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Date: Sun, 17 Jan 2021 14:39:08 +0100
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 5.10.8
diff --git a/Makefile b/Makefile
index 9b6c90eed5e9..4ee137b5d241 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
-SUBLEVEL = 7
+SUBLEVEL = 8
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/arch/Kconfig b/arch/Kconfig
index ddd4641446bd..69fe7133c765 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -1053,6 +1053,12 @@ config ARCH_WANT_LD_ORPHAN_WARN
by the linker, since the locations of such sections can change between linker
versions.
+config ARCH_SPLIT_ARG64
+ bool
+ help
+ If a 32-bit architecture requires 64-bit arguments to be split into
+ pairs of 32-bit arguments, select this option.
+
source "kernel/gcov/Kconfig"
source "scripts/gcc-plugins/Kconfig"
diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
index fc7bb2ca1672..64b23b0cd23c 100644
--- a/arch/arm/mach-omap2/omap_device.c
+++ b/arch/arm/mach-omap2/omap_device.c
@@ -230,10 +230,12 @@ static int _omap_device_notifier_call(struct notifier_block *nb,
break;
case BUS_NOTIFY_BIND_DRIVER:
od = to_omap_device(pdev);
- if (od && (od->_state == OMAP_DEVICE_STATE_ENABLED) &&
- pm_runtime_status_suspended(dev)) {
+ if (od) {
od->_driver_status = BUS_NOTIFY_BIND_DRIVER;
- pm_runtime_set_active(dev);
+ if (od->_state == OMAP_DEVICE_STATE_ENABLED &&
+ pm_runtime_status_suspended(dev)) {
+ pm_runtime_set_active(dev);
+ }
}
break;
case BUS_NOTIFY_ADD_DEVICE:
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index fce8cbecd6bc..a884d7773989 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -96,7 +96,8 @@
#endif /* CONFIG_ARM64_FORCE_52BIT */
extern phys_addr_t arm64_dma_phys_limit;
-#define ARCH_LOW_ADDRESS_LIMIT (arm64_dma_phys_limit - 1)
+extern phys_addr_t arm64_dma32_phys_limit;
+#define ARCH_LOW_ADDRESS_LIMIT ((arm64_dma_phys_limit ? : arm64_dma32_phys_limit) - 1)
struct debug_info {
#ifdef CONFIG_HAVE_HW_BREAKPOINT
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 6f36c4f62f69..0a52e076153b 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -2552,7 +2552,7 @@ static void verify_hyp_capabilities(void)
int parange, ipa_max;
unsigned int safe_vmid_bits, vmid_bits;
- if (!IS_ENABLED(CONFIG_KVM) || !IS_ENABLED(CONFIG_KVM_ARM_HOST))
+ if (!IS_ENABLED(CONFIG_KVM))
return;
safe_mmfr1 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 2b28bf1a5326..b246a4acba41 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -663,6 +663,10 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
{
u64 pmcr, val;
+ /* No PMU available, PMCR_EL0 may UNDEF... */
+ if (!kvm_arm_support_pmu_v3())
+ return;
+
pmcr = read_sysreg(pmcr_el0);
/*
* Writable bits of PMCR_EL0 (ARMV8_PMU_PMCR_MASK) are reset to UNKNOWN
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 095540667f0f..00576a960f11 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -60,7 +60,7 @@ EXPORT_SYMBOL(memstart_addr);
* bit addressable memory area.
*/
phys_addr_t arm64_dma_phys_limit __ro_after_init;
-static phys_addr_t arm64_dma32_phys_limit __ro_after_init;
+phys_addr_t arm64_dma32_phys_limit __ro_after_init;
#ifdef CONFIG_KEXEC_CORE
/*
diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S
index a0dda2a1f2df..d66da35f2e8d 100644
--- a/arch/powerpc/kernel/head_book3s_32.S
+++ b/arch/powerpc/kernel/head_book3s_32.S
@@ -262,10 +262,19 @@ __secondary_hold_acknowledge:
MachineCheck:
EXCEPTION_PROLOG_0
#ifdef CONFIG_PPC_CHRP
+#ifdef CONFIG_VMAP_STACK
+ mr r11, r1
+ mfspr r1, SPRN_SPRG_THREAD
+ lwz r1, RTAS_SP(r1)
+ cmpwi cr1, r1, 0
+ bne cr1, 7f
+ mr r1, r11
+#else
mfspr r11, SPRN_SPRG_THREAD
lwz r11, RTAS_SP(r11)
cmpwi cr1, r11, 0
bne cr1, 7f
+#endif
#endif /* CONFIG_PPC_CHRP */
EXCEPTION_PROLOG_1 for_rtas=1
7: EXCEPTION_PROLOG_2
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index fbf26e0f7a6a..3a5ecb1039bf 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -18,6 +18,7 @@ config X86_32
select MODULES_USE_ELF_REL
select OLD_SIGACTION
select GENERIC_VDSO_32
+ select ARCH_SPLIT_ARG64
config X86_64
def_bool y
diff --git a/block/genhd.c b/block/genhd.c
index 9387f050c248..ec6264e2ed67 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -256,14 +256,17 @@ struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter)
part = rcu_dereference(ptbl->part[piter->idx]);
if (!part)
continue;
+ get_device(part_to_dev(part));
+ piter->part = part;
if (!part_nr_sects_read(part) &&
!(piter->flags & DISK_PITER_INCL_EMPTY) &&
!(piter->flags & DISK_PITER_INCL_EMPTY_PART0 &&
- piter->idx == 0))
+ piter->idx == 0)) {
+ put_device(part_to_dev(part));
+ piter->part = NULL;
continue;
+ }
- get_device(part_to_dev(part));
- piter->part = part;
piter->idx += inc;
break;
}
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 8dfac7f3ed7a..ff2ee87987c7 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -582,8 +582,12 @@ void regmap_debugfs_init(struct regmap *map)
devname = dev_name(map->dev);
if (name) {
- map->debugfs_name = kasprintf(GFP_KERNEL, "%s-%s",
+ if (!map->debugfs_name) {
+ map->debugfs_name = kasprintf(GFP_KERNEL, "%s-%s",
devname, name);
+ if (!map->debugfs_name)
+ return;
+ }
name = map->debugfs_name;
} else {
name = devname;
@@ -591,9 +595,10 @@ void regmap_debugfs_init(struct regmap *map)
if (!strcmp(name, "dummy")) {
kfree(map->debugfs_name);
-
map->debugfs_name = kasprintf(GFP_KERNEL, "dummy%d",
dummy_index);
+ if (!map->debugfs_name)
+ return;
name = map->debugfs_name;
dummy_index++;
}
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index ecceaaa1a66f..f40ebe9f5047 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -451,6 +451,7 @@ config BLK_DEV_RBD
config BLK_DEV_RSXX
tristate "IBM Flash Adapter 900GB Full Height PCIe Device Driver"
depends on PCI
+ select CRC32
help
Device driver for IBM's high speed PCIe SSD
storage device: Flash Adapter 900GB Full Height.
diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c
index 7af1b60582fe..ba334fe7626d 100644
--- a/drivers/block/rnbd/rnbd-clt.c
+++ b/drivers/block/rnbd/rnbd-clt.c
@@ -1671,7 +1671,8 @@ static void rnbd_destroy_sessions(void)
*/
list_for_each_entry_safe(sess, sn, &sess_list, list) {
- WARN_ON(!rnbd_clt_get_sess(sess));
+ if (!rnbd_clt_get_sess(sess))
+ continue;
close_rtrs(sess);
list_for_each_entry_safe(dev, tn, &sess->devs_list, list) {
/*
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
index 0acc9e241cd7..b9ccb6a3dad9 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -878,9 +878,9 @@ static int get_transition_latency(struct powernow_k8_data *data)
/* Take a frequency, and issue the fid/vid transition command */
static int transition_frequency_fidvid(struct powernow_k8_data *data,
- unsigned int index)
+ unsigned int index,
+ struct cpufreq_policy *policy)
{
- struct cpufreq_policy *policy;
u32 fid = 0;
u32 vid = 0;
int res;
@@ -912,9 +912,6 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data,
freqs.old = find_khz_freq_from_fid(data->currfid);
freqs.new = find_khz_freq_from_fid(fid);
- policy = cpufreq_cpu_get(smp_processor_id());
- cpufreq_cpu_put(policy);
-
cpufreq_freq_transition_begin(policy, &freqs);
res = transition_fid_vid(data, fid, vid);
cpufreq_freq_transition_end(policy, &freqs, res);
@@ -969,7 +966,7 @@ static long powernowk8_target_fn(void *arg)
powernow_k8_acpi_pst_values(data, newstate);
- ret = transition_frequency_fidvid(data, newstate);
+ ret = transition_frequency_fidvid(data, newstate, pol);
if (ret) {
pr_err("transition frequency failed\n");
diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c
index b971505b8715..08d71dafa001 100644
--- a/drivers/dma/dw-edma/dw-edma-core.c
+++ b/drivers/dma/dw-edma/dw-edma-core.c
@@ -86,12 +86,12 @@ static struct dw_edma_chunk *dw_edma_alloc_chunk(struct dw_edma_desc *desc)
if (desc->chunk) {
/* Create and add new element into the linked list */
- desc->chunks_alloc++;
- list_add_tail(&chunk->list, &desc->chunk->list);
if (!dw_edma_alloc_burst(chunk)) {
kfree(chunk);
return NULL;
}
+ desc->chunks_alloc++;
+ list_add_tail(&chunk->list, &desc->chunk->list);
} else {
/* List head */
chunk->burst = NULL;
diff --git a/drivers/dma/mediatek/mtk-hsdma.c b/drivers/dma/mediatek/mtk-hsdma.c
index f133ae8dece1..6ad8afbb95f2 100644
--- a/drivers/dma/mediatek/mtk-hsdma.c
+++ b/drivers/dma/mediatek/mtk-hsdma.c
@@ -1007,6 +1007,7 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
return 0;
err_free:
+ mtk_hsdma_hw_deinit(hsdma);
of_dma_controller_free(pdev->dev.of_node);
err_unregister:
dma_async_device_unregister(dd);
diff --git a/drivers/dma/milbeaut-xdmac.c b/drivers/dma/milbeaut-xdmac.c
index 85a597228fb0..748b260bbc97 100644
--- a/drivers/dma/milbeaut-xdmac.c
+++ b/drivers/dma/milbeaut-xdmac.c
@@ -351,7 +351,7 @@ static int milbeaut_xdmac_probe(struct platform_device *pdev)
ret = dma_async_device_register(ddev);
if (ret)
- return ret;
+ goto disable_xdmac;
ret = of_dma_controller_register(dev->of_node,
of_dma_simple_xlate, mdev);
@@ -364,6 +364,8 @@ static int milbeaut_xdmac_probe(struct platform_device *pdev)
unregister_dmac:
dma_async_device_unregister(ddev);
+disable_xdmac:
+ disable_xdmac(mdev);
return ret;
}
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index 22faea653ea8..79777550a6ff 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -2781,7 +2781,7 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
has_dre = false;
if (!has_dre)
- xdev->common.copy_align = fls(width - 1);
+ xdev->common.copy_align = (enum dmaengine_alignment)fls(width - 1);
if (of_device_is_compatible(node, "xlnx,axi-vdma-mm2s-channel") ||
of_device_is_compatible(node, "xlnx,axi-dma-mm2s-channel") ||
@@ -2900,7 +2900,8 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
static int xilinx_dma_child_probe(struct xilinx_dma_device *xdev,
struct device_node *node)
{
- int ret, i, nr_channels = 1;
+ int ret, i;
+ u32 nr_channels = 1;
ret = of_property_read_u32(node, "dma-channels", &nr_channels);
if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA && ret < 0)
@@ -3112,7 +3113,11 @@ static int xilinx_dma_probe(struct platform_device *pdev)
}
/* Register the DMA engine with the core */
- dma_async_device_register(&xdev->common);
+ err = dma_async_device_register(&xdev->common);
+ if (err) {
+ dev_err(xdev->dev, "failed to register the dma device\n");
+ goto error;
+ }
err = of_dma_controller_register(node, of_dma_xilinx_xlate,
xdev);
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 3d4bf9b6a0a2..06d4ce31838a 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1382,6 +1382,9 @@ struct intel_dp {
bool ycbcr_444_to_420;
} dfp;
+ /* To control wakeup latency, e.g. for irq-driven dp aux transfers. */
+ struct pm_qos_request pm_qos;
+
/* Display stream compression testing */
bool force_dsc_en;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 9bc59fd2f95f..1901c88d418f 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1411,7 +1411,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
* lowest possible wakeup latency and so prevent the cpu from going into
* deep sleep states.
