)
diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
index 4aeb927c3715..aa780b1614a3 100644
--- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
+++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
@@ -246,8 +246,8 @@ int mlxbf_gige_mdio_probe(struct platform_device *pdev, struct mlxbf_gige *priv)
}
priv->clk_io = devm_ioremap(dev, res->start, resource_size(res));
- if (IS_ERR(priv->clk_io))
- return PTR_ERR(priv->clk_io);
+ if (!priv->clk_io)
+ return -ENOMEM;
mlxbf_gige_mdio_cfg(priv);
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index 68991b021c56..c250ad6dc956 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -290,6 +290,13 @@ static int ocelot_port_num_untagged_vlans(struct ocelot *ocelot, int port)
if (!(vlan->portmask & BIT(port)))
continue;
+ /* Ignore the VLAN added by ocelot_add_vlan_unaware_pvid(),
+ * because this is never active in hardware at the same time as
+ * the bridge VLANs, which only matter in VLAN-aware mode.
+ */
+ if (vlan->vid >= OCELOT_RSV_VLAN_RANGE_START)
+ continue;
+
if (vlan->untagged & BIT(port))
num_untagged++;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 78f11dabca05..8d9272f01e31 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3704,6 +3704,15 @@ static int stmmac_open(struct net_device *dev)
goto init_error;
}
+ if (priv->plat->serdes_powerup) {
+ ret = priv->plat->serdes_powerup(dev, priv->plat->bsp_priv);
+ if (ret < 0) {
+ netdev_err(priv->dev, "%s: Serdes powerup failed\n",
+ __func__);
+ goto init_error;
+ }
+ }
+
ret = stmmac_hw_setup(dev, true);
if (ret < 0) {
netdev_err(priv->dev, "%s: Hw setup failed\n", __func__);
@@ -3793,6 +3802,10 @@ static int stmmac_release(struct net_device *dev)
/* Disable the MAC Rx/Tx */
stmmac_mac_set(priv, priv->ioaddr, false);
+ /* Powerdown Serdes if there is */
+ if (priv->plat->serdes_powerdown)
+ priv->plat->serdes_powerdown(dev, priv->plat->bsp_priv);
+
netif_carrier_off(dev);
stmmac_release_ptp(priv);
@@ -7158,14 +7171,6 @@ int stmmac_dvr_probe(struct device *device,
goto error_netdev_register;
}
- if (priv->plat->serdes_powerup) {
- ret = priv->plat->serdes_powerup(ndev,
- priv->plat->bsp_priv);
-
- if (ret < 0)
- goto error_serdes_powerup;
- }
-
#ifdef CONFIG_DEBUG_FS
stmmac_init_fs(ndev);
#endif
@@ -7180,8 +7185,6 @@ int stmmac_dvr_probe(struct device *device,
return ret;
-error_serdes_powerup:
- unregister_netdev(ndev);
error_netdev_register:
phylink_destroy(priv->phylink);
error_xpcs_setup:
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index f90a21781d8d..adc9d97cbb88 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -316,11 +316,13 @@ static __maybe_unused int mdio_bus_phy_resume(struct device *dev)
phydev->suspended_by_mdio_bus = 0;
- /* If we manged to get here with the PHY state machine in a state neither
- * PHY_HALTED nor PHY_READY this is an indication that something went wrong
- * and we should most likely be using MAC managed PM and we are not.
+ /* If we managed to get here with the PHY state machine in a state
+ * neither PHY_HALTED, PHY_READY nor PHY_UP, this is an indication
+ * that something went wrong and we should most likely be using
+ * MAC managed PM, but we are not.
*/
- WARN_ON(phydev->state != PHY_HALTED && phydev->state != PHY_READY);
+ WARN_ON(phydev->state != PHY_HALTED && phydev->state != PHY_READY &&
+ phydev->state != PHY_UP);
ret = phy_init_hw(phydev);
if (ret < 0)
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 571a399c195d..c1d4fb62f6dd 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1399,6 +1399,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
{QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */
{QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */
+ {QMI_FIXED_INTF(0x413c, 0x81c2, 8)}, /* Dell Wireless 5811e */
{QMI_FIXED_INTF(0x413c, 0x81cc, 8)}, /* Dell Wireless 5816e */
{QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */
{QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 0ed09bb91c44..bccf63aac6cd 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1601,6 +1601,7 @@ void usbnet_disconnect (struct usb_interface *intf)
struct usbnet *dev;
struct usb_device *xdev;
struct net_device *net;
+ struct urb *urb;
dev = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
@@ -1617,7 +1618,11 @@ void usbnet_disconnect (struct usb_interface *intf)
net = dev->net;
unregister_netdev (net);
- usb_scuttle_anchored_urbs(&dev->deferred);
+ while ((urb = usb_get_from_anchor(&dev->deferred))) {
+ dev_kfree_skb(urb->context);
+ kfree(urb->sg);
+ usb_free_urb(urb);
+ }
if (dev->driver_info->unbind)
dev->driver_info->unbind(dev, intf);
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 6d76fc608b74..326ad33537ed 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2069,14 +2069,14 @@ static int nvme_pr_preempt(struct block_device *bdev, u64 old, u64 new,
static int nvme_pr_clear(struct block_device *bdev, u64 key)
{
- u32 cdw10 = 1 | (key ? 1 << 3 : 0);
+ u32 cdw10 = 1 | (key ? 0 : 1 << 3);
- return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_register);
+ return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_release);
}
static int nvme_pr_release(struct block_device *bdev, u64 key, enum pr_type type)
{
- u32 cdw10 = nvme_pr_type(type) << 8 | (key ? 1 << 3 : 0);
+ u32 cdw10 = nvme_pr_type(type) << 8 | (key ? 0 : 1 << 3);
return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_release);
}
diff --git a/drivers/reset/reset-imx7.c b/drivers/reset/reset-imx7.c
index 185a333df66c..d2408725eb2c 100644
--- a/drivers/reset/reset-imx7.c
+++ b/drivers/reset/reset-imx7.c
@@ -329,6 +329,7 @@ static int imx8mp_reset_set(struct reset_controller_dev *rcdev,
break;
case IMX8MP_RESET_PCIE_CTRL_APPS_EN:
+ case IMX8MP_RESET_PCIEPHY_PERST:
value = assert ? 0 : bit;
break;
}
diff --git a/drivers/soc/sunxi/sunxi_sram.c b/drivers/soc/sunxi/sunxi_sram.c
index a8f3876963a0..09754cd1d57d 100644
--- a/drivers/soc/sunxi/sunxi_sram.c
+++ b/drivers/soc/sunxi/sunxi_sram.c
@@ -78,8 +78,8 @@ static struct sunxi_sram_desc sun4i_a10_sram_d = {
static struct sunxi_sram_desc sun50i_a64_sram_c = {
.data = SUNXI_SRAM_DATA("C", 0x4, 24, 1,
- SUNXI_SRAM_MAP(0, 1, "cpu"),
- SUNXI_SRAM_MAP(1, 0, "de2")),
+ SUNXI_SRAM_MAP(1, 0, "cpu"),
+ SUNXI_SRAM_MAP(0, 1, "de2")),
};
static const struct of_device_id sunxi_sram_dt_ids[] = {
@@ -254,6 +254,7 @@ int sunxi_sram_claim(struct device *dev)
writel(val | ((device << sram_data->offset) & mask),
base + sram_data->reg);
+ sram_desc->claimed = true;
spin_unlock(&sram_lock);
return 0;
@@ -329,11 +330,11 @@ static struct regmap_config sunxi_sram_emac_clock_regmap = {
.writeable_reg = sunxi_sram_regmap_accessible_reg,
};
-static int sunxi_sram_probe(struct platform_device *pdev)
+static int __init sunxi_sram_probe(struct platform_device *pdev)
{
- struct dentry *d;
struct regmap *emac_clock;
const struct sunxi_sramc_variant *variant;
+ struct device *dev = &pdev->dev;
sram_dev = &pdev->dev;
@@ -345,13 +346,6 @@ static int sunxi_sram_probe(struct platform_device *pdev)
if (IS_ERR(base))
return PTR_ERR(base);
- of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
-
- d = debugfs_create_file("sram", S_IRUGO, NULL, NULL,
- &sunxi_sram_fops);
- if (!d)
- return -ENOMEM;
-
if (variant->num_emac_clocks > 0) {
emac_clock = devm_regmap_init_mmio(&pdev->dev, base,
&sunxi_sram_emac_clock_regmap);
@@ -360,6 +354,10 @@ static int sunxi_sram_probe(struct platform_device *pdev)
return PTR_ERR(emac_clock);
}
+ of_platform_populate(dev->of_node, NULL, NULL, dev);
+
+ debugfs_create_file("sram", 0444, NULL, NULL, &sunxi_sram_fops);
+
return 0;
}
@@ -409,9 +407,8 @@ static struct platform_driver sunxi_sram_driver = {
.name = "sunxi-sram",
.of_match_table = sunxi_sram_dt_match,
},
- .probe = sunxi_sram_probe,
};
-module_platform_driver(sunxi_sram_driver);
+builtin_platform_driver_probe(sunxi_sram_driver, sunxi_sram_probe);
MODULE_AUTHOR("Maxime Ripard <maxime.ripard@...e-electrons.com>");
MODULE_DESCRIPTION("Allwinner sunXi SRAM Controller Driver");
diff --git a/drivers/staging/media/rkvdec/rkvdec-h264.c b/drivers/staging/media/rkvdec/rkvdec-h264.c
index 2992fb87cf72..55596ce6bb6e 100644
--- a/drivers/staging/media/rkvdec/rkvdec-h264.c
+++ b/drivers/staging/media/rkvdec/rkvdec-h264.c
@@ -1175,8 +1175,8 @@ static int rkvdec_h264_run(struct rkvdec_ctx *ctx)
schedule_delayed_work(&rkvdec->watchdog_work, msecs_to_jiffies(2000));
- writel(0xffffffff, rkvdec->regs + RKVDEC_REG_STRMD_ERR_EN);
- writel(0xffffffff, rkvdec->regs + RKVDEC_REG_H264_ERR_E);
+ writel(0, rkvdec->regs + RKVDEC_REG_STRMD_ERR_EN);
+ writel(0, rkvdec->regs + RKVDEC_REG_H264_ERR_E);
writel(1, rkvdec->regs + RKVDEC_REG_PREF_LUMA_CACHE_COMMAND);
writel(1, rkvdec->regs + RKVDEC_REG_PREF_CHR_CACHE_COMMAND);
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 64f0aec7e70a..0508da6f63d9 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -2413,6 +2413,7 @@ int tb_switch_configure(struct tb_switch *sw)
* additional capabilities.
*/
sw->config.cmuv = USB4_VERSION_1_0;
+ sw->config.plug_events_delay = 0xa;
/* Enumerate the switch */
ret = tb_sw_write(sw, (u32 *)&sw->config + 1, TB_CFG_SWITCH,
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 23ab3b048d9b..251778d14e2d 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -52,6 +52,13 @@ UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_REPORT_OPCODES | US_FL_NO_SAME),
+/* Reported-by: Hongling Zeng <zenghongling@...inos.cn> */
+UNUSUAL_DEV(0x090c, 0x2000, 0x0000, 0x9999,
+ "Hiksemi",
+ "External HDD",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_IGNORE_UAS),
+
/*
* Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI
* commands in UAS mode. Observed with the 1.28 firmware; are there others?
@@ -76,6 +83,13 @@ UNUSUAL_DEV(0x0bc2, 0x331a, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_REPORT_LUNS),
+/* Reported-by: Hongling Zeng <zenghongling@...inos.cn> */
+UNUSUAL_DEV(0x0bda, 0x9210, 0x0000, 0x9999,
+ "Hiksemi",
+ "External HDD",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_IGNORE_UAS),
+
/* Reported-by: Benjamin Tissoires <benjamin.tissoires@...hat.com> */
UNUSUAL_DEV(0x13fd, 0x3940, 0x0000, 0x9999,
"Initio Corporation",
@@ -118,6 +132,13 @@ UNUSUAL_DEV(0x154b, 0xf00d, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_ATA_1X),
+/* Reported-by: Hongling Zeng <zenghongling@...inos.cn> */
+UNUSUAL_DEV(0x17ef, 0x3899, 0x0000, 0x9999,
+ "Thinkplus",
+ "External HDD",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_IGNORE_UAS),
+
/* Reported-by: Hans de Goede <hdegoede@...hat.com> */
UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
"VIA",
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 7f2624f42724..6364f0d467ea 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -588,8 +588,6 @@ static int ucsi_get_pdos(struct ucsi_connector *con, int is_partner,
num_pdos * sizeof(u32));
if (ret < 0 && ret != -ETIMEDOUT)
dev_err(ucsi->dev, "UCSI_GET_PDOS failed (%d)\n", ret);
- if (ret == 0 && offset == 0)
- dev_warn(ucsi->dev, "UCSI_GET_PDOS returned 0 bytes\n");
return ret;
}
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c
index 48c4dadb0c7c..a4c1b985f79a 100644
--- a/drivers/vdpa/ifcvf/ifcvf_base.c
+++ b/drivers/vdpa/ifcvf/ifcvf_base.c
@@ -315,7 +315,7 @@ u16 ifcvf_get_vq_state(struct ifcvf_hw *hw, u16 qid)
u32 q_pair_id;
ifcvf_lm = (struct ifcvf_lm_cfg __iomem *)hw->lm_cfg;
- q_pair_id = qid / hw->nr_vring;
+ q_pair_id = qid / 2;
avail_idx_addr = &ifcvf_lm->vring_lm_cfg[q_pair_id].idx_addr[qid % 2];
last_avail_idx = vp_ioread16(avail_idx_addr);
@@ -329,7 +329,7 @@ int ifcvf_set_vq_state(struct ifcvf_hw *hw, u16 qid, u16 num)
u32 q_pair_id;
ifcvf_lm = (struct ifcvf_lm_cfg __iomem *)hw->lm_cfg;
- q_pair_id = qid / hw->nr_vring;
+ q_pair_id = qid / 2;
avail_idx_addr = &ifcvf_lm->vring_lm_cfg[q_pair_id].idx_addr[qid % 2];
hw->vring[qid].last_avail_idx = num;
vp_iowrite16(num, avail_idx_addr);
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index e85c1d71f4ed..f527cbeb1169 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -1297,6 +1297,8 @@ static void teardown_vq(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *
static int create_rqt(struct mlx5_vdpa_net *ndev)
{
+ int rqt_table_size = roundup_pow_of_two(ndev->rqt_size);
+ int act_sz = roundup_pow_of_two(ndev->cur_num_vqs / 2);
__be32 *list;
void *rqtc;
int inlen;
@@ -1304,7 +1306,7 @@ static int create_rqt(struct mlx5_vdpa_net *ndev)
int i, j;
int err;
- inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + ndev->rqt_size * MLX5_ST_SZ_BYTES(rq_num);
+ inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + rqt_table_size * MLX5_ST_SZ_BYTES(rq_num);
in = kzalloc(inlen, GFP_KERNEL);
if (!in)
return -ENOMEM;
@@ -1313,12 +1315,12 @@ static int create_rqt(struct mlx5_vdpa_net *ndev)
rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
MLX5_SET(rqtc, rqtc, list_q_type, MLX5_RQTC_LIST_Q_TYPE_VIRTIO_NET_Q);
- MLX5_SET(rqtc, rqtc, rqt_max_size, ndev->rqt_size);
+ MLX5_SET(rqtc, rqtc, rqt_max_size, rqt_table_size);
list = MLX5_ADDR_OF(rqtc, rqtc, rq_num[0]);
- for (i = 0, j = 0; i < ndev->rqt_size; i++, j += 2)
+ for (i = 0, j = 0; i < act_sz; i++, j += 2)
list[i] = cpu_to_be32(ndev->vqs[j % ndev->cur_num_vqs].virtq_id);
- MLX5_SET(rqtc, rqtc, rqt_actual_size, ndev->rqt_size);
+ MLX5_SET(rqtc, rqtc, rqt_actual_size, act_sz);
err = mlx5_vdpa_create_rqt(&ndev->mvdev, in, inlen, &ndev->res.rqtn);
kfree(in);
if (err)
@@ -1331,6 +1333,7 @@ static int create_rqt(struct mlx5_vdpa_net *ndev)
static int modify_rqt(struct mlx5_vdpa_net *ndev, int num)
{
+ int act_sz = roundup_pow_of_two(num / 2);
__be32 *list;
void *rqtc;
int inlen;
@@ -1338,7 +1341,7 @@ static int modify_rqt(struct mlx5_vdpa_net *ndev, int num)
int i, j;
int err;
- inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) + ndev->rqt_size * MLX5_ST_SZ_BYTES(rq_num);
+ inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) + act_sz * MLX5_ST_SZ_BYTES(rq_num);
in = kzalloc(inlen, GFP_KERNEL);
if (!in)
return -ENOMEM;
@@ -1349,10 +1352,10 @@ static int modify_rqt(struct mlx5_vdpa_net *ndev, int num)
MLX5_SET(rqtc, rqtc, list_q_type, MLX5_RQTC_LIST_Q_TYPE_VIRTIO_NET_Q);
list = MLX5_ADDR_OF(rqtc, rqtc, rq_num[0]);
- for (i = 0, j = 0; i < ndev->rqt_size; i++, j += 2)
+ for (i = 0, j = 0; i < act_sz; i++, j = j + 2)
list[i] = cpu_to_be32(ndev->vqs[j % num].virtq_id);
- MLX5_SET(rqtc, rqtc, rqt_actual_size, ndev->rqt_size);
+ MLX5_SET(rqtc, rqtc, rqt_actual_size, act_sz);
err = mlx5_vdpa_modify_rqt(&ndev->mvdev, in, inlen, ndev->res.rqtn);
kfree(in);
if (err)
diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index 3bc27de58f46..8e0efae6cc8a 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -662,10 +662,15 @@ static void vduse_vdpa_get_config(struct vdpa_device *vdpa, unsigned int offset,
{
struct vduse_dev *dev = vdpa_to_vduse(vdpa);
- if (offset > dev->config_size ||
- len > dev->config_size - offset)
+ /* Initialize the buffer in case of partial copy. */
+ memset(buf, 0, len);
+
+ if (offset > dev->config_size)
return;
+ if (len > dev->config_size - offset)
+ len = dev->config_size - offset;
+
memcpy(buf, dev->config + offset, len);
}
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 5ae8de09b271..001f4e053c85 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -2092,7 +2092,8 @@ static bool load_system_files(ntfs_volume *vol)
// TODO: Initialize security.
/* Get the extended system files' directory inode. */
vol->extend_ino = ntfs_iget(sb, FILE_Extend);
- if (IS_ERR(vol->extend_ino) || is_bad_inode(vol->extend_ino)) {
+ if (IS_ERR(vol->extend_ino) || is_bad_inode(vol->extend_ino) ||
+ !S_ISDIR(vol->extend_ino->i_mode)) {
if (!IS_ERR(vol->extend_ino))
iput(vol->extend_ino);
ntfs_error(sb, "Failed to load $Extend.");
diff --git a/mm/damon/dbgfs.c b/mm/damon/dbgfs.c
index 53ba8b1e619c..89075fa4e8a9 100644
--- a/mm/damon/dbgfs.c
+++ b/mm/damon/dbgfs.c
@@ -853,6 +853,7 @@ static int dbgfs_rm_context(char *name)
struct dentry *root, *dir, **new_dirs;
struct damon_ctx **new_ctxs;
int i, j;
+ int ret = 0;
if (damon_nr_running_ctxs())
return -EBUSY;
@@ -867,14 +868,16 @@ static int dbgfs_rm_context(char *name)
new_dirs = kmalloc_array(dbgfs_nr_ctxs - 1, sizeof(*dbgfs_dirs),
GFP_KERNEL);
- if (!new_dirs)
- return -ENOMEM;
+ if (!new_dirs) {
+ ret = -ENOMEM;
+ goto out_dput;
+ }
new_ctxs = kmalloc_array(dbgfs_nr_ctxs - 1, sizeof(*dbgfs_ctxs),
GFP_KERNEL);
if (!new_ctxs) {
- kfree(new_dirs);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto out_new_dirs;
}
for (i = 0, j = 0; i < dbgfs_nr_ctxs; i++) {
@@ -894,7 +897,13 @@ static int dbgfs_rm_context(char *name)
dbgfs_ctxs = new_ctxs;
dbgfs_nr_ctxs--;
- return 0;
+ goto out_dput;
+
+out_new_dirs:
+ kfree(new_dirs);
+out_dput:
+ dput(dir);
+ return ret;
}
static ssize_t dbgfs_rm_context_write(struct file *file,
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 09f9e8ca3d1f..5b5ee3308d71 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -2181,13 +2181,13 @@ static int damon_sysfs_add_target(struct damon_sysfs_target *sys_target,
if (!t)
return -ENOMEM;
+ damon_add_target(ctx, t);
if (ctx->ops.id == DAMON_OPS_VADDR ||
ctx->ops.id == DAMON_OPS_FVADDR) {
t->pid = find_get_pid(sys_target->pid);
if (!t->pid)
goto destroy_targets_out;
}
- damon_add_target(ctx, t);
err = damon_sysfs_set_regions(t, sys_target->regions);
if (err)
goto destroy_targets_out;
diff --git a/mm/frontswap.c b/mm/frontswap.c
index 6f69b044a8cc..42262cb6a864 100644
--- a/mm/frontswap.c
+++ b/mm/frontswap.c
@@ -125,6 +125,9 @@ void frontswap_init(unsigned type, unsigned long *map)
* p->frontswap set to something valid to work properly.
*/
frontswap_map_set(sis, map);
+
+ if (!frontswap_enabled())
+ return;
frontswap_ops->init(type);
}
diff --git a/mm/gup.c b/mm/gup.c
index 38effce68b48..0d500cdfa6e0 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -2278,8 +2278,28 @@ static void __maybe_unused undo_dev_pagemap(int *nr, int nr_start,
}
#ifdef CONFIG_ARCH_HAS_PTE_SPECIAL
-static int gup_pte_range(pmd_t pmd, unsigned long addr, unsigned long end,
- unsigned int flags, struct page **pages, int *nr)
+/*
+ * Fast-gup relies on pte change detection to avoid concurrent pgtable
+ * operations.
+ *
+ * To pin the page, fast-gup needs to do below in order:
+ * (1) pin the page (by prefetching pte), then (2) check pte not changed.
+ *
+ * For the rest of pgtable operations where pgtable updates can be racy
+ * with fast-gup, we need to do (1) clear pte, then (2) check whether page
+ * is pinned.
+ *
+ * Above will work for all pte-level operations, including THP split.
+ *
+ * For THP collapse, it's a bit more complicated because fast-gup may be
+ * walking a pgtable page that is being freed (pte is still valid but pmd
+ * can be cleared already). To avoid race in such condition, we need to
+ * also check pmd here to make sure pmd doesn't change (corresponds to
+ * pmdp_collapse_flush() in the THP collapse code path).
+ */
+static int gup_pte_range(pmd_t pmd, pmd_t *pmdp, unsigned long addr,
+ unsigned long end, unsigned int flags,
+ struct page **pages, int *nr)
{
struct dev_pagemap *pgmap = NULL;
int nr_start = *nr, ret = 0;
@@ -2325,7 +2345,8 @@ static int gup_pte_range(pmd_t pmd, unsigned long addr, unsigned long end,
goto pte_unmap;
}
- if (unlikely(pte_val(pte) != pte_val(*ptep))) {
+ if (unlikely(pmd_val(pmd) != pmd_val(*pmdp)) ||
+ unlikely(pte_val(pte) != pte_val(*ptep))) {
gup_put_folio(folio, 1, flags);
goto pte_unmap;
}
@@ -2372,8 +2393,9 @@ static int gup_pte_range(pmd_t pmd, unsigned long addr, unsigned long end,
* get_user_pages_fast_only implementation that can pin pages. Thus it's still
* useful to have gup_huge_pmd even if we can't operate on ptes.
*/
-static int gup_pte_range(pmd_t pmd, unsigned long addr, unsigned long end,
- unsigned int flags, struct page **pages, int *nr)
+static int gup_pte_range(pmd_t pmd, pmd_t *pmdp, unsigned long addr,
+ unsigned long end, unsigned int flags,
+ struct page **pages, int *nr)
{
return 0;
}
@@ -2697,7 +2719,7 @@ static int gup_pmd_range(pud_t *pudp, pud_t pud, unsigned long addr, unsigned lo
if (!gup_huge_pd(__hugepd(pmd_val(pmd)), addr,
PMD_SHIFT, next, flags, pages, nr))
return 0;
- } else if (!gup_pte_range(pmd, addr, next, flags, pages, nr))
+ } else if (!gup_pte_range(pmd, pmdp, addr, next, flags, pages, nr))
return 0;
} while (pmdp++, addr = next, addr != end);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 299dcfaa35b2..b508efbdcdbe 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3418,6 +3418,7 @@ static int demote_free_huge_page(struct hstate *h, struct page *page)
{
int i, nid = page_to_nid(page);
struct hstate *target_hstate;
+ struct page *subpage;
int rc = 0;
target_hstate = size_to_hstate(PAGE_SIZE << h->demote_order);
@@ -3451,15 +3452,16 @@ static int demote_free_huge_page(struct hstate *h, struct page *page)
mutex_lock(&target_hstate->resize_lock);
for (i = 0; i < pages_per_huge_page(h);
i += pages_per_huge_page(target_hstate)) {
+ subpage = nth_page(page, i);
if (hstate_is_gigantic(target_hstate))
- prep_compound_gigantic_page_for_demote(page + i,
+ prep_compound_gigantic_page_for_demote(subpage,
target_hstate->order);
else
- prep_compound_page(page + i, target_hstate->order);
- set_page_private(page + i, 0);
- set_page_refcounted(page + i);
- prep_new_huge_page(target_hstate, page + i, nid);
- put_page(page + i);
+ prep_compound_page(subpage, target_hstate->order);
+ set_page_private(subpage, 0);
+ set_page_refcounted(subpage);
+ prep_new_huge_page(target_hstate, subpage, nid);
+ put_page(subpage);
}
mutex_unlock(&target_hstate->resize_lock);
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 16be62d493cd..6c16db25ff8e 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1121,10 +1121,12 @@ static void collapse_huge_page(struct mm_struct *mm,
pmd_ptl = pmd_lock(mm, pmd); /* probably unnecessary */
/*
- * After this gup_fast can't run anymore. This also removes
- * any huge TLB entry from the CPU so we won't allow
- * huge and small TLB entries for the same virtual address
- * to avoid the risk of CPU bugs in that area.