*/
- cpu_latency_qos_update_request(&i915->pm_qos, 0);
+ cpu_latency_qos_update_request(&intel_dp->pm_qos, 0);
intel_dp_check_edp(intel_dp);
@@ -1544,7 +1544,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
ret = recv_bytes;
out:
- cpu_latency_qos_update_request(&i915->pm_qos, PM_QOS_DEFAULT_VALUE);
+ cpu_latency_qos_update_request(&intel_dp->pm_qos, PM_QOS_DEFAULT_VALUE);
if (vdd)
edp_panel_vdd_off(intel_dp, false);
@@ -1776,6 +1776,9 @@ static i915_reg_t skl_aux_data_reg(struct intel_dp *intel_dp, int index)
static void
intel_dp_aux_fini(struct intel_dp *intel_dp)
{
+ if (cpu_latency_qos_request_active(&intel_dp->pm_qos))
+ cpu_latency_qos_remove_request(&intel_dp->pm_qos);
+
kfree(intel_dp->aux.name);
}
@@ -1818,6 +1821,7 @@ intel_dp_aux_init(struct intel_dp *intel_dp)
aux_ch_name(dig_port->aux_ch),
port_name(encoder->port));
intel_dp->aux.transfer = intel_dp_aux_transfer;
+ cpu_latency_qos_add_request(&intel_dp->pm_qos, PM_QOS_DEFAULT_VALUE);
}
bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index acc32066cec3..382cf048eefe 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -577,8 +577,6 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv)
pci_set_master(pdev);
- cpu_latency_qos_add_request(&dev_priv->pm_qos, PM_QOS_DEFAULT_VALUE);
-
intel_gt_init_workarounds(dev_priv);
/* On the 945G/GM, the chipset reports the MSI capability on the
@@ -623,7 +621,6 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv)
err_msi:
if (pdev->msi_enabled)
pci_disable_msi(pdev);
- cpu_latency_qos_remove_request(&dev_priv->pm_qos);
err_mem_regions:
intel_memory_regions_driver_release(dev_priv);
err_ggtt:
@@ -645,8 +642,6 @@ static void i915_driver_hw_remove(struct drm_i915_private *dev_priv)
if (pdev->msi_enabled)
pci_disable_msi(pdev);
-
- cpu_latency_qos_remove_request(&dev_priv->pm_qos);
}
/**
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 8426d5974669..83f4af097b85 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -892,9 +892,6 @@ struct drm_i915_private {
bool display_irqs_enabled;
- /* To control wakeup latency, e.g. for irq-driven dp aux transfers. */
- struct pm_qos_request pm_qos;
-
/* Sideband mailbox protection */
struct mutex sb_lock;
struct pm_qos_request sb_qos;
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
index 1ce2001106e5..04e6f6f9b742 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -617,6 +617,8 @@ int panfrost_job_init(struct panfrost_device *pfdev)
}
for (j = 0; j < NUM_JOB_SLOTS; j++) {
+ mutex_init(&js->queue[j].lock);
+
js->queue[j].fence_context = dma_fence_context_alloc(1);
ret = drm_sched_init(&js->queue[j].sched,
@@ -647,8 +649,10 @@ void panfrost_job_fini(struct panfrost_device *pfdev)
job_write(pfdev, JOB_INT_MASK, 0);
- for (j = 0; j < NUM_JOB_SLOTS; j++)
+ for (j = 0; j < NUM_JOB_SLOTS; j++) {
drm_sched_fini(&js->queue[j].sched);
+ mutex_destroy(&js->queue[j].lock);
+ }
}
@@ -660,7 +664,6 @@ int panfrost_job_open(struct panfrost_file_priv *panfrost_priv)
int ret, i;
for (i = 0; i < NUM_JOB_SLOTS; i++) {
- mutex_init(&js->queue[i].lock);
sched = &js->queue[i].sched;
ret = drm_sched_entity_init(&panfrost_priv->sched_entity[i],
DRM_SCHED_PRIORITY_NORMAL, &sched,
@@ -673,14 +676,10 @@ int panfrost_job_open(struct panfrost_file_priv *panfrost_priv)
void panfrost_job_close(struct panfrost_file_priv *panfrost_priv)
{
- struct panfrost_device *pfdev = panfrost_priv->pfdev;
- struct panfrost_job_slot *js = pfdev->js;
int i;
- for (i = 0; i < NUM_JOB_SLOTS; i++) {
+ for (i = 0; i < NUM_JOB_SLOTS; i++)
drm_sched_entity_destroy(&panfrost_priv->sched_entity[i]);
- mutex_destroy(&js->queue[i].lock);
- }
}
int panfrost_job_is_idle(struct panfrost_device *pfdev)
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index cd71e7133944..9e852b4bbf92 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -1270,6 +1270,37 @@ static int wacom_devm_sysfs_create_group(struct wacom *wacom,
group);
}
+static void wacom_devm_kfifo_release(struct device *dev, void *res)
+{
+ struct kfifo_rec_ptr_2 *devres = res;
+
+ kfifo_free(devres);
+}
+
+static int wacom_devm_kfifo_alloc(struct wacom *wacom)
+{
+ struct wacom_wac *wacom_wac = &wacom->wacom_wac;
+ struct kfifo_rec_ptr_2 *pen_fifo = &wacom_wac->pen_fifo;
+ int error;
+
+ pen_fifo = devres_alloc(wacom_devm_kfifo_release,
+ sizeof(struct kfifo_rec_ptr_2),
+ GFP_KERNEL);
+
+ if (!pen_fifo)
+ return -ENOMEM;
+
+ error = kfifo_alloc(pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL);
+ if (error) {
+ devres_free(pen_fifo);
+ return error;
+ }
+
+ devres_add(&wacom->hdev->dev, pen_fifo);
+
+ return 0;
+}
+
enum led_brightness wacom_leds_brightness_get(struct wacom_led *led)
{
struct wacom *wacom = led->wacom;
@@ -2724,7 +2755,7 @@ static int wacom_probe(struct hid_device *hdev,
if (features->check_for_hid_type && features->hid_type != hdev->type)
return -ENODEV;
- error = kfifo_alloc(&wacom_wac->pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL);
+ error = wacom_devm_kfifo_alloc(wacom);
if (error)
return error;
@@ -2786,8 +2817,6 @@ static void wacom_remove(struct hid_device *hdev)
if (wacom->wacom_wac.features.type != REMOTE)
wacom_release_resources(wacom);
-
- kfifo_free(&wacom_wac->pen_fifo);
}
#ifdef CONFIG_PM
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index ae90713443fa..877fe3733a42 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1449,7 +1449,7 @@ static int i801_add_mux(struct i801_priv *priv)
/* Register GPIO descriptor lookup table */
lookup = devm_kzalloc(dev,
- struct_size(lookup, table, mux_config->n_gpios),
+ struct_size(lookup, table, mux_config->n_gpios + 1),
GFP_KERNEL);
if (!lookup)
return -ENOMEM;
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 33de99b7bc20..0818d3e50734 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -38,6 +38,7 @@
#define I2C_IO_CONFIG_OPEN_DRAIN 0x0003
#define I2C_IO_CONFIG_PUSH_PULL 0x0000
#define I2C_SOFT_RST 0x0001
+#define I2C_HANDSHAKE_RST 0x0020
#define I2C_FIFO_ADDR_CLR 0x0001
#define I2C_DELAY_LEN 0x0002
#define I2C_TIME_CLR_VALUE 0x0000
@@ -45,6 +46,7 @@
#define I2C_WRRD_TRANAC_VALUE 0x0002
#define I2C_RD_TRANAC_VALUE 0x0001
#define I2C_SCL_MIS_COMP_VALUE 0x0000
+#define I2C_CHN_CLR_FLAG 0x0000
#define I2C_DMA_CON_TX 0x0000
#define I2C_DMA_CON_RX 0x0001
@@ -54,7 +56,9 @@
#define I2C_DMA_START_EN 0x0001
#define I2C_DMA_INT_FLAG_NONE 0x0000
#define I2C_DMA_CLR_FLAG 0x0000
+#define I2C_DMA_WARM_RST 0x0001
#define I2C_DMA_HARD_RST 0x0002
+#define I2C_DMA_HANDSHAKE_RST 0x0004
#define MAX_SAMPLE_CNT_DIV 8
#define MAX_STEP_CNT_DIV 64
@@ -475,11 +479,24 @@ static void mtk_i2c_init_hw(struct mtk_i2c *i2c)
{
u16 control_reg;
- writel(I2C_DMA_HARD_RST, i2c->pdmabase + OFFSET_RST);
- udelay(50);
- writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
-
- mtk_i2c_writew(i2c, I2C_SOFT_RST, OFFSET_SOFTRESET);
+ if (i2c->dev_comp->dma_sync) {
+ writel(I2C_DMA_WARM_RST, i2c->pdmabase + OFFSET_RST);
+ udelay(10);
+ writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
+ udelay(10);
+ writel(I2C_DMA_HANDSHAKE_RST | I2C_DMA_HARD_RST,
+ i2c->pdmabase + OFFSET_RST);
+ mtk_i2c_writew(i2c, I2C_HANDSHAKE_RST | I2C_SOFT_RST,
+ OFFSET_SOFTRESET);
+ udelay(10);
+ writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
+ mtk_i2c_writew(i2c, I2C_CHN_CLR_FLAG, OFFSET_SOFTRESET);
+ } else {
+ writel(I2C_DMA_HARD_RST, i2c->pdmabase + OFFSET_RST);
+ udelay(50);
+ writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
+ mtk_i2c_writew(i2c, I2C_SOFT_RST, OFFSET_SOFTRESET);
+ }
/* Set ioconfig */
if (i2c->use_push_pull)
diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c
index 19cda6742423..2917fecf6c80 100644
--- a/drivers/i2c/busses/i2c-sprd.c
+++ b/drivers/i2c/busses/i2c-sprd.c
@@ -72,6 +72,8 @@
/* timeout (ms) for pm runtime autosuspend */
#define SPRD_I2C_PM_TIMEOUT 1000
+/* timeout (ms) for transfer message */
+#define I2C_XFER_TIMEOUT 1000
/* SPRD i2c data structure */
struct sprd_i2c {
@@ -244,6 +246,7 @@ static int sprd_i2c_handle_msg(struct i2c_adapter *i2c_adap,
struct i2c_msg *msg, bool is_last_msg)
{
struct sprd_i2c *i2c_dev = i2c_adap->algo_data;
+ unsigned long time_left;
i2c_dev->msg = msg;
i2c_dev->buf = msg->buf;
@@ -273,7 +276,10 @@ static int sprd_i2c_handle_msg(struct i2c_adapter *i2c_adap,
sprd_i2c_opt_start(i2c_dev);
- wait_for_completion(&i2c_dev->complete);
+ time_left = wait_for_completion_timeout(&i2c_dev->complete,
+ msecs_to_jiffies(I2C_XFER_TIMEOUT));
+ if (!time_left)
+ return -ETIMEDOUT;
return i2c_dev->err;
}
diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
index 7dd3b6097226..174b19e39712 100644
--- a/drivers/infiniband/hw/hns/hns_roce_ah.c
+++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
@@ -36,9 +36,6 @@
#include <rdma/ib_cache.h>
#include "hns_roce_device.h"
-#define VLAN_SL_MASK 7
-#define VLAN_SL_SHIFT 13
-
static inline u16 get_ah_udp_sport(const struct rdma_ah_attr *ah_attr)
{
u32 fl = ah_attr->grh.flow_label;
@@ -81,18 +78,12 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
/* HIP08 needs to record vlan info in Address Vector */
if (hr_dev->pci_dev->revision <= PCI_REVISION_ID_HIP08) {
- ah->av.vlan_en = 0;
-
ret = rdma_read_gid_l2_fields(ah_attr->grh.sgid_attr,
&ah->av.vlan_id, NULL);
if (ret)
return ret;
- if (ah->av.vlan_id < VLAN_N_VID) {
- ah->av.vlan_en = 1;
- ah->av.vlan_id |= (rdma_ah_get_sl(ah_attr) & VLAN_SL_MASK) <<
- VLAN_SL_SHIFT;
- }
+ ah->av.vlan_en = ah->av.vlan_id < VLAN_N_VID;
}
return ret;
diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c
index 41dba7090c2a..e398ebf1dbba 100644
--- a/drivers/interconnect/imx/imx.c
+++ b/drivers/interconnect/imx/imx.c
@@ -99,6 +99,7 @@ static int imx_icc_node_init_qos(struct icc_provider *provider,
if (!dn || !of_device_is_available(dn)) {
dev_warn(dev, "Missing property %s, skip scaling %s\n",
adj->phandle_name, node->name);
+ of_node_put(dn);
return 0;
}
diff --git a/drivers/interconnect/qcom/Kconfig b/drivers/interconnect/qcom/Kconfig
index a8f93ba265f8..b3fb5b02bcf1 100644
--- a/drivers/interconnect/qcom/Kconfig
+++ b/drivers/interconnect/qcom/Kconfig
@@ -42,13 +42,23 @@ config INTERCONNECT_QCOM_QCS404
This is a driver for the Qualcomm Network-on-Chip on qcs404-based
platforms.