+ * This removes any huge TLB entry from the CPU so we won't allow
+ * huge and small TLB entries for the same virtual address to
+ * avoid the risk of CPU bugs in that area.
+ *
+ * Parallel fast GUP is fine since fast GUP will back off when
+ * it detects PMD is changed.
*/
_pmd = pmdp_collapse_flush(vma, address, pmd);
spin_unlock(pmd_ptl);
diff --git a/mm/madvise.c b/mm/madvise.c
index 0316bbc6441b..bb4a714fea5e 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -451,8 +451,11 @@ static int madvise_cold_or_pageout_pte_range(pmd_t *pmd,
continue;
}
- /* Do not interfere with other mappings of this page */
- if (page_mapcount(page) != 1)
+ /*
+ * Do not interfere with other mappings of this page and
+ * non-LRU page.
+ */
+ if (!PageLRU(page) || page_mapcount(page) != 1)
continue;
VM_BUG_ON_PAGE(PageTransCompound(page), page);
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 845369f839e1..828801eab6ac 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -697,6 +697,9 @@ static int kill_accessing_process(struct task_struct *p, unsigned long pfn,
};
priv.tk.tsk = p;
+ if (!p->mm)
+ return -EFAULT;
+
mmap_read_lock(p->mm);
ret = walk_page_range(p->mm, 0, TASK_SIZE, &hwp_walk_ops,
(void *)&priv);
diff --git a/mm/memory.c b/mm/memory.c
index 1c6027adc542..e644f6fad389 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4378,14 +4378,20 @@ vm_fault_t finish_fault(struct vm_fault *vmf)
vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd,
vmf->address, &vmf->ptl);
- ret = 0;
+
/* Re-check under ptl */
- if (likely(!vmf_pte_changed(vmf)))
+ if (likely(!vmf_pte_changed(vmf))) {
do_set_pte(vmf, page, vmf->address);
- else
+
+ /* no need to invalidate: a not-present page won't be cached */
+ update_mmu_cache(vma, vmf->address, vmf->pte);
+
+ ret = 0;
+ } else {
+ update_mmu_tlb(vma, vmf->address, vmf->pte);
ret = VM_FAULT_NOPAGE;
+ }
- update_mmu_tlb(vma, vmf->address, vmf->pte);
pte_unmap_unlock(vmf->pte, vmf->ptl);
return ret;
}
diff --git a/mm/migrate_device.c b/mm/migrate_device.c
index 5052093d0262..0370f23c3b01 100644
--- a/mm/migrate_device.c
+++ b/mm/migrate_device.c
@@ -7,6 +7,7 @@
#include <linux/export.h>
#include <linux/memremap.h>
#include <linux/migrate.h>
+#include <linux/mm.h>
#include <linux/mm_inline.h>
#include <linux/mmu_notifier.h>
#include <linux/oom.h>
@@ -187,10 +188,10 @@ static int migrate_vma_collect_pmd(pmd_t *pmdp,
bool anon_exclusive;
pte_t swp_pte;
+ flush_cache_page(vma, addr, pte_pfn(*ptep));
anon_exclusive = PageAnon(page) && PageAnonExclusive(page);
if (anon_exclusive) {
- flush_cache_page(vma, addr, pte_pfn(*ptep));
- ptep_clear_flush(vma, addr, ptep);
+ pte = ptep_clear_flush(vma, addr, ptep);
if (page_try_share_anon_rmap(page)) {
set_pte_at(mm, addr, ptep, pte);
@@ -200,11 +201,15 @@ static int migrate_vma_collect_pmd(pmd_t *pmdp,
goto next;
}
} else {
- ptep_get_and_clear(mm, addr, ptep);
+ pte = ptep_get_and_clear(mm, addr, ptep);
}
migrate->cpages++;
+ /* Set the dirty flag on the folio now the pte is gone. */
+ if (pte_dirty(pte))
+ folio_mark_dirty(page_folio(page));
+
/* Setup special migration page table entry */
if (mpfn & MIGRATE_PFN_WRITE)
entry = make_writable_migration_entry(
@@ -248,13 +253,14 @@ static int migrate_vma_collect_pmd(pmd_t *pmdp,
migrate->dst[migrate->npages] = 0;
migrate->src[migrate->npages++] = mpfn;
}
- arch_leave_lazy_mmu_mode();
- pte_unmap_unlock(ptep - 1, ptl);
/* Only flush the TLB if we actually modified any entries */
if (unmapped)
flush_tlb_range(walk->vma, start, end);
+ arch_leave_lazy_mmu_mode();
+ pte_unmap_unlock(ptep - 1, ptl);
+
return 0;
}
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index cdf0e7d707c3..a88d06dac743 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4623,6 +4623,30 @@ void fs_reclaim_release(gfp_t gfp_mask)
EXPORT_SYMBOL_GPL(fs_reclaim_release);
#endif
+/*
+ * Zonelists may change due to hotplug during allocation. Detect when zonelists
+ * have been rebuilt so allocation retries. Reader side does not lock and
+ * retries the allocation if zonelist changes. Writer side is protected by the
+ * embedded spin_lock.
+ */
+static DEFINE_SEQLOCK(zonelist_update_seq);
+
+static unsigned int zonelist_iter_begin(void)
+{
+ if (IS_ENABLED(CONFIG_MEMORY_HOTREMOVE))
+ return read_seqbegin(&zonelist_update_seq);
+
+ return 0;
+}
+
+static unsigned int check_retry_zonelist(unsigned int seq)
+{
+ if (IS_ENABLED(CONFIG_MEMORY_HOTREMOVE))
+ return read_seqretry(&zonelist_update_seq, seq);
+
+ return seq;
+}
+
/* Perform direct synchronous page reclaim */
static unsigned long
__perform_reclaim(gfp_t gfp_mask, unsigned int order,
@@ -4916,6 +4940,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
int compaction_retries;
int no_progress_loops;
unsigned int cpuset_mems_cookie;
+ unsigned int zonelist_iter_cookie;
int reserve_flags;
/*
@@ -4926,11 +4951,12 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
(__GFP_ATOMIC|__GFP_DIRECT_RECLAIM)))
gfp_mask &= ~__GFP_ATOMIC;
-retry_cpuset:
+restart:
compaction_retries = 0;
no_progress_loops = 0;
compact_priority = DEF_COMPACT_PRIORITY;
cpuset_mems_cookie = read_mems_allowed_begin();
+ zonelist_iter_cookie = zonelist_iter_begin();
/*
* The fast path uses conservative alloc_flags to succeed only until
@@ -5102,9 +5128,13 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
goto retry;
- /* Deal with possible cpuset update races before we start OOM killing */
- if (check_retry_cpuset(cpuset_mems_cookie, ac))
- goto retry_cpuset;
+ /*
+ * Deal with possible cpuset update races or zonelist updates to avoid
+ * a unnecessary OOM kill.
+ */
+ if (check_retry_cpuset(cpuset_mems_cookie, ac) ||
+ check_retry_zonelist(zonelist_iter_cookie))
+ goto restart;
/* Reclaim has failed us, start killing things */
page = __alloc_pages_may_oom(gfp_mask, order, ac, &did_some_progress);
@@ -5124,9 +5154,13 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
}
nopage:
- /* Deal with possible cpuset update races before we fail */
- if (check_retry_cpuset(cpuset_mems_cookie, ac))
- goto retry_cpuset;
+ /*
+ * Deal with possible cpuset update races or zonelist updates to avoid
+ * a unnecessary OOM kill.
+ */
+ if (check_retry_cpuset(cpuset_mems_cookie, ac) ||
+ check_retry_zonelist(zonelist_iter_cookie))
+ goto restart;
/*
* Make sure that __GFP_NOFAIL request doesn't leak out and make sure
@@ -5617,6 +5651,18 @@ void *page_frag_alloc_align(struct page_frag_cache *nc,
/* reset page count bias and offset to start of new frag */
nc->pagecnt_bias = PAGE_FRAG_CACHE_MAX_SIZE + 1;
offset = size - fragsz;
+ if (unlikely(offset < 0)) {
+ /*
+ * The caller is trying to allocate a fragment
+ * with fragsz > PAGE_SIZE but the cache isn't big
+ * enough to satisfy the request, this may
+ * happen in low memory conditions.
+ * We don't release the cache page because
+ * it could make memory pressure worse
+ * so we simply return NULL here.
+ */
+ return NULL;
+ }
}
nc->pagecnt_bias--;
@@ -6421,9 +6467,8 @@ static void __build_all_zonelists(void *data)
int nid;
int __maybe_unused cpu;
pg_data_t *self = data;
- static DEFINE_SPINLOCK(lock);
- spin_lock(&lock);
+ write_seqlock(&zonelist_update_seq);
#ifdef CONFIG_NUMA
memset(node_load, 0, sizeof(node_load));
@@ -6460,7 +6505,7 @@ static void __build_all_zonelists(void *data)
#endif
}
- spin_unlock(&lock);
+ write_sequnlock(&zonelist_update_seq);
}
static noinline void __init
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index 9d73dc38e3d7..eb3a68ca92ad 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -288,6 +288,7 @@ __first_valid_page(unsigned long pfn, unsigned long nr_pages)
* @isolate_before: isolate the pageblock before the boundary_pfn
* @skip_isolation: the flag to skip the pageblock isolation in second
* isolate_single_pageblock()
+ * @migratetype: migrate type to set in error recovery.
*
* Free and in-use pages can be as big as MAX_ORDER-1 and contain more than one
* pageblock. When not all pageblocks within a page are isolated at the same
@@ -302,9 +303,9 @@ __first_valid_page(unsigned long pfn, unsigned long nr_pages)
* the in-use page then splitting the free page.
*/
static int isolate_single_pageblock(unsigned long boundary_pfn, int flags,
- gfp_t gfp_flags, bool isolate_before, bool skip_isolation)
+ gfp_t gfp_flags, bool isolate_before, bool skip_isolation,
+ int migratetype)
{
- unsigned char saved_mt;
unsigned long start_pfn;
unsigned long isolate_pageblock;
unsigned long pfn;
@@ -328,13 +329,13 @@ static int isolate_single_pageblock(unsigned long boundary_pfn, int flags,
start_pfn = max(ALIGN_DOWN(isolate_pageblock, MAX_ORDER_NR_PAGES),
zone->zone_start_pfn);
- saved_mt = get_pageblock_migratetype(pfn_to_page(isolate_pageblock));
+ if (skip_isolation) {
+ int mt = get_pageblock_migratetype(pfn_to_page(isolate_pageblock));
- if (skip_isolation)
- VM_BUG_ON(!is_migrate_isolate(saved_mt));
- else {
- ret = set_migratetype_isolate(pfn_to_page(isolate_pageblock), saved_mt, flags,
- isolate_pageblock, isolate_pageblock + pageblock_nr_pages);
+ VM_BUG_ON(!is_migrate_isolate(mt));
+ } else {
+ ret = set_migratetype_isolate(pfn_to_page(isolate_pageblock), migratetype,
+ flags, isolate_pageblock, isolate_pageblock + pageblock_nr_pages);
if (ret)
return ret;
@@ -475,7 +476,7 @@ static int isolate_single_pageblock(unsigned long boundary_pfn, int flags,
failed:
/* restore the original migratetype */
if (!skip_isolation)
- unset_migratetype_isolate(pfn_to_page(isolate_pageblock), saved_mt);
+ unset_migratetype_isolate(pfn_to_page(isolate_pageblock), migratetype);
return -EBUSY;
}
@@ -537,7 +538,8 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
bool skip_isolation = false;
/* isolate [isolate_start, isolate_start + pageblock_nr_pages) pageblock */
- ret = isolate_single_pageblock(isolate_start, flags, gfp_flags, false, skip_isolation);
+ ret = isolate_single_pageblock(isolate_start, flags, gfp_flags, false,
+ skip_isolation, migratetype);
if (ret)
return ret;
@@ -545,7 +547,8 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
skip_isolation = true;
/* isolate [isolate_end - pageblock_nr_pages, isolate_end) pageblock */
- ret = isolate_single_pageblock(isolate_end, flags, gfp_flags, true, skip_isolation);
+ ret = isolate_single_pageblock(isolate_end, flags, gfp_flags, true,
+ skip_isolation, migratetype);
if (ret) {
unset_migratetype_isolate(pfn_to_page(isolate_start), migratetype);
return ret;
diff --git a/mm/secretmem.c b/mm/secretmem.c
index f06279d6190a..53f3badce7e4 100644
--- a/mm/secretmem.c
+++ b/mm/secretmem.c
@@ -283,7 +283,7 @@ static int secretmem_init(void)
secretmem_mnt = kern_mount(&secretmem_fs);
if (IS_ERR(secretmem_mnt))
- ret = PTR_ERR(secretmem_mnt);
+ return PTR_ERR(secretmem_mnt);
/* prevent secretmem mappings from ever getting PROT_EXEC */
secretmem_mnt->mnt_flags |= MNT_NOEXEC;
diff --git a/mm/util.c b/mm/util.c
index 0837570c9225..95d8472747f9 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -619,6 +619,10 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node)
if (ret || size <= PAGE_SIZE)
return ret;
+ /* non-sleeping allocations are not supported by vmalloc */
+ if (!gfpflags_allow_blocking(flags))
+ return NULL;
+
/* Don't even allow crazy sizes */
if (unlikely(size > INT_MAX)) {
WARN_ON_ONCE(!(flags & __GFP_NOWARN));
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 5f27e6746762..788a82f9c74d 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -10,6 +10,7 @@
#include <linux/random.h>
#include <linux/moduleparam.h>
#include <linux/ieee80211.h>
+#include <linux/minmax.h>
#include <net/mac80211.h>
#include "rate.h"
#include "sta_info.h"
@@ -1550,6 +1551,7 @@ minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
{
struct ieee80211_sta_rates *rates;
int i = 0;
+ int max_rates = min_t(int, mp->hw->max_rates, IEEE80211_TX_RATE_TABLE_SIZE);
rates = kzalloc(sizeof(*rates), GFP_ATOMIC);
if (!rates)
@@ -1559,10 +1561,10 @@ minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_tp_rate[0]);
/* Fill up remaining, keep one entry for max_probe_rate */
- for (; i < (mp->hw->max_rates - 1); i++)
+ for (; i < (max_rates - 1); i++)
minstrel_ht_set_rate(mp, mi, rates, i, mi->max_tp_rate[i]);
- if (i < mp->hw->max_rates)
+ if (i < max_rates)
minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_prob_rate);
if (i < IEEE80211_TX_RATE_TABLE_SIZE)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3cd24d8170d3..f6f09a3506aa 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -5761,6 +5761,9 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
skb_reset_network_header(skb);
skb_reset_mac_header(skb);
+ if (local->hw.queues < IEEE80211_NUM_ACS)
+ goto start_xmit;
+
/* update QoS header to prioritize control port frames if possible,
* priorization also happens for control port frames send over
* AF_PACKET
@@ -5776,6 +5779,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
rcu_read_unlock();
+start_xmit:
/* mutex lock is only needed for incrementing the cookie counter */
mutex_lock(&local->mtx);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index b58df3e63a86..3f698e508dd7 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -301,14 +301,14 @@ static void __ieee80211_wake_txqs(struct ieee80211_sub_if_data *sdata, int ac)
local_bh_disable();
spin_lock(&fq->lock);
+ sdata->vif.txqs_stopped[ac] = false;
+
if (!test_bit(SDATA_STATE_RUNNING, &sdata->state))
goto out;
if (sdata->vif.type == NL80211_IFTYPE_AP)
ps = &sdata->bss->ps;
- sdata->vif.txqs_stopped[ac] = false;
-
list_for_each_entry_rcu(sta, &local->sta_list, list) {
if (sdata != sta->sdata)
continue;
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 513f571a082b..e44b5ea1a448 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2692,7 +2692,7 @@ static void __mptcp_clear_xmit(struct sock *sk)
dfrag_clear(sk, dfrag);
}
-static void mptcp_cancel_work(struct sock *sk)
+void mptcp_cancel_work(struct sock *sk)
{
struct mptcp_sock *msk = mptcp_sk(sk);
@@ -2832,13 +2832,12 @@ static void __mptcp_destroy_sock(struct sock *sk)
sock_put(sk);
}
-static void mptcp_close(struct sock *sk, long timeout)
+bool __mptcp_close(struct sock *sk, long timeout)
{
struct mptcp_subflow_context *subflow;
struct mptcp_sock *msk = mptcp_sk(sk);
bool do_cancel_work = false;
- lock_sock(sk);
sk->sk_shutdown = SHUTDOWN_MASK;
if ((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) {
@@ -2880,6 +2879,17 @@ static void mptcp_close(struct sock *sk, long timeout)
} else {
mptcp_reset_timeout(msk, 0);
}
+
+ return do_cancel_work;
+}
+
+static void mptcp_close(struct sock *sk, long timeout)
+{
+ bool do_cancel_work;
+
+ lock_sock(sk);
+
+ do_cancel_work = __mptcp_close(sk, timeout);
release_sock(sk);
if (do_cancel_work)
mptcp_cancel_work(sk);
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 092154d5bc75..d6bbc484420d 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -613,6 +613,8 @@ void mptcp_subflow_reset(struct sock *ssk);
void mptcp_subflow_queue_clean(struct sock *ssk);
void mptcp_sock_graft(struct sock *sk, struct socket *parent);
struct socket *__mptcp_nmpc_socket(const struct mptcp_sock *msk);
+bool __mptcp_close(struct sock *sk, long timeout);
+void mptcp_cancel_work(struct sock *sk);
bool mptcp_addresses_equal(const struct mptcp_addr_info *a,
const struct mptcp_addr_info *b, bool use_port);
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index ac41b55b0a81..6f603dbcf75c 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -602,30 +602,6 @@ static bool subflow_hmac_valid(const struct request_sock *req,
return !crypto_memneq(hmac, mp_opt->hmac, MPTCPOPT_HMAC_LEN);
}
-static void mptcp_sock_destruct(struct sock *sk)
-{
- /* if new mptcp socket isn't accepted, it is free'd
- * from the tcp listener sockets request queue, linked
- * from req->sk. The tcp socket is released.
- * This calls the ULP release function which will
- * also remove the mptcp socket, via
- * sock_put(ctx->conn).
- *
- * Problem is that the mptcp socket will be in
- * ESTABLISHED state and will not have the SOCK_DEAD flag.
- * Both result in warnings from inet_sock_destruct.
- */
- if ((1 << sk->sk_state) & (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT)) {
- sk->sk_state = TCP_CLOSE;
- WARN_ON_ONCE(sk->sk_socket);
- sock_orphan(sk);
- }
-
- /* We don't need to clear msk->subflow, as it's still NULL at this point */
- mptcp_destroy_common(mptcp_sk(sk), 0);
- inet_sock_destruct(sk);
-}
-
static void mptcp_force_close(struct sock *sk)
{
/* the msk is not yet exposed to user-space */
@@ -768,7 +744,6 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
/* new mpc subflow takes ownership of the newly
* created mptcp socket
*/
- new_msk->sk_destruct = mptcp_sock_destruct;
mptcp_sk(new_msk)->setsockopt_seq = ctx->setsockopt_seq;
mptcp_pm_new_connection(mptcp_sk(new_msk), child, 1);
mptcp_token_accept(subflow_req, mptcp_sk(new_msk));
@@ -1763,13 +1738,19 @@ void mptcp_subflow_queue_clean(struct sock *listener_ssk)
for (msk = head; msk; msk = next) {
struct sock *sk = (struct sock *)msk;
- bool slow;
+ bool slow, do_cancel_work;
+ sock_hold(sk);
slow = lock_sock_fast_nested(sk);
next = msk->dl_next;
msk->first = NULL;
msk->dl_next = NULL;
+
+ do_cancel_work = __mptcp_close(sk, 0);
unlock_sock_fast(sk, slow);
+ if (do_cancel_work)
+ mptcp_cancel_work(sk);
+ sock_put(sk);
}
/* we are still under the listener msk socket lock */
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index e013253b10d1..4d44a1bf4a04 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -1393,7 +1393,7 @@ static int tcf_ct_init(struct net *net, struct nlattr *nla,
err = tcf_ct_flow_table_get(params);
if (err)
- goto cleanup;
+ goto cleanup_params;
spin_lock_bh(&c->tcf_lock);
goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
@@ -1408,6 +1408,9 @@ static int tcf_ct_init(struct net *net, struct nlattr *nla,
return res;
+cleanup_params:
+ if (params->tmpl)
+ nf_ct_put(params->tmpl);
cleanup:
if (goto_ch)
tcf_chain_put_by_act(goto_ch);
diff --git a/net/wireless/util.c b/net/wireless/util.c
index b7257862e0fe..28b7f120501a 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1361,7 +1361,7 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate)
25599, /* 4.166666... */
17067, /* 2.777777... */
12801, /* 2.083333... */
- 11769, /* 1.851851... */
+ 11377, /* 1.851725... */
10239, /* 1.666666... */
8532, /* 1.388888... */
7680, /* 1.250000... */
@@ -1444,7 +1444,7 @@ static u32 cfg80211_calculate_bitrate_eht(struct rate_info *rate)
25599, /* 4.166666... */
17067, /* 2.777777... */
12801, /* 2.083333... */
- 11769, /* 1.851851... */
+ 11377, /* 1.851725... */
10239, /* 1.666666... */
8532, /* 1.388888... */
7680, /* 1.250000... */
diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index 9ea2aca65e89..e02ad765351b 100644
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -495,6 +495,8 @@ static struct snd_soc_dai_driver tas2770_dai_driver[] = {
},
};
+static const struct regmap_config tas2770_i2c_regmap;
+
static int tas2770_codec_probe(struct snd_soc_component *component)
{
struct tas2770_priv *tas2770 =
@@ -508,6 +510,7 @@ static int tas2770_codec_probe(struct snd_soc_component *component)
}
tas2770_reset(tas2770);
+ regmap_reinit_cache(tas2770->regmap, &tas2770_i2c_regmap);
return 0;
}
diff --git a/sound/soc/fsl/imx-card.c b/sound/soc/fsl/imx-card.c
index 4a8609b0d700..5153af3281d2 100644
--- a/sound/soc/fsl/imx-card.c
+++ b/sound/soc/fsl/imx-card.c
@@ -698,6 +698,10 @@ static int imx_card_parse_of(struct imx_card_data *data)
of_node_put(cpu);
of_node_put(codec);
of_node_put(platform);
+
+ cpu = NULL;
+ codec = NULL;
+ platform = NULL;
}
return 0;
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index 468958154ed9..744dd3520584 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -10,7 +10,7 @@
*/
#include "builtin.h"
-#include "util/parse-events.h"
+#include "util/print-events.h"
#include "util/pmu.h"
#include "util/pmu-hybrid.h"
#include "util/debug.h"
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index 23a33ac15e68..dcc079a80585 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -13,6 +13,7 @@
#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include "util/trace-event.h"
+#include "util/tracepoint.h"
#include "util/debug.h"
#include "util/session.h"
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 68c878b4e5e4..7fbc85c1da81 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -3335,16 +3335,24 @@ static struct option __record_options[] = {
struct option *record_options = __record_options;
-static void record__mmap_cpu_mask_init(struct mmap_cpu_mask *mask, struct perf_cpu_map *cpus)
+static int record__mmap_cpu_mask_init(struct mmap_cpu_mask *mask, struct perf_cpu_map *cpus)
{
struct perf_cpu cpu;
int idx;
if (cpu_map__is_dummy(cpus))
- return;
+ return 0;
- perf_cpu_map__for_each_cpu(cpu, idx, cpus)
+ perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
+ if (cpu.cpu == -1)
+ continue;
+ /* Return ENODEV is input cpu is greater than max cpu */
+ if ((unsigned long)cpu.cpu > mask->nbits)
+ return -ENODEV;
set_bit(cpu.cpu, mask->bits);
+ }
+
+ return 0;
}
static int record__mmap_cpu_mask_init_spec(struct mmap_cpu_mask *mask, const char *mask_spec)
@@ -3356,7 +3364,9 @@ static int record__mmap_cpu_mask_init_spec(struct mmap_cpu_mask *mask, const cha
return -ENOMEM;
bitmap_zero(mask->bits, mask->nbits);
- record__mmap_cpu_mask_init(mask, cpus);
+ if (record__mmap_cpu_mask_init(mask, cpus))
+ return -ENODEV;
+
perf_cpu_map__put(cpus);
return 0;
@@ -3438,7 +3448,12 @@ static int record__init_thread_masks_spec(struct record *rec, struct perf_cpu_ma
pr_err("Failed to allocate CPUs mask\n");
return ret;
}
- record__mmap_cpu_mask_init(&cpus_mask, cpus);
+
+ ret = record__mmap_cpu_mask_init(&cpus_mask, cpus);
+ if (ret) {
+ pr_err("Failed to init cpu mask\n");
+ goto out_free_cpu_mask;
+ }
ret = record__thread_mask_alloc(&full_mask, cpu__max_cpu().cpu);
if (ret) {
@@ -3679,7 +3694,8 @@ static int record__init_thread_default_masks(struct record *rec, struct perf_cpu
if (ret)
return ret;
- record__mmap_cpu_mask_init(&rec->thread_masks->maps, cpus);
+ if (record__mmap_cpu_mask_init(&rec->thread_masks->maps, cpus))
+ return -ENODEV;
rec->nr_threads = 1;
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index afce731cec16..e2e9ad929baf 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -36,6 +36,7 @@
#include "util/data.h"
#include "util/debug.h"
#include "util/string2.h"
+#include "util/tracepoint.h"
#include <linux/err.h>
#ifdef LACKS_OPEN_MEMSTREAM_PROTOTYPE
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index f075cf37a65e..1e1f10a1971d 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -53,6 +53,7 @@
#include "trace-event.h"
#include "util/parse-events.h"
#include "util/bpf-loader.h"
+#include "util/tracepoint.h"
#include "callchain.h"
#include "print_binary.h"
#include "string2.h"
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 6a001fcfed68..4952abe716f3 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -332,7 +332,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest
out:
if (err == -EACCES)
return TEST_SKIP;
- if (err < 0)
+ if (err < 0 || errs != 0)
return TEST_FAIL;
return TEST_OK;
}
diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
index 00c7285ce1ac..301f95427159 100755
--- a/tools/perf/tests/shell/record.sh
+++ b/tools/perf/tests/shell/record.sh
@@ -61,7 +61,7 @@ test_register_capture() {
echo "Register capture test [Skipped missing registers]"
return
fi
- if ! perf record -o - --intr-regs=di,r8,dx,cx -e cpu/br_inst_retired.near_call/p \
+ if ! perf record -o - --intr-regs=di,r8,dx,cx -e br_inst_retired.near_call:p \
-c 1000 --per-thread true 2> /dev/null \
| perf script -F ip,sym,iregs -i - 2> /dev/null \
| egrep -q "DI:"
diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index a51267d88ca9..038e4cf8f488 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -26,6 +26,8 @@ perf-y += mmap.o
perf-y += memswap.o
perf-y += parse-events.o
perf-y += parse-events-hybrid.o
+perf-y += print-events.o
+perf-y += tracepoint.o
perf-y += perf_regs.o
perf-y += path.o
perf-y += print_binary.o
diff --git a/tools/perf/util/parse-events-hybrid.c b/tools/perf/util/parse-events-hybrid.c
index 284f8eabd3b9..7c9f9150bad5 100644
--- a/tools/perf/util/parse-events-hybrid.c
+++ b/tools/perf/util/parse-events-hybrid.c
@@ -33,7 +33,8 @@ static void config_hybrid_attr(struct perf_event_attr *attr,
* If the PMU type ID is 0, the PERF_TYPE_RAW will be applied.