+config INTERCONNECT_QCOM_RPMH_POSSIBLE
+ tristate
+ default INTERCONNECT_QCOM
+ depends on QCOM_RPMH || (COMPILE_TEST && !QCOM_RPMH)
+ depends on QCOM_COMMAND_DB || (COMPILE_TEST && !QCOM_COMMAND_DB)
+ depends on OF || COMPILE_TEST
+ help
+ Compile-testing RPMH drivers is possible on other platforms,
+ but in order to avoid link failures, drivers must not be built-in
+ when QCOM_RPMH or QCOM_COMMAND_DB are loadable modules
+
config INTERCONNECT_QCOM_RPMH
tristate
config INTERCONNECT_QCOM_SC7180
tristate "Qualcomm SC7180 interconnect driver"
- depends on INTERCONNECT_QCOM
- depends on (QCOM_RPMH && QCOM_COMMAND_DB && OF) || COMPILE_TEST
+ depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
select INTERCONNECT_QCOM_RPMH
select INTERCONNECT_QCOM_BCM_VOTER
help
@@ -57,8 +67,7 @@ config INTERCONNECT_QCOM_SC7180
config INTERCONNECT_QCOM_SDM845
tristate "Qualcomm SDM845 interconnect driver"
- depends on INTERCONNECT_QCOM
- depends on (QCOM_RPMH && QCOM_COMMAND_DB && OF) || COMPILE_TEST
+ depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
select INTERCONNECT_QCOM_RPMH
select INTERCONNECT_QCOM_BCM_VOTER
help
@@ -67,8 +76,7 @@ config INTERCONNECT_QCOM_SDM845
config INTERCONNECT_QCOM_SM8150
tristate "Qualcomm SM8150 interconnect driver"
- depends on INTERCONNECT_QCOM
- depends on (QCOM_RPMH && QCOM_COMMAND_DB && OF) || COMPILE_TEST
+ depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
select INTERCONNECT_QCOM_RPMH
select INTERCONNECT_QCOM_BCM_VOTER
help
@@ -77,8 +85,7 @@ config INTERCONNECT_QCOM_SM8150
config INTERCONNECT_QCOM_SM8250
tristate "Qualcomm SM8250 interconnect driver"
- depends on INTERCONNECT_QCOM
- depends on (QCOM_RPMH && QCOM_COMMAND_DB && OF) || COMPILE_TEST
+ depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
select INTERCONNECT_QCOM_RPMH
select INTERCONNECT_QCOM_BCM_VOTER
help
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index ef37ccfa8256..0eba5e883e3f 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -55,6 +55,8 @@ static int qcom_smmu_cfg_probe(struct arm_smmu_device *smmu)
set_bit(qsmmu->bypass_cbndx, smmu->context_map);
+ arm_smmu_cb_write(smmu, qsmmu->bypass_cbndx, ARM_SMMU_CB_SCTLR, 0);
+
reg = FIELD_PREP(ARM_SMMU_CBAR_TYPE, CBAR_TYPE_S1_TRANS_S2_BYPASS);
arm_smmu_gr1_write(smmu, ARM_SMMU_GR1_CBAR(qsmmu->bypass_cbndx), reg);
}
diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c
index b46dbfa6d0ed..004feaed3c72 100644
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -1461,8 +1461,8 @@ void qi_flush_piotlb(struct intel_iommu *iommu, u16 did, u32 pasid, u64 addr,
int mask = ilog2(__roundup_pow_of_two(npages));
unsigned long align = (1ULL << (VTD_PAGE_SHIFT + mask));
- if (WARN_ON_ONCE(!ALIGN(addr, align)))
- addr &= ~(align - 1);
+ if (WARN_ON_ONCE(!IS_ALIGNED(addr, align)))
+ addr = ALIGN_DOWN(addr, align);
desc.qw0 = QI_EIOTLB_PASID(pasid) |
QI_EIOTLB_DID(did) |
diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c
index 0cfce1d3b7bb..aedaae4630bc 100644
--- a/drivers/iommu/intel/irq_remapping.c
+++ b/drivers/iommu/intel/irq_remapping.c
@@ -1390,6 +1390,8 @@ static int intel_irq_remapping_alloc(struct irq_domain *domain,
irq_data = irq_domain_get_irq_data(domain, virq + i);
irq_cfg = irqd_cfg(irq_data);
if (!irq_data || !irq_cfg) {
+ if (!i)
+ kfree(data);
ret = -EINVAL;
goto out_free_data;
}
diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig
index 8f39f9ba5c80..4c2ce210c123 100644
--- a/drivers/lightnvm/Kconfig
+++ b/drivers/lightnvm/Kconfig
@@ -19,6 +19,7 @@ if NVM
config NVM_PBLK
tristate "Physical Block Device Open-Channel SSD target"
+ select CRC32
help
Allows an open-channel SSD to be exposed as a block device to the
host. The target assumes the device exposes raw flash and must be
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index aa4531c2ce0d..a148b92ad856 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1341,6 +1341,12 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
bcache_device_link(&dc->disk, c, "bdev");
atomic_inc(&c->attached_dev_nr);
+ if (bch_has_feature_obso_large_bucket(&(c->cache->sb))) {
+ pr_err("The obsoleted large bucket layout is unsupported, set the bcache device into read-only\n");
+ pr_err("Please update to the latest bcache-tools to create the cache device\n");
+ set_disk_ro(dc->disk.disk, 1);
+ }
+
/* Allow the writeback thread to proceed */
up_write(&dc->writeback_lock);
@@ -1564,6 +1570,12 @@ static int flash_dev_run(struct cache_set *c, struct uuid_entry *u)
bcache_device_link(d, c, "volume");
+ if (bch_has_feature_obso_large_bucket(&c->cache->sb)) {
+ pr_err("The obsoleted large bucket layout is unsupported, set the bcache device into read-only\n");
+ pr_err("Please update to the latest bcache-tools to create the cache device\n");
+ set_disk_ro(d->disk, 1);
+ }
+
return 0;
err:
kobject_put(&d->kobj);
@@ -2123,6 +2135,9 @@ static int run_cache_set(struct cache_set *c)
c->cache->sb.last_mount = (u32)ktime_get_real_seconds();
bcache_write_super(c);
+ if (bch_has_feature_obso_large_bucket(&c->cache->sb))
+ pr_err("Detect obsoleted large bucket layout, all attached bcache device will be read-only\n");
+
list_for_each_entry_safe(dc, t, &uncached_devices, list)
bch_cached_dev_attach(dc, c, NULL);
diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c
index 3b320f3d48b3..59c1724bcd0e 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -645,11 +645,20 @@ static int bareudp_link_config(struct net_device *dev,
return 0;
}
+static void bareudp_dellink(struct net_device *dev, struct list_head *head)
+{
+ struct bareudp_dev *bareudp = netdev_priv(dev);
+
+ list_del(&bareudp->next);
+ unregister_netdevice_queue(dev, head);
+}
+
static int bareudp_newlink(struct net *net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[],
struct netlink_ext_ack *extack)
{
struct bareudp_conf conf;
+ LIST_HEAD(list_kill);
int err;
err = bareudp2info(data, &conf, extack);
@@ -662,17 +671,14 @@ static int bareudp_newlink(struct net *net, struct net_device *dev,
err = bareudp_link_config(dev, tb);
if (err)
- return err;
+ goto err_unconfig;
return 0;
-}
-
-static void bareudp_dellink(struct net_device *dev, struct list_head *head)
-{
- struct bareudp_dev *bareudp = netdev_priv(dev);
- list_del(&bareudp->next);
- unregister_netdevice_queue(dev, head);
+err_unconfig:
+ bareudp_dellink(dev, &list_kill);
+ unregister_netdevice_many(&list_kill);
+ return err;
}
static size_t bareudp_get_size(const struct net_device *dev)
diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index 424970939fd4..1c28eade6bec 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -123,6 +123,7 @@ config CAN_JANZ_ICAN3
config CAN_KVASER_PCIEFD
depends on PCI
tristate "Kvaser PCIe FD cards"
+ select CRC32
help
This is a driver for the Kvaser PCI Express CAN FD family.
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 7fc4ac1582af..3c1e37975168 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1914,8 +1914,6 @@ EXPORT_SYMBOL_GPL(m_can_class_resume);
void m_can_class_unregister(struct m_can_classdev *m_can_dev)
{
unregister_candev(m_can_dev->net);
-
- m_can_clk_stop(m_can_dev);
}
EXPORT_SYMBOL_GPL(m_can_class_unregister);
diff --git a/drivers/net/can/m_can/tcan4x5x.c b/drivers/net/can/m_can/tcan4x5x.c
index 7347ab39c5b6..f726c5112294 100644
--- a/drivers/net/can/m_can/tcan4x5x.c
+++ b/drivers/net/can/m_can/tcan4x5x.c
@@ -129,30 +129,6 @@ struct tcan4x5x_priv {
int reg_offset;
};
-static struct can_bittiming_const tcan4x5x_bittiming_const = {
- .name = DEVICE_NAME,
- .tseg1_min = 2,
- .tseg1_max = 31,
- .tseg2_min = 2,
- .tseg2_max = 16,
- .sjw_max = 16,
- .brp_min = 1,
- .brp_max = 32,
- .brp_inc = 1,
-};
-
-static struct can_bittiming_const tcan4x5x_data_bittiming_const = {
- .name = DEVICE_NAME,
- .tseg1_min = 1,
- .tseg1_max = 32,
- .tseg2_min = 1,
- .tseg2_max = 16,
- .sjw_max = 16,
- .brp_min = 1,
- .brp_max = 32,
- .brp_inc = 1,
-};
-
static void tcan4x5x_check_wake(struct tcan4x5x_priv *priv)
{
int wake_state = 0;
@@ -479,8 +455,6 @@ static int tcan4x5x_can_probe(struct spi_device *spi)
mcan_class->dev = &spi->dev;
mcan_class->ops = &tcan4x5x_ops;
mcan_class->is_peripheral = true;
- mcan_class->bit_timing = &tcan4x5x_bittiming_const;
- mcan_class->data_timing = &tcan4x5x_data_bittiming_const;
mcan_class->net->irq = spi->irq;
spi_set_drvdata(spi, priv);
diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c
index 4b36d89bec06..662e68a0e7e6 100644
--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -1436,11 +1436,12 @@ static void gswip_phylink_validate(struct dsa_switch *ds, int port,
phylink_set(mask, Pause);
phylink_set(mask, Asym_Pause);
- /* With the exclusion of MII and Reverse MII, we support Gigabit,
- * including Half duplex
+ /* With the exclusion of MII, Reverse MII and Reduced MII, we
+ * support Gigabit, including Half duplex
*/
if (state->interface != PHY_INTERFACE_MODE_MII &&
- state->interface != PHY_INTERFACE_MODE_REVMII) {
+ state->interface != PHY_INTERFACE_MODE_REVMII &&
+ state->interface != PHY_INTERFACE_MODE_RMII) {
phylink_set(mask, 1000baseT_Full);
phylink_set(mask, 1000baseT_Half);
}
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
index 50e3a70e5a29..07a956098e11 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
+++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
@@ -621,7 +621,7 @@ static void chtls_reset_synq(struct listen_ctx *listen_ctx)
while (!skb_queue_empty(&listen_ctx->synq)) {
struct chtls_sock *csk =
- container_of((struct synq *)__skb_dequeue
+ container_of((struct synq *)skb_peek
(&listen_ctx->synq), struct chtls_sock, synq);
struct sock *child = csk->sk;
@@ -1109,6 +1109,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
const struct cpl_pass_accept_req *req,
struct chtls_dev *cdev)
{
+ struct adapter *adap = pci_get_drvdata(cdev->pdev);
struct neighbour *n = NULL;
struct inet_sock *newinet;
const struct iphdr *iph;
@@ -1118,9 +1119,10 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
struct dst_entry *dst;
struct tcp_sock *tp;
struct sock *newsk;
+ bool found = false;
u16 port_id;
int rxq_idx;
- int step;
+ int step, i;
iph = (const struct iphdr *)network_hdr;
newsk = tcp_create_openreq_child(lsk, oreq, cdev->askb);
@@ -1152,7 +1154,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
n = dst_neigh_lookup(dst, &ip6h->saddr);
#endif
}
- if (!n)
+ if (!n || !n->dev)
goto free_sk;
ndev = n->dev;
@@ -1161,6 +1163,13 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
if (is_vlan_dev(ndev))
ndev = vlan_dev_real_dev(ndev);
+ for_each_port(adap, i)
+ if (cdev->ports[i] == ndev)
+ found = true;
+
+ if (!found)
+ goto free_dst;
+
port_id = cxgb4_port_idx(ndev);
csk = chtls_sock_create(cdev);
@@ -1237,6 +1246,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
free_csk:
chtls_sock_release(&csk->kref);
free_dst:
+ neigh_release(n);
dst_release(dst);
free_sk:
inet_csk_prepare_forced_close(newsk);
@@ -1386,7 +1396,7 @@ static void chtls_pass_accept_request(struct sock *sk,
newsk = chtls_recv_sock(sk, oreq, network_hdr, req, cdev);
if (!newsk)
- goto free_oreq;
+ goto reject;
if (chtls_get_module(newsk))
goto reject;
@@ -1402,8 +1412,6 @@ static void chtls_pass_accept_request(struct sock *sk,
kfree_skb(skb);
return;
-free_oreq:
- chtls_reqsk_free(oreq);
reject:
mk_tid_release(reply_skb, 0, tid);
cxgb4_ofld_send(cdev->lldi->ports[0], reply_skb);
@@ -1588,6 +1596,11 @@ static int chtls_pass_establish(struct chtls_dev *cdev, struct sk_buff *skb)
sk_wake_async(sk, 0, POLL_OUT);
data = lookup_stid(cdev->tids, stid);
+ if (!data) {
+ /* listening server close */
+ kfree_skb(skb);
+ goto unlock;
+ }
lsk = ((struct listen_ctx *)data)->lsk;
bh_lock_sock(lsk);
@@ -1996,39 +2009,6 @@ static void t4_defer_reply(struct sk_buff *skb, struct chtls_dev *cdev,
spin_unlock_bh(&cdev->deferq.lock);
}
-static void send_abort_rpl(struct sock *sk, struct sk_buff *skb,
- struct chtls_dev *cdev, int status, int queue)
-{
- struct cpl_abort_req_rss *req = cplhdr(skb);
- struct sk_buff *reply_skb;
- struct chtls_sock *csk;
-
- csk = rcu_dereference_sk_user_data(sk);
-
- reply_skb = alloc_skb(sizeof(struct cpl_abort_rpl),
- GFP_KERNEL);
-