*/
attr->type = type;
- attr->config = attr->config | ((__u64)pmu_type << PERF_PMU_TYPE_SHIFT);
+ attr->config = (attr->config & PERF_HW_EVENT_MASK) |
+ ((__u64)pmu_type << PERF_PMU_TYPE_SHIFT);
}
static int create_event_hybrid(__u32 config_type, int *idx,
@@ -48,13 +49,25 @@ static int create_event_hybrid(__u32 config_type, int *idx,
__u64 config = attr->config;
config_hybrid_attr(attr, config_type, pmu->type);
+
+ /*
+ * Some hybrid hardware cache events are only available on one CPU
+ * PMU. For example, the 'L1-dcache-load-misses' is only available
+ * on cpu_core, while the 'L1-icache-loads' is only available on
+ * cpu_atom. We need to remove "not supported" hybrid cache events.
+ */
+ if (attr->type == PERF_TYPE_HW_CACHE
+ && !is_event_supported(attr->type, attr->config))
+ return 0;
+
evsel = parse_events__add_event_hybrid(list, idx, attr, name, metric_id,
pmu, config_terms);
- if (evsel)
+ if (evsel) {
evsel->pmu_name = strdup(pmu->name);
- else
+ if (!evsel->pmu_name)
+ return -ENOMEM;
+ } else
return -ENOMEM;
-
attr->type = type;
attr->config = config;
return 0;
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 700c95eafd62..b51c646c212e 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -5,18 +5,12 @@
#include <dirent.h>
#include <errno.h>
#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
#include <sys/param.h>
#include "term.h"
-#include "build-id.h"
#include "evlist.h"
#include "evsel.h"
-#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include "parse-events.h"
-#include <subcmd/exec-cmd.h>
#include "string2.h"
#include "strlist.h"
#include "bpf-loader.h"
@@ -27,20 +21,23 @@
#define YY_EXTRA_TYPE void*
#include "parse-events-flex.h"
#include "pmu.h"
-#include "thread_map.h"
-#include "probe-file.h"
#include "asm/bug.h"
#include "util/parse-branch-options.h"
-#include "metricgroup.h"
#include "util/evsel_config.h"
#include "util/event.h"
-#include "util/pfm.h"
+#include "perf.h"
#include "util/parse-events-hybrid.h"
#include "util/pmu-hybrid.h"
-#include "perf.h"
+#include "tracepoint.h"
+#include "thread_map.h"
#define MAX_NAME_LEN 100
+struct perf_pmu_event_symbol {
+ char *symbol;
+ enum perf_pmu_event_symbol_type type;
+};
+
#ifdef PARSER_DEBUG
extern int parse_events_debug;
#endif
@@ -154,21 +151,6 @@ struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
},
};
-struct event_symbol event_symbols_tool[PERF_TOOL_MAX] = {
- [PERF_TOOL_DURATION_TIME] = {
- .symbol = "duration_time",
- .alias = "",
- },
- [PERF_TOOL_USER_TIME] = {
- .symbol = "user_time",
- .alias = "",
- },
- [PERF_TOOL_SYSTEM_TIME] = {
- .symbol = "system_time",
- .alias = "",
- },
-};
-
#define __PERF_EVENT_FIELD(config, name) \
((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT)
@@ -177,119 +159,42 @@ struct event_symbol event_symbols_tool[PERF_TOOL_MAX] = {
#define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE)
#define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT)
-#define for_each_subsystem(sys_dir, sys_dirent) \
- while ((sys_dirent = readdir(sys_dir)) != NULL) \
- if (sys_dirent->d_type == DT_DIR && \
- (strcmp(sys_dirent->d_name, ".")) && \
- (strcmp(sys_dirent->d_name, "..")))
-
-static int tp_event_has_id(const char *dir_path, struct dirent *evt_dir)
-{
- char evt_path[MAXPATHLEN];
- int fd;
-
- snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, evt_dir->d_name);
- fd = open(evt_path, O_RDONLY);
- if (fd < 0)
- return -EINVAL;
- close(fd);
-
- return 0;
-}
-
-#define for_each_event(dir_path, evt_dir, evt_dirent) \
- while ((evt_dirent = readdir(evt_dir)) != NULL) \
- if (evt_dirent->d_type == DT_DIR && \
- (strcmp(evt_dirent->d_name, ".")) && \
- (strcmp(evt_dirent->d_name, "..")) && \
- (!tp_event_has_id(dir_path, evt_dirent)))
-
-#define MAX_EVENT_LENGTH 512
-
-struct tracepoint_path *tracepoint_id_to_path(u64 config)
+bool is_event_supported(u8 type, u64 config)
{
- struct tracepoint_path *path = NULL;
- DIR *sys_dir, *evt_dir;
- struct dirent *sys_dirent, *evt_dirent;
- char id_buf[24];
- int fd;
- u64 id;
- char evt_path[MAXPATHLEN];
- char *dir_path;
-
- sys_dir = tracing_events__opendir();
- if (!sys_dir)
- return NULL;
+ bool ret = true;
+ int open_return;
+ struct evsel *evsel;
+ struct perf_event_attr attr = {
+ .type = type,
+ .config = config,
+ .disabled = 1,
+ };
+ struct perf_thread_map *tmap = thread_map__new_by_tid(0);
- for_each_subsystem(sys_dir, sys_dirent) {
- dir_path = get_events_file(sys_dirent->d_name);
- if (!dir_path)
- continue;
- evt_dir = opendir(dir_path);
- if (!evt_dir)
- goto next;
+ if (tmap == NULL)
+ return false;
- for_each_event(dir_path, evt_dir, evt_dirent) {
+ evsel = evsel__new(&attr);
+ if (evsel) {
+ open_return = evsel__open(evsel, NULL, tmap);
+ ret = open_return >= 0;
- scnprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path,
- evt_dirent->d_name);
- fd = open(evt_path, O_RDONLY);
- if (fd < 0)
- continue;
- if (read(fd, id_buf, sizeof(id_buf)) < 0) {
- close(fd);
- continue;
- }
- close(fd);
- id = atoll(id_buf);
- if (id == config) {
- put_events_file(dir_path);
- closedir(evt_dir);
- closedir(sys_dir);
- path = zalloc(sizeof(*path));
- if (!path)
- return NULL;
- if (asprintf(&path->system, "%.*s", MAX_EVENT_LENGTH, sys_dirent->d_name) < 0) {
- free(path);
- return NULL;
- }
- if (asprintf(&path->name, "%.*s", MAX_EVENT_LENGTH, evt_dirent->d_name) < 0) {
- zfree(&path->system);
- free(path);
- return NULL;
- }
- return path;
- }
+ if (open_return == -EACCES) {
+ /*
+ * This happens if the paranoid value
+ * /proc/sys/kernel/perf_event_paranoid is set to 2
+ * Re-run with exclude_kernel set; we don't do that
+ * by default as some ARM machines do not support it.
+ *
+ */
+ evsel->core.attr.exclude_kernel = 1;
+ ret = evsel__open(evsel, NULL, tmap) >= 0;
}
- closedir(evt_dir);
-next:
- put_events_file(dir_path);
- }
-
- closedir(sys_dir);
- return NULL;
-}
-
-struct tracepoint_path *tracepoint_name_to_path(const char *name)
-{
- struct tracepoint_path *path = zalloc(sizeof(*path));
- char *str = strchr(name, ':');
-
- if (path == NULL || str == NULL) {
- free(path);
- return NULL;
- }
-
- path->system = strndup(name, str - name);
- path->name = strdup(str+1);
-
- if (path->system == NULL || path->name == NULL) {
- zfree(&path->system);
- zfree(&path->name);
- zfree(&path);
+ evsel__delete(evsel);
}
- return path;
+ perf_thread_map__put(tmap);
+ return ret;
}
const char *event_type(int type)
@@ -2674,571 +2579,6 @@ int exclude_perf(const struct option *opt,
NULL);
}
-static const char * const event_type_descriptors[] = {
- "Hardware event",
- "Software event",
- "Tracepoint event",
- "Hardware cache event",
- "Raw hardware event descriptor",
- "Hardware breakpoint",
-};
-
-static int cmp_string(const void *a, const void *b)
-{
- const char * const *as = a;
- const char * const *bs = b;
-
- return strcmp(*as, *bs);
-}
-
-/*
- * Print the events from <debugfs_mount_point>/tracing/events
- */
-
-void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
- bool name_only)
-{
- DIR *sys_dir, *evt_dir;
- struct dirent *sys_dirent, *evt_dirent;
- char evt_path[MAXPATHLEN];
- char *dir_path;
- char **evt_list = NULL;
- unsigned int evt_i = 0, evt_num = 0;
- bool evt_num_known = false;
-
-restart:
- sys_dir = tracing_events__opendir();
- if (!sys_dir)
- return;
-
- if (evt_num_known) {
- evt_list = zalloc(sizeof(char *) * evt_num);
- if (!evt_list)
- goto out_close_sys_dir;
- }
-
- for_each_subsystem(sys_dir, sys_dirent) {
- if (subsys_glob != NULL &&
- !strglobmatch(sys_dirent->d_name, subsys_glob))
- continue;
-
- dir_path = get_events_file(sys_dirent->d_name);
- if (!dir_path)
- continue;
- evt_dir = opendir(dir_path);
- if (!evt_dir)
- goto next;
-
- for_each_event(dir_path, evt_dir, evt_dirent) {
- if (event_glob != NULL &&
- !strglobmatch(evt_dirent->d_name, event_glob))
- continue;
-
- if (!evt_num_known) {
- evt_num++;
- continue;
- }
-
- snprintf(evt_path, MAXPATHLEN, "%s:%s",
- sys_dirent->d_name, evt_dirent->d_name);
-
- evt_list[evt_i] = strdup(evt_path);
- if (evt_list[evt_i] == NULL) {
- put_events_file(dir_path);
- goto out_close_evt_dir;
- }
- evt_i++;
- }
- closedir(evt_dir);
-next:
- put_events_file(dir_path);
- }
- closedir(sys_dir);
-
- if (!evt_num_known) {
- evt_num_known = true;
- goto restart;
- }
- qsort(evt_list, evt_num, sizeof(char *), cmp_string);
- evt_i = 0;
- while (evt_i < evt_num) {
- if (name_only) {
- printf("%s ", evt_list[evt_i++]);
- continue;
- }
- printf(" %-50s [%s]\n", evt_list[evt_i++],
- event_type_descriptors[PERF_TYPE_TRACEPOINT]);
- }
- if (evt_num && pager_in_use())
- printf("\n");
-
-out_free:
- evt_num = evt_i;
- for (evt_i = 0; evt_i < evt_num; evt_i++)
- zfree(&evt_list[evt_i]);
- zfree(&evt_list);
- return;
-
-out_close_evt_dir:
- closedir(evt_dir);
-out_close_sys_dir:
- closedir(sys_dir);
-
- printf("FATAL: not enough memory to print %s\n",
- event_type_descriptors[PERF_TYPE_TRACEPOINT]);
- if (evt_list)
- goto out_free;
-}
-
-/*
- * Check whether event is in <debugfs_mount_point>/tracing/events
- */
-
-int is_valid_tracepoint(const char *event_string)
-{
- DIR *sys_dir, *evt_dir;
- struct dirent *sys_dirent, *evt_dirent;
- char evt_path[MAXPATHLEN];
- char *dir_path;
-
- sys_dir = tracing_events__opendir();
- if (!sys_dir)
- return 0;
-
- for_each_subsystem(sys_dir, sys_dirent) {
- dir_path = get_events_file(sys_dirent->d_name);
- if (!dir_path)
- continue;
- evt_dir = opendir(dir_path);
- if (!evt_dir)
- goto next;
-
- for_each_event(dir_path, evt_dir, evt_dirent) {
- snprintf(evt_path, MAXPATHLEN, "%s:%s",
- sys_dirent->d_name, evt_dirent->d_name);
- if (!strcmp(evt_path, event_string)) {
- closedir(evt_dir);
- closedir(sys_dir);
- return 1;
- }
- }
- closedir(evt_dir);
-next:
- put_events_file(dir_path);
- }
- closedir(sys_dir);
- return 0;
-}
-
-static bool is_event_supported(u8 type, u64 config)
-{
- bool ret = true;
- int open_return;
- struct evsel *evsel;
- struct perf_event_attr attr = {
- .type = type,
- .config = config,
- .disabled = 1,
- };
- struct perf_thread_map *tmap = thread_map__new_by_tid(0);
-
- if (tmap == NULL)
- return false;
-
- evsel = evsel__new(&attr);
- if (evsel) {
- open_return = evsel__open(evsel, NULL, tmap);
- ret = open_return >= 0;
-
- if (open_return == -EACCES) {
- /*
- * This happens if the paranoid value
- * /proc/sys/kernel/perf_event_paranoid is set to 2
- * Re-run with exclude_kernel set; we don't do that
- * by default as some ARM machines do not support it.
- *
- */
- evsel->core.attr.exclude_kernel = 1;
- ret = evsel__open(evsel, NULL, tmap) >= 0;
- }
- evsel__delete(evsel);
- }
-
- perf_thread_map__put(tmap);
- return ret;
-}
-
-void print_sdt_events(const char *subsys_glob, const char *event_glob,
- bool name_only)
-{
- struct probe_cache *pcache;
- struct probe_cache_entry *ent;
- struct strlist *bidlist, *sdtlist;
- struct strlist_config cfg = {.dont_dupstr = true};
- struct str_node *nd, *nd2;
- char *buf, *path, *ptr = NULL;
- bool show_detail = false;
- int ret;
-
- sdtlist = strlist__new(NULL, &cfg);
- if (!sdtlist) {
- pr_debug("Failed to allocate new strlist for SDT\n");
- return;
- }
- bidlist = build_id_cache__list_all(true);
- if (!bidlist) {
- pr_debug("Failed to get buildids: %d\n", errno);
- return;
- }
- strlist__for_each_entry(nd, bidlist) {
- pcache = probe_cache__new(nd->s, NULL);
- if (!pcache)
- continue;
- list_for_each_entry(ent, &pcache->entries, node) {
- if (!ent->sdt)
- continue;
- if (subsys_glob &&
- !strglobmatch(ent->pev.group, subsys_glob))
- continue;
- if (event_glob &&
- !strglobmatch(ent->pev.event, event_glob))
- continue;
- ret = asprintf(&buf, "%s:%s@%s", ent->pev.group,
- ent->pev.event, nd->s);
- if (ret > 0)
- strlist__add(sdtlist, buf);
- }
- probe_cache__delete(pcache);
- }
- strlist__delete(bidlist);
-
- strlist__for_each_entry(nd, sdtlist) {
- buf = strchr(nd->s, '@');
- if (buf)
- *(buf++) = '\0';
- if (name_only) {
- printf("%s ", nd->s);
- continue;
- }
- nd2 = strlist__next(nd);
- if (nd2) {
- ptr = strchr(nd2->s, '@');
- if (ptr)
- *ptr = '\0';
- if (strcmp(nd->s, nd2->s) == 0)
- show_detail = true;
- }
- if (show_detail) {
- path = build_id_cache__origname(buf);
- ret = asprintf(&buf, "%s@%s(%.12s)", nd->s, path, buf);
- if (ret > 0) {
- printf(" %-50s [%s]\n", buf, "SDT event");
- free(buf);
- }
- free(path);
- } else
- printf(" %-50s [%s]\n", nd->s, "SDT event");
- if (nd2) {
- if (strcmp(nd->s, nd2->s) != 0)
- show_detail = false;
- if (ptr)
- *ptr = '@';
- }
- }
- strlist__delete(sdtlist);
-}
-
-int print_hwcache_events(const char *event_glob, bool name_only)
-{
- unsigned int type, op, i, evt_i = 0, evt_num = 0, npmus = 0;
- char name[64], new_name[128];
- char **evt_list = NULL, **evt_pmus = NULL;
- bool evt_num_known = false;
- struct perf_pmu *pmu = NULL;
-
- if (perf_pmu__has_hybrid()) {
- npmus = perf_pmu__hybrid_pmu_num();
- evt_pmus = zalloc(sizeof(char *) * npmus);
- if (!evt_pmus)
- goto out_enomem;
- }
-
-restart:
- if (evt_num_known) {
- evt_list = zalloc(sizeof(char *) * evt_num);
- if (!evt_list)
- goto out_enomem;
- }
-
- for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
- for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
- /* skip invalid cache type */
- if (!evsel__is_cache_op_valid(type, op))
- continue;
-
- for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
- unsigned int hybrid_supported = 0, j;
- bool supported;
-
- __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
- if (event_glob != NULL && !strglobmatch(name, event_glob))
- continue;
-
- if (!perf_pmu__has_hybrid()) {
- if (!is_event_supported(PERF_TYPE_HW_CACHE,
- type | (op << 8) | (i << 16))) {
- continue;
- }
- } else {
- perf_pmu__for_each_hybrid_pmu(pmu) {
- if (!evt_num_known) {
- evt_num++;
- continue;
- }
-
- supported = is_event_supported(
- PERF_TYPE_HW_CACHE,
- type | (op << 8) | (i << 16) |
- ((__u64)pmu->type << PERF_PMU_TYPE_SHIFT));
- if (supported) {
- snprintf(new_name, sizeof(new_name), "%s/%s/",
- pmu->name, name);
- evt_pmus[hybrid_supported] = strdup(new_name);
- hybrid_supported++;
- }
- }
-
- if (hybrid_supported == 0)
- continue;
- }
-
- if (!evt_num_known) {
- evt_num++;
- continue;
- }
-
- if ((hybrid_supported == 0) ||
- (hybrid_supported == npmus)) {
- evt_list[evt_i] = strdup(name);
- if (npmus > 0) {
- for (j = 0; j < npmus; j++)
- zfree(&evt_pmus[j]);
- }
- } else {
- for (j = 0; j < hybrid_supported; j++) {
- evt_list[evt_i++] = evt_pmus[j];
- evt_pmus[j] = NULL;
- }
- continue;
- }
-
- if (evt_list[evt_i] == NULL)
- goto out_enomem;
- evt_i++;
- }
- }
- }
-
- if (!evt_num_known) {
- evt_num_known = true;
- goto restart;
- }
-
- for (evt_i = 0; evt_i < evt_num; evt_i++) {
- if (!evt_list[evt_i])
- break;
- }
-
- evt_num = evt_i;
- qsort(evt_list, evt_num, sizeof(char *), cmp_string);
- evt_i = 0;
- while (evt_i < evt_num) {
- if (name_only) {
- printf("%s ", evt_list[evt_i++]);
- continue;
- }
- printf(" %-50s [%s]\n", evt_list[evt_i++],
- event_type_descriptors[PERF_TYPE_HW_CACHE]);
- }
- if (evt_num && pager_in_use())
- printf("\n");
-
-out_free:
- evt_num = evt_i;
- for (evt_i = 0; evt_i < evt_num; evt_i++)
- zfree(&evt_list[evt_i]);
- zfree(&evt_list);
-
- for (evt_i = 0; evt_i < npmus; evt_i++)
- zfree(&evt_pmus[evt_i]);
- zfree(&evt_pmus);
- return evt_num;
-
-out_enomem:
- printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]);
- if (evt_list)
- goto out_free;
- return evt_num;
-}
-
-static void print_tool_event(const struct event_symbol *syms, const char *event_glob,
- bool name_only)
-{
- if (syms->symbol == NULL)
- return;
-
- if (event_glob && !(strglobmatch(syms->symbol, event_glob) ||
- (syms->alias && strglobmatch(syms->alias, event_glob))))
- return;
-
- if (name_only)
- printf("%s ", syms->symbol);
- else {
- char name[MAX_NAME_LEN];
- if (syms->alias && strlen(syms->alias))
- snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias);
- else
- strlcpy(name, syms->symbol, MAX_NAME_LEN);
- printf(" %-50s [%s]\n", name, "Tool event");
- }
-}
-
-void print_tool_events(const char *event_glob, bool name_only)
-{
- // Start at 1 because the first enum entry symbols no tool event
- for (int i = 1; i < PERF_TOOL_MAX; ++i) {
- print_tool_event(event_symbols_tool + i, event_glob, name_only);
- }
- if (pager_in_use())
- printf("\n");
-}
-
-void print_symbol_events(const char *event_glob, unsigned type,
- struct event_symbol *syms, unsigned max,
- bool name_only)
-{
- unsigned int i, evt_i = 0, evt_num = 0;
- char name[MAX_NAME_LEN];
- char **evt_list = NULL;
- bool evt_num_known = false;
-
-restart:
- if (evt_num_known) {
- evt_list = zalloc(sizeof(char *) * evt_num);
- if (!evt_list)
- goto out_enomem;
- syms -= max;
- }
-
- for (i = 0; i < max; i++, syms++) {
- /*
- * New attr.config still not supported here, the latest
- * example was PERF_COUNT_SW_CGROUP_SWITCHES
- */
- if (syms->symbol == NULL)
- continue;
-
- if (event_glob != NULL && !(strglobmatch(syms->symbol, event_glob) ||
- (syms->alias && strglobmatch(syms->alias, event_glob))))
- continue;
-
- if (!is_event_supported(type, i))
- continue;
-
- if (!evt_num_known) {
- evt_num++;
- continue;
- }
-
- if (!name_only && strlen(syms->alias))
- snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias);
- else
- strlcpy(name, syms->symbol, MAX_NAME_LEN);
-
- evt_list[evt_i] = strdup(name);
- if (evt_list[evt_i] == NULL)
- goto out_enomem;
- evt_i++;
- }
-
- if (!evt_num_known) {
- evt_num_known = true;
- goto restart;
- }
- qsort(evt_list, evt_num, sizeof(char *), cmp_string);
- evt_i = 0;
- while (evt_i < evt_num) {
- if (name_only) {
- printf("%s ", evt_list[evt_i++]);
- continue;
- }
- printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]);
- }
- if (evt_num && pager_in_use())
- printf("\n");
-
-out_free:
- evt_num = evt_i;
- for (evt_i = 0; evt_i < evt_num; evt_i++)
- zfree(&evt_list[evt_i]);
- zfree(&evt_list);
- return;
-
-out_enomem:
- printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]);
- if (evt_list)
- goto out_free;
-}
-
-/*
- * Print the help text for the event symbols:
- */
-void print_events(const char *event_glob, bool name_only, bool quiet_flag,
- bool long_desc, bool details_flag, bool deprecated,
- const char *pmu_name)
-{
- print_symbol_events(event_glob, PERF_TYPE_HARDWARE,
- event_symbols_hw, PERF_COUNT_HW_MAX, name_only);
-
- print_symbol_events(event_glob, PERF_TYPE_SOFTWARE,
- event_symbols_sw, PERF_COUNT_SW_MAX, name_only);
- print_tool_events(event_glob, name_only);
-
- print_hwcache_events(event_glob, name_only);
-
- print_pmu_events(event_glob, name_only, quiet_flag, long_desc,
- details_flag, deprecated, pmu_name);
-
- if (event_glob != NULL)
- return;
-
- if (!name_only) {
- printf(" %-50s [%s]\n",
- "rNNN",
- event_type_descriptors[PERF_TYPE_RAW]);
- printf(" %-50s [%s]\n",
- "cpu/t1=v1[,t2=v2,t3 ...]/modifier",
- event_type_descriptors[PERF_TYPE_RAW]);
- if (pager_in_use())
- printf(" (see 'man perf-list' on how to encode it)\n\n");
-
- printf(" %-50s [%s]\n",
- "mem:<addr>[/len][:access]",
- event_type_descriptors[PERF_TYPE_BREAKPOINT]);
- if (pager_in_use())
- printf("\n");
- }
-
- print_tracepoint_events(NULL, NULL, name_only);
-
- print_sdt_events(NULL, NULL, name_only);
-
- metricgroup__print(true, true, NULL, name_only, details_flag,
- pmu_name);
-
- print_libpfm_events(name_only, long_desc);
-}
-
int parse_events__is_hardcoded_term(struct parse_events_term *term)
{
return term->type_term != PARSE_EVENTS__TERM_TYPE_USER;
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index a38b8b160e80..fd97bb74559e 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -11,7 +11,6 @@
#include <linux/perf_event.h>
#include <string.h>
-struct list_head;
struct evsel;
struct evlist;
struct parse_events_error;
@@ -19,15 +18,8 @@ struct parse_events_error;
struct option;
struct perf_pmu;
-struct tracepoint_path {
- char *system;
- char *name;
- struct tracepoint_path *next;
-};
-
-struct tracepoint_path *tracepoint_id_to_path(u64 config);
-struct tracepoint_path *tracepoint_name_to_path(const char *name);
bool have_tracepoints(struct list_head *evlist);
+bool is_event_supported(u8 type, u64 config);
const char *event_type(int type);
@@ -46,8 +38,6 @@ int parse_events_terms(struct list_head *terms, const char *str);
int parse_filter(const struct option *opt, const char *str, int unset);
int exclude_perf(const struct option *opt, const char *arg, int unset);
-#define EVENTS_HELP_MAX (128*1024)
-
enum perf_pmu_event_symbol_type {
PMU_EVENT_SYMBOL_ERR, /* not a PMU EVENT */
PMU_EVENT_SYMBOL, /* normal style PMU event */
@@ -56,11 +46,6 @@ enum perf_pmu_event_symbol_type {
PMU_EVENT_SYMBOL_SUFFIX2, /* suffix of pre-suf2 style event */
};
-struct perf_pmu_event_symbol {
- char *symbol;
- enum perf_pmu_event_symbol_type type;
-};
-
enum {
PARSE_EVENTS__TERM_TYPE_NUM,
PARSE_EVENTS__TERM_TYPE_STR,
@@ -219,28 +204,13 @@ void parse_events_update_lists(struct list_head *list_event,
void parse_events_evlist_error(struct parse_events_state *parse_state,
int idx, const char *str);
-void print_events(const char *event_glob, bool name_only, bool quiet,
- bool long_desc, bool details_flag, bool deprecated,
- const char *pmu_name);
-
struct event_symbol {
const char *symbol;
const char *alias;
};
extern struct event_symbol event_symbols_hw[];
extern struct event_symbol event_symbols_sw[];
-void print_symbol_events(const char *event_glob, unsigned type,
- struct event_symbol *syms, unsigned max,
- bool name_only);
-void print_tool_events(const char *event_glob, bool name_only);
-void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
- bool name_only);
-int print_hwcache_events(const char *event_glob, bool name_only);
-void print_sdt_events(const char *subsys_glob, const char *event_glob,
- bool name_only);
-int is_valid_tracepoint(const char *event_string);
-int valid_event_mount(const char *eventfs);
char *parse_events_formats_error_string(char *additional_terms);
void parse_events_error__init(struct parse_events_error *err);
diff --git a/tools/perf/util/print-events.c b/tools/perf/util/print-events.c
new file mode 100644
index 000000000000..c4d5d87fae2f
--- /dev/null
+++ b/tools/perf/util/print-events.c
@@ -0,0 +1,533 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <dirent.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/param.h>
+
+#include <api/fs/tracing_path.h>
+#include <linux/stddef.h>
+#include <linux/perf_event.h>
+#include <linux/zalloc.h>
+#include <subcmd/pager.h>
+
+#include "build-id.h"
+#include "debug.h"
+#include "evsel.h"
+#include "metricgroup.h"
+#include "parse-events.h"
+#include "pmu.h"
+#include "print-events.h"
+#include "probe-file.h"
+#include "string2.h"
+#include "strlist.h"
+#include "tracepoint.h"
+#include "pfm.h"
+#include "pmu-hybrid.h"
+
+#define MAX_NAME_LEN 100
+
+static const char * const event_type_descriptors[] = {
+ "Hardware event",
+ "Software event",
+ "Tracepoint event",
+ "Hardware cache event",
+ "Raw hardware event descriptor",
+ "Hardware breakpoint",
+};
+
+static const struct event_symbol event_symbols_tool[PERF_TOOL_MAX] = {
+ [PERF_TOOL_DURATION_TIME] = {
+ .symbol = "duration_time",
+ .alias = "",
+ },
+ [PERF_TOOL_USER_TIME] = {
+ .symbol = "user_time",
+ .alias = "",
+ },
+ [PERF_TOOL_SYSTEM_TIME] = {
+ .symbol = "system_time",
+ .alias = "",
+ },
+};
+
+static int cmp_string(const void *a, const void *b)
+{
+ const char * const *as = a;
+ const char * const *bs = b;
+
+ return strcmp(*as, *bs);
+}
+
+/*
+ * Print the events from <debugfs_mount_point>/tracing/events
+ */
+void print_tracepoint_events(const char *subsys_glob,
+ const char *event_glob, bool name_only)
+{
+ DIR *sys_dir, *evt_dir;
+ struct dirent *sys_dirent, *evt_dirent;
+ char evt_path[MAXPATHLEN];
+ char *dir_path;
+ char **evt_list = NULL;
+ unsigned int evt_i = 0, evt_num = 0;
+ bool evt_num_known = false;
+
+restart:
+ sys_dir = tracing_events__opendir();
+ if (!sys_dir)
+ return;
+
+ if (evt_num_known) {
+ evt_list = zalloc(sizeof(char *) * evt_num);
+ if (!evt_list)
+ goto out_close_sys_dir;
+ }
+
+ for_each_subsystem(sys_dir, sys_dirent) {
+ if (subsys_glob != NULL &&
+ !strglobmatch(sys_dirent->d_name, subsys_glob))
+ continue;
+
+ dir_path = get_events_file(sys_dirent->d_name);
+ if (!dir_path)
+ continue;
+ evt_dir = opendir(dir_path);
+ if (!evt_dir)
+ goto next;
+
+ for_each_event(dir_path, evt_dir, evt_dirent) {
+ if (event_glob != NULL &&
+ !strglobmatch(evt_dirent->d_name, event_glob))
+ continue;
+
+ if (!evt_num_known) {
+ evt_num++;
+ continue;
+ }
+
+ snprintf(evt_path, MAXPATHLEN, "%s:%s",
+ sys_dirent->d_name, evt_dirent->d_name);
+
+ evt_list[evt_i] = strdup(evt_path);
+ if (evt_list[evt_i] == NULL) {
+ put_events_file(dir_path);
+ goto out_close_evt_dir;
+ }
+ evt_i++;
+ }
+ closedir(evt_dir);
+next:
+ put_events_file(dir_path);
+ }
+ closedir(sys_dir);
+
+ if (!evt_num_known) {
+ evt_num_known = true;
+ goto restart;
+ }
+ qsort(evt_list, evt_num, sizeof(char *), cmp_string);
+ evt_i = 0;
+ while (evt_i < evt_num) {
+ if (name_only) {
+ printf("%s ", evt_list[evt_i++]);
+ continue;
+ }
+ printf(" %-50s [%s]\n", evt_list[evt_i++],
+ event_type_descriptors[PERF_TYPE_TRACEPOINT]);
+ }
+ if (evt_num && pager_in_use())
+ printf("\n");
+
+out_free:
+ evt_num = evt_i;
+ for (evt_i = 0; evt_i < evt_num; evt_i++)
+ zfree(&evt_list[evt_i]);
+ zfree(&evt_list);
+ return;
+
+out_close_evt_dir:
+ closedir(evt_dir);
+out_close_sys_dir:
+ closedir(sys_dir);
+
+ printf("FATAL: not enough memory to print %s\n",
+ event_type_descriptors[PERF_TYPE_TRACEPOINT]);
+ if (evt_list)
+ goto out_free;
+}
+
+void print_sdt_events(const char *subsys_glob, const char *event_glob,
+ bool name_only)
+{
+ struct probe_cache *pcache;
+ struct probe_cache_entry *ent;
+ struct strlist *bidlist, *sdtlist;
+ struct strlist_config cfg = {.dont_dupstr = true};
+ struct str_node *nd, *nd2;
+ char *buf, *path, *ptr = NULL;
+ bool show_detail = false;
+ int ret;
+
+ sdtlist = strlist__new(NULL, &cfg);
+ if (!sdtlist) {
+ pr_debug("Failed to allocate new strlist for SDT\n");
+ return;
+ }
+ bidlist = build_id_cache__list_all(true);
+ if (!bidlist) {
+ pr_debug("Failed to get buildids: %d\n", errno);
+ return;
+ }
+ strlist__for_each_entry(nd, bidlist) {
+ pcache = probe_cache__new(nd->s, NULL);
+ if (!pcache)
+ continue;
+ list_for_each_entry(ent, &pcache->entries, node) {
+ if (!ent->sdt)
+ continue;
+ if (subsys_glob &&
+ !strglobmatch(ent->pev.group, subsys_glob))
+ continue;
+ if (event_glob &&
+ !strglobmatch(ent->pev.event, event_glob))
+ continue;
+ ret = asprintf(&buf, "%s:%s@%s", ent->pev.group,
+ ent->pev.event, nd->s);
+ if (ret > 0)
+ strlist__add(sdtlist, buf);
+ }
+ probe_cache__delete(pcache);
+ }
+ strlist__delete(bidlist);
+
+ strlist__for_each_entry(nd, sdtlist) {
+ buf = strchr(nd->s, '@');
+ if (buf)
+ *(buf++) = '\0';
+ if (name_only) {
+ printf("%s ", nd->s);
+ continue;
+ }
+ nd2 = strlist__next(nd);
+ if (nd2) {
+ ptr = strchr(nd2->s, '@');
+ if (ptr)
+ *ptr = '\0';
+ if (strcmp(nd->s, nd2->s) == 0)
+ show_detail = true;
+ }
+ if (show_detail) {
+ path = build_id_cache__origname(buf);
+ ret = asprintf(&buf, "%s@%s(%.12s)", nd->s, path, buf);
+ if (ret > 0) {
+ printf(" %-50s [%s]\n", buf, "SDT event");
+ free(buf);
+ }
+ free(path);
+ } else
+ printf(" %-50s [%s]\n", nd->s, "SDT event");
+ if (nd2) {
+ if (strcmp(nd->s, nd2->s) != 0)
+ show_detail = false;
+ if (ptr)
+ *ptr = '@';
+ }
+ }
+ strlist__delete(sdtlist);
+}
+
+int print_hwcache_events(const char *event_glob, bool name_only)
+{
+ unsigned int type, op, i, evt_i = 0, evt_num = 0, npmus = 0;
+ char name[64], new_name[128];
+ char **evt_list = NULL, **evt_pmus = NULL;
+ bool evt_num_known = false;
+ struct perf_pmu *pmu = NULL;
+
+ if (perf_pmu__has_hybrid()) {
+ npmus = perf_pmu__hybrid_pmu_num();
+ evt_pmus = zalloc(sizeof(char *) * npmus);
+ if (!evt_pmus)
+ goto out_enomem;
+ }
+
+restart:
+ if (evt_num_known) {
+ evt_list = zalloc(sizeof(char *) * evt_num);
+ if (!evt_list)
+ goto out_enomem;
+ }
+
+ for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
+ for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
+ /* skip invalid cache type */
+ if (!evsel__is_cache_op_valid(type, op))
+ continue;
+
+ for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
+ unsigned int hybrid_supported = 0, j;
+ bool supported;
+
+ __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
+ if (event_glob != NULL && !strglobmatch(name, event_glob))
+ continue;
+
+ if (!perf_pmu__has_hybrid()) {
+ if (!is_event_supported(PERF_TYPE_HW_CACHE,
+ type | (op << 8) | (i << 16))) {
+ continue;
+ }
+ } else {
+ perf_pmu__for_each_hybrid_pmu(pmu) {
+ if (!evt_num_known) {
+ evt_num++;
+ continue;
+ }
+
+ supported = is_event_supported(
+ PERF_TYPE_HW_CACHE,
+ type | (op << 8) | (i << 16) |
+ ((__u64)pmu->type << PERF_PMU_TYPE_SHIFT));
+ if (supported) {
+ snprintf(new_name, sizeof(new_name),
+ "%s/%s/", pmu->name, name);
+ evt_pmus[hybrid_supported] =
+ strdup(new_name);
+ hybrid_supported++;
+ }
+ }
+
+ if (hybrid_supported == 0)
+ continue;
+ }
+
+ if (!evt_num_known) {
+ evt_num++;
+ continue;
+ }
+
+ if ((hybrid_supported == 0) ||
+ (hybrid_supported == npmus)) {
+ evt_list[evt_i] = strdup(name);
+ if (npmus > 0) {
+ for (j = 0; j < npmus; j++)
+ zfree(&evt_pmus[j]);
+ }
+ } else {
+ for (j = 0; j < hybrid_supported; j++) {
+ evt_list[evt_i++] = evt_pmus[j];
+ evt_pmus[j] = NULL;
+ }
+ continue;
+ }
+
+ if (evt_list[evt_i] == NULL)
+ goto out_enomem;
+ evt_i++;
+ }
+ }
+ }
+
+ if (!evt_num_known) {
+ evt_num_known = true;
+ goto restart;
+ }
+
+ for (evt_i = 0; evt_i < evt_num; evt_i++) {
+ if (!evt_list[evt_i])
+ break;
+ }
+
+ evt_num = evt_i;
+ qsort(evt_list, evt_num, sizeof(char *), cmp_string);
+ evt_i = 0;
+ while (evt_i < evt_num) {
+ if (name_only) {
+ printf("%s ", evt_list[evt_i++]);
+ continue;
+ }
+ printf(" %-50s [%s]\n", evt_list[evt_i++],
+ event_type_descriptors[PERF_TYPE_HW_CACHE]);
+ }
+ if (evt_num && pager_in_use())
+ printf("\n");
+
+out_free:
+ evt_num = evt_i;
+ for (evt_i = 0; evt_i < evt_num; evt_i++)
+ zfree(&evt_list[evt_i]);
+ zfree(&evt_list);
+
+ for (evt_i = 0; evt_i < npmus; evt_i++)
+ zfree(&evt_pmus[evt_i]);
+ zfree(&evt_pmus);
+ return evt_num;
+
+out_enomem:
+ printf("FATAL: not enough memory to print %s\n",
+ event_type_descriptors[PERF_TYPE_HW_CACHE]);
+ if (evt_list)
+ goto out_free;
+ return evt_num;
+}
+
+static void print_tool_event(const struct event_symbol *syms, const char *event_glob,
+ bool name_only)
+{
+ if (syms->symbol == NULL)
+ return;
+
+ if (event_glob && !(strglobmatch(syms->symbol, event_glob) ||
+ (syms->alias && strglobmatch(syms->alias, event_glob))))
+ return;
+
+ if (name_only)
+ printf("%s ", syms->symbol);
+ else {
+ char name[MAX_NAME_LEN];
+
+ if (syms->alias && strlen(syms->alias))
+ snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias);
+ else
+ strlcpy(name, syms->symbol, MAX_NAME_LEN);
+ printf(" %-50s [%s]\n", name, "Tool event");
+ }
+}
+
+void print_tool_events(const char *event_glob, bool name_only)
+{
+ // Start at 1 because the first enum entry means no tool event.
+ for (int i = 1; i < PERF_TOOL_MAX; ++i)
+ print_tool_event(event_symbols_tool + i, event_glob, name_only);
+
+ if (pager_in_use())
+ printf("\n");
+}
+
+void print_symbol_events(const char *event_glob, unsigned int type,
+ struct event_symbol *syms, unsigned int max,
+ bool name_only)
+{
+ unsigned int i, evt_i = 0, evt_num = 0;
+ char name[MAX_NAME_LEN];
+ char **evt_list = NULL;
+ bool evt_num_known = false;
+
+restart:
+ if (evt_num_known) {
+ evt_list = zalloc(sizeof(char *) * evt_num);
+ if (!evt_list)
+ goto out_enomem;
+ syms -= max;
+ }
+
+ for (i = 0; i < max; i++, syms++) {
+ /*
+ * New attr.config still not supported here, the latest
+ * example was PERF_COUNT_SW_CGROUP_SWITCHES
+ */
+ if (syms->symbol == NULL)
+ continue;
+
+ if (event_glob != NULL && !(strglobmatch(syms->symbol, event_glob) ||
+ (syms->alias && strglobmatch(syms->alias, event_glob))))
+ continue;
+
+ if (!is_event_supported(type, i))
+ continue;
+
+ if (!evt_num_known) {
+ evt_num++;
+ continue;
+ }
+
+ if (!name_only && strlen(syms->alias))
+ snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias);
+ else
+ strlcpy(name, syms->symbol, MAX_NAME_LEN);
+
+ evt_list[evt_i] = strdup(name);
+ if (evt_list[evt_i] == NULL)
+ goto out_enomem;
+ evt_i++;
+ }
+
+ if (!evt_num_known) {
+ evt_num_known = true;
+ goto restart;
+ }
+ qsort(evt_list, evt_num, sizeof(char *), cmp_string);
+ evt_i = 0;
+ while (evt_i < evt_num) {
+ if (name_only) {
+ printf("%s ", evt_list[evt_i++]);
+ continue;
+ }
+ printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]);
+ }
+ if (evt_num && pager_in_use())
+ printf("\n");
+
+out_free:
+ evt_num = evt_i;
+ for (evt_i = 0; evt_i < evt_num; evt_i++)
+ zfree(&evt_list[evt_i]);
+ zfree(&evt_list);
+ return;
+
+out_enomem:
+ printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]);
+ if (evt_list)
+ goto out_free;
+}
+
+/*
+ * Print the help text for the event symbols:
+ */
+void print_events(const char *event_glob, bool name_only, bool quiet_flag,
+ bool long_desc, bool details_flag, bool deprecated,
+ const char *pmu_name)
+{
+ print_symbol_events(event_glob, PERF_TYPE_HARDWARE,
+ event_symbols_hw, PERF_COUNT_HW_MAX, name_only);
+
+ print_symbol_events(event_glob, PERF_TYPE_SOFTWARE,
+ event_symbols_sw, PERF_COUNT_SW_MAX, name_only);
+ print_tool_events(event_glob, name_only);
+
+ print_hwcache_events(event_glob, name_only);
+
+ print_pmu_events(event_glob, name_only, quiet_flag, long_desc,
+ details_flag, deprecated, pmu_name);
+
+ if (event_glob != NULL)
+ return;
+
+ if (!name_only) {
+ printf(" %-50s [%s]\n",
+ "rNNN",
+ event_type_descriptors[PERF_TYPE_RAW]);
+ printf(" %-50s [%s]\n",
+ "cpu/t1=v1[,t2=v2,t3 ...]/modifier",
+ event_type_descriptors[PERF_TYPE_RAW]);
+ if (pager_in_use())
+ printf(" (see 'man perf-list' on how to encode it)\n\n");
+
+ printf(" %-50s [%s]\n",
+ "mem:<addr>[/len][:access]",
+ event_type_descriptors[PERF_TYPE_BREAKPOINT]);
+ if (pager_in_use())
+ printf("\n");
+ }
+
+ print_tracepoint_events(NULL, NULL, name_only);
+
+ print_sdt_events(NULL, NULL, name_only);
+
+ metricgroup__print(true, true, NULL, name_only, details_flag,
+ pmu_name);
+
+ print_libpfm_events(name_only, long_desc);
+}
diff --git a/tools/perf/util/print-events.h b/tools/perf/util/print-events.h
new file mode 100644
index 000000000000..1da9910d83a6
--- /dev/null
+++ b/tools/perf/util/print-events.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_PRINT_EVENTS_H
+#define __PERF_PRINT_EVENTS_H
+
+#include <stdbool.h>
+
+struct event_symbol;
+
+void print_events(const char *event_glob, bool name_only, bool quiet_flag,
+ bool long_desc, bool details_flag, bool deprecated,
+ const char *pmu_name);
+int print_hwcache_events(const char *event_glob, bool name_only);
+void print_sdt_events(const char *subsys_glob, const char *event_glob,
+ bool name_only);
+void print_symbol_events(const char *event_glob, unsigned int type,
+ struct event_symbol *syms, unsigned int max,
+ bool name_only);
+void print_tool_events(const char *event_glob, bool name_only);
+void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
+ bool name_only);
+
+#endif /* __PERF_PRINT_EVENTS_H */
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index a65f65d0857e..892c323b4ac9 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -19,16 +19,24 @@
#include <linux/kernel.h>
#include <linux/zalloc.h>
#include <internal/lib.h> // page_size
+#include <sys/param.h>
#include "trace-event.h"
+#include "tracepoint.h"
#include <api/fs/tracing_path.h>
#include "evsel.h"
#include "debug.h"
#define VERSION "0.6"
+#define MAX_EVENT_LENGTH 512
static int output_fd;
+struct tracepoint_path {
+ char *system;
+ char *name;
+ struct tracepoint_path *next;
+};
int bigendian(void)
{
@@ -400,6 +408,94 @@ put_tracepoints_path(struct tracepoint_path *tps)
}
}
+static struct tracepoint_path *tracepoint_id_to_path(u64 config)
+{
+ struct tracepoint_path *path = NULL;
+ DIR *sys_dir, *evt_dir;
+ struct dirent *sys_dirent, *evt_dirent;
+ char id_buf[24];
+ int fd;
+ u64 id;
+ char evt_path[MAXPATHLEN];
+ char *dir_path;
+
+ sys_dir = tracing_events__opendir();
+ if (!sys_dir)
+ return NULL;
+
+ for_each_subsystem(sys_dir, sys_dirent) {
+ dir_path = get_events_file(sys_dirent->d_name);
+ if (!dir_path)
+ continue;
+ evt_dir = opendir(dir_path);
+ if (!evt_dir)
+ goto next;
+
+ for_each_event(dir_path, evt_dir, evt_dirent) {
+
+ scnprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path,
+ evt_dirent->d_name);
+ fd = open(evt_path, O_RDONLY);
+ if (fd < 0)
+ continue;
+ if (read(fd, id_buf, sizeof(id_buf)) < 0) {
+ close(fd);
+ continue;
+ }
+ close(fd);
+ id = atoll(id_buf);
+ if (id == config) {
+ put_events_file(dir_path);
+ closedir(evt_dir);
+ closedir(sys_dir);
+ path = zalloc(sizeof(*path));
+ if (!path)
+ return NULL;
+ if (asprintf(&path->system, "%.*s",
+ MAX_EVENT_LENGTH, sys_dirent->d_name) < 0) {
+ free(path);
+ return NULL;
+ }
+ if (asprintf(&path->name, "%.*s",
+ MAX_EVENT_LENGTH, evt_dirent->d_name) < 0) {
+ zfree(&path->system);
+ free(path);
+ return NULL;
+ }
+ return path;
+ }
+ }
+ closedir(evt_dir);
+next:
+ put_events_file(dir_path);
+ }
+
+ closedir(sys_dir);
+ return NULL;
+}
+
+static struct tracepoint_path *tracepoint_name_to_path(const char *name)
+{
+ struct tracepoint_path *path = zalloc(sizeof(*path));
+ char *str = strchr(name, ':');
+
+ if (path == NULL || str == NULL) {
+ free(path);
+ return NULL;
+ }
+
+ path->system = strndup(name, str - name);
+ path->name = strdup(str+1);
+
+ if (path->system == NULL || path->name == NULL) {
+ zfree(&path->system);
+ zfree(&path->name);
+ zfree(&path);
+ }
+
+ return path;
+}
+
static struct tracepoint_path *
get_tracepoints_path(struct list_head *pattrs)
{
diff --git a/tools/perf/util/tracepoint.c b/tools/perf/util/tracepoint.c
new file mode 100644
index 000000000000..89ef56c43311
--- /dev/null
+++ b/tools/perf/util/tracepoint.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "tracepoint.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/param.h>
+#include <unistd.h>
+
+#include <api/fs/tracing_path.h>
+
+int tp_event_has_id(const char *dir_path, struct dirent *evt_dir)
+{
+ char evt_path[MAXPATHLEN];
+ int fd;
+
+ snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, evt_dir->d_name);
+ fd = open(evt_path, O_RDONLY);
+ if (fd < 0)
+ return -EINVAL;
+ close(fd);
+
+ return 0;
+}
+
+/*
+ * Check whether event is in <debugfs_mount_point>/tracing/events
+ */
+int is_valid_tracepoint(const char *event_string)
+{
+ DIR *sys_dir, *evt_dir;
+ struct dirent *sys_dirent, *evt_dirent;
+ char evt_path[MAXPATHLEN];
+ char *dir_path;
+
+ sys_dir = tracing_events__opendir();
+ if (!sys_dir)
+ return 0;
+
+ for_each_subsystem(sys_dir, sys_dirent) {
+ dir_path = get_events_file(sys_dirent->d_name);
+ if (!dir_path)
+ continue;
+ evt_dir = opendir(dir_path);
+ if (!evt_dir)
+ goto next;
+
+ for_each_event(dir_path, evt_dir, evt_dirent) {
+ snprintf(evt_path, MAXPATHLEN, "%s:%s",
+ sys_dirent->d_name, evt_dirent->d_name);
+ if (!strcmp(evt_path, event_string)) {
+ closedir(evt_dir);
+ closedir(sys_dir);
+ return 1;
+ }
+ }
+ closedir(evt_dir);
+next:
+ put_events_file(dir_path);
+ }
+ closedir(sys_dir);
+ return 0;
+}
diff --git a/tools/perf/util/tracepoint.h b/tools/perf/util/tracepoint.h
new file mode 100644
index 000000000000..c4a110fe87d7
--- /dev/null
+++ b/tools/perf/util/tracepoint.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_TRACEPOINT_H
+#define __PERF_TRACEPOINT_H
+
+#include <dirent.h>
+#include <string.h>
+
+int tp_event_has_id(const char *dir_path, struct dirent *evt_dir);
+
+#define for_each_event(dir_path, evt_dir, evt_dirent) \
+ while ((evt_dirent = readdir(evt_dir)) != NULL) \
+ if (evt_dirent->d_type == DT_DIR && \
+ (strcmp(evt_dirent->d_name, ".")) && \
+ (strcmp(evt_dirent->d_name, "..")) && \
+ (!tp_event_has_id(dir_path, evt_dirent)))
+
+#define for_each_subsystem(sys_dir, sys_dirent) \
+ while ((sys_dirent = readdir(sys_dir)) != NULL) \
+ if (sys_dirent->d_type == DT_DIR && \
+ (strcmp(sys_dirent->d_name, ".")) && \
+ (strcmp(sys_dirent->d_name, "..")))
+
+int is_valid_tracepoint(const char *event_string);
+
+#endif /* __PERF_TRACEPOINT_H */
diff --git a/tools/testing/selftests/net/reuseport_bpf.c b/tools/testing/selftests/net/reuseport_bpf.c
index 072d709c96b4..65aea27d761c 100644
--- a/tools/testing/selftests/net/reuseport_bpf.c
+++ b/tools/testing/selftests/net/reuseport_bpf.c
@@ -328,7 +328,7 @@ static void test_extra_filter(const struct test_params p)
if (bind(fd1, addr, sockaddr_size()))
error(1, errno, "failed to bind recv socket 1");
- if (!bind(fd2, addr, sockaddr_size()) && errno != EADDRINUSE)
+ if (!bind(fd2, addr, sockaddr_size()) || errno != EADDRINUSE)
error(1, errno, "bind socket 2 should fail with EADDRINUSE");
free(addr);
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