- if (!reply_skb) {
- req->status = (queue << 1);
- t4_defer_reply(skb, cdev, send_defer_abort_rpl);
- return;
- }
-
- set_abort_rpl_wr(reply_skb, GET_TID(req), status);
- kfree_skb(skb);
-
- set_wr_txq(reply_skb, CPL_PRIORITY_DATA, queue);
- if (csk_conn_inline(csk)) {
- struct l2t_entry *e = csk->l2t_entry;
-
- if (e && sk->sk_state != TCP_SYN_RECV) {
- cxgb4_l2t_send(csk->egress_dev, reply_skb, e);
- return;
- }
- }
- cxgb4_ofld_send(cdev->lldi->ports[0], reply_skb);
-}
-
static void chtls_send_abort_rpl(struct sock *sk, struct sk_buff *skb,
struct chtls_dev *cdev,
int status, int queue)
@@ -2077,9 +2057,9 @@ static void bl_abort_syn_rcv(struct sock *lsk, struct sk_buff *skb)
queue = csk->txq_idx;
skb->sk = NULL;
+ chtls_send_abort_rpl(child, skb, BLOG_SKB_CB(skb)->cdev,
+ CPL_ABORT_NO_RST, queue);
do_abort_syn_rcv(child, lsk);
- send_abort_rpl(child, skb, BLOG_SKB_CB(skb)->cdev,
- CPL_ABORT_NO_RST, queue);
}
static int abort_syn_rcv(struct sock *sk, struct sk_buff *skb)
@@ -2109,8 +2089,8 @@ static int abort_syn_rcv(struct sock *sk, struct sk_buff *skb)
if (!sock_owned_by_user(psk)) {
int queue = csk->txq_idx;
+ chtls_send_abort_rpl(sk, skb, cdev, CPL_ABORT_NO_RST, queue);
do_abort_syn_rcv(sk, psk);
- send_abort_rpl(sk, skb, cdev, CPL_ABORT_NO_RST, queue);
} else {
skb->sk = sk;
BLOG_SKB_CB(skb)->backlog_rcv = bl_abort_syn_rcv;
@@ -2128,9 +2108,6 @@ static void chtls_abort_req_rss(struct sock *sk, struct sk_buff *skb)
int queue = csk->txq_idx;
if (is_neg_adv(req->status)) {
- if (sk->sk_state == TCP_SYN_RECV)
- chtls_set_tcb_tflag(sk, 0, 0);
-
kfree_skb(skb);
return;
}
@@ -2157,12 +2134,12 @@ static void chtls_abort_req_rss(struct sock *sk, struct sk_buff *skb)
if (sk->sk_state == TCP_SYN_RECV && !abort_syn_rcv(sk, skb))
return;
- chtls_release_resources(sk);
- chtls_conn_done(sk);
}
chtls_send_abort_rpl(sk, skb, BLOG_SKB_CB(skb)->cdev,
rst_status, queue);
+ chtls_release_resources(sk);
+ chtls_conn_done(sk);
}
static void chtls_abort_rpl_rss(struct sock *sk, struct sk_buff *skb)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
index 1ffe8fac702d..98a9f5e3fe86 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
@@ -168,7 +168,7 @@ struct hclgevf_mbx_arq_ring {
#define hclge_mbx_ring_ptr_move_crq(crq) \
(crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num)
#define hclge_mbx_tail_ptr_move_arq(arq) \
- (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
+ (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
#define hclge_mbx_head_ptr_move_arq(arq) \
- (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
+ (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
#endif
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 1f026408ad38..4321132a4f63 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -752,7 +752,8 @@ static int hclge_get_sset_count(struct hnae3_handle *handle, int stringset)
handle->flags |= HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
handle->flags |= HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
- if (hdev->hw.mac.phydev) {
+ if (hdev->hw.mac.phydev && hdev->hw.mac.phydev->drv &&
+ hdev->hw.mac.phydev->drv->set_loopback) {
count += 1;
handle->flags |= HNAE3_SUPPORT_PHY_LOOPBACK;
}
@@ -4484,8 +4485,8 @@ static int hclge_set_rss_tuple(struct hnae3_handle *handle,
req->ipv4_sctp_en = tuple_sets;
break;
case SCTP_V6_FLOW:
- if ((nfc->data & RXH_L4_B_0_1) ||
- (nfc->data & RXH_L4_B_2_3))
+ if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 &&
+ (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)))
return -EINVAL;
req->ipv6_sctp_en = tuple_sets;
@@ -4665,6 +4666,8 @@ static void hclge_rss_init_cfg(struct hclge_dev *hdev)
vport[i].rss_tuple_sets.ipv6_udp_en =
HCLGE_RSS_INPUT_TUPLE_OTHER;
vport[i].rss_tuple_sets.ipv6_sctp_en =
+ hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 ?
+ HCLGE_RSS_INPUT_TUPLE_SCTP_NO_PORT :
HCLGE_RSS_INPUT_TUPLE_SCTP;
vport[i].rss_tuple_sets.ipv6_fragment_en =
HCLGE_RSS_INPUT_TUPLE_OTHER;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index 64e6afdb61b8..213ac73f94cd 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -105,6 +105,8 @@
#define HCLGE_D_IP_BIT BIT(2)
#define HCLGE_S_IP_BIT BIT(3)
#define HCLGE_V_TAG_BIT BIT(4)
+#define HCLGE_RSS_INPUT_TUPLE_SCTP_NO_PORT \
+ (HCLGE_D_IP_BIT | HCLGE_S_IP_BIT | HCLGE_V_TAG_BIT)
#define HCLGE_RSS_TC_SIZE_0 1
#define HCLGE_RSS_TC_SIZE_1 2
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index c8e3fdd5999c..dc5d150a9c54 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -901,8 +901,8 @@ static int hclgevf_set_rss_tuple(struct hnae3_handle *handle,
req->ipv4_sctp_en = tuple_sets;
break;
case SCTP_V6_FLOW:
- if ((nfc->data & RXH_L4_B_0_1) ||
- (nfc->data & RXH_L4_B_2_3))
+ if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 &&
+ (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)))
return -EINVAL;
req->ipv6_sctp_en = tuple_sets;
@@ -2481,7 +2481,10 @@ static void hclgevf_rss_init_cfg(struct hclgevf_dev *hdev)
tuple_sets->ipv4_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
tuple_sets->ipv6_tcp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
tuple_sets->ipv6_udp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
- tuple_sets->ipv6_sctp_en = HCLGEVF_RSS_INPUT_TUPLE_SCTP;
+ tuple_sets->ipv6_sctp_en =
+ hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 ?
+ HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT :
+ HCLGEVF_RSS_INPUT_TUPLE_SCTP;
tuple_sets->ipv6_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
index c5bcc3894fd5..526a62f97046 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
@@ -122,6 +122,8 @@
#define HCLGEVF_D_IP_BIT BIT(2)
#define HCLGEVF_S_IP_BIT BIT(3)
#define HCLGEVF_V_TAG_BIT BIT(4)
+#define HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT \
+ (HCLGEVF_D_IP_BIT | HCLGEVF_S_IP_BIT | HCLGEVF_V_TAG_BIT)
#define HCLGEVF_STATS_TIMER_INTERVAL 36U
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index c3e429445b83..ceb4f2789800 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -4409,7 +4409,7 @@ static int mvneta_xdp_setup(struct net_device *dev, struct bpf_prog *prog,
struct bpf_prog *old_prog;
if (prog && dev->mtu > MVNETA_MAX_RX_BUF_SIZE) {
- NL_SET_ERR_MSG_MOD(extack, "Jumbo frames not supported on XDP");
+ NL_SET_ERR_MSG_MOD(extack, "MTU too large for XDP");
return -EOPNOTSUPP;
}
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 2026c923b585..2dcdec3eacc3 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -5480,7 +5480,7 @@ static int mvpp2_port_init(struct mvpp2_port *port)
struct mvpp2 *priv = port->priv;
struct mvpp2_txq_pcpu *txq_pcpu;
unsigned int thread;
- int queue, err;
+ int queue, err, val;
/* Checks for hardware constraints */
if (port->first_rxq + port->nrxqs >
@@ -5494,6 +5494,18 @@ static int mvpp2_port_init(struct mvpp2_port *port)
mvpp2_egress_disable(port);
mvpp2_port_disable(port);
+ if (mvpp2_is_xlg(port->phy_interface)) {
+ val = readl(port->base + MVPP22_XLG_CTRL0_REG);
+ val &= ~MVPP22_XLG_CTRL0_FORCE_LINK_PASS;
+ val |= MVPP22_XLG_CTRL0_FORCE_LINK_DOWN;
+ writel(val, port->base + MVPP22_XLG_CTRL0_REG);
+ } else {
+ val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
+ val &= ~MVPP2_GMAC_FORCE_LINK_PASS;
+ val |= MVPP2_GMAC_FORCE_LINK_DOWN;
+ writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
+ }
+
port->tx_time_coal = MVPP2_TXDONE_COAL_USEC;
port->txqs = devm_kcalloc(dev, port->ntxqs, sizeof(*port->txqs),
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index 8f17e26dca53..fc27a40202c6 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -862,8 +862,10 @@ static int cgx_lmac_init(struct cgx *cgx)
if (!lmac)
return -ENOMEM;
lmac->name = kcalloc(1, sizeof("cgx_fwi_xxx_yyy"), GFP_KERNEL);
- if (!lmac->name)
- return -ENOMEM;
+ if (!lmac->name) {
+ err = -ENOMEM;
+ goto err_lmac_free;
+ }
sprintf(lmac->name, "cgx_fwi_%d_%d", cgx->cgx_id, i);
lmac->lmac_id = i;
lmac->cgx = cgx;
@@ -874,7 +876,7 @@ static int cgx_lmac_init(struct cgx *cgx)
CGX_LMAC_FWI + i * 9),
cgx_fwi_event_handler, 0, lmac->name, lmac);
if (err)
- return err;
+ goto err_irq;
/* Enable interrupt */
cgx_write(cgx, lmac->lmac_id, CGXX_CMRX_INT_ENA_W1S,
@@ -886,6 +888,12 @@ static int cgx_lmac_init(struct cgx *cgx)
}
return cgx_lmac_verify_fwi_version(cgx);
+
+err_irq:
+ kfree(lmac->name);
+err_lmac_free:
+ kfree(lmac);
+ return err;
}
static int cgx_lmac_exit(struct cgx *cgx)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
index d29af7b9c695..76177f7c5ec2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
@@ -626,6 +626,11 @@ bool mlx5e_rep_tc_update_skb(struct mlx5_cqe64 *cqe,
if (!reg_c0)
return true;
+ /* If reg_c0 is not equal to the default flow tag then skb->mark
+ * is not supported and must be reset back to 0.
+ */
+ skb->mark = 0;
+
priv = netdev_priv(skb->dev);
esw = priv->mdev->priv.eswitch;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index d25a56ec6876..f01395a9fd8d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1007,6 +1007,22 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev,
return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings);
}
+static int mlx5e_speed_validate(struct net_device *netdev, bool ext,
+ const unsigned long link_modes, u8 autoneg)
+{
+ /* Extended link-mode has no speed limitations. */
+ if (ext)
+ return 0;
+
+ if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
+ autoneg != AUTONEG_ENABLE) {
+ netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n",
+ __func__);
+ return -EINVAL;
+ }
+ return 0;
+}
+
static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
{
u32 i, ptys_modes = 0;
@@ -1100,13 +1116,9 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) :
mlx5e_port_speed2linkmodes(mdev, speed, !ext);
- if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
- autoneg != AUTONEG_ENABLE) {
- netdev_err(priv->netdev, "%s: 56G link speed requires autoneg enabled\n",
- __func__);
- err = -EINVAL;
+ err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg);
+ if (err)
goto out;
- }
link_modes = link_modes & eproto.cap;
if (!link_modes) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
index 1f48f99c0997..7ad332d8625b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
@@ -936,6 +936,7 @@ static int mlx5e_create_ttc_table_groups(struct mlx5e_ttc_table *ttc,
in = kvzalloc(inlen, GFP_KERNEL);
if (!in) {
kfree(ft->g);
+ ft->g = NULL;
return -ENOMEM;
}
@@ -1081,6 +1082,7 @@ static int mlx5e_create_inner_ttc_table_groups(struct mlx5e_ttc_table *ttc)
in = kvzalloc(inlen, GFP_KERNEL);
if (!in) {
kfree(ft->g);
+ ft->g = NULL;
return -ENOMEM;
}
@@ -1384,6 +1386,7 @@ static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table)
ft->g[ft->num_groups] = NULL;
mlx5e_destroy_groups(ft);
kvfree(in);
+ kfree(ft->g);
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c
index 33081b24f10a..9025e5f38bb6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c
@@ -556,7 +556,9 @@ void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev)
struct mlx5_core_dev *tmp_dev;
int i, err;
- if (!MLX5_CAP_GEN(dev, vport_group_manager))
+ if (!MLX5_CAP_GEN(dev, vport_group_manager) ||
+ !MLX5_CAP_GEN(dev, lag_master) ||
+ MLX5_CAP_GEN(dev, num_lag_ports) != MLX5_MAX_PORTS)
return;
tmp_dev = mlx5_get_next_phys_dev(dev);
@@ -574,12 +576,9 @@ void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev)
if (mlx5_lag_dev_add_pf(ldev, dev, netdev) < 0)
return;
- for (i = 0; i < MLX5_MAX_PORTS; i++) {
- tmp_dev = ldev->pf[i].dev;
- if (!tmp_dev || !MLX5_CAP_GEN(tmp_dev, lag_master) ||
- MLX5_CAP_GEN(tmp_dev, num_lag_ports) != MLX5_MAX_PORTS)
+ for (i = 0; i < MLX5_MAX_PORTS; i++)
+ if (!ldev->pf[i].dev)
break;
- }
if (i >= MLX5_MAX_PORTS)
ldev->flags |= MLX5_LAG_FLAG_READY;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/rdma.c b/drivers/net/ethernet/mellanox/mlx5/core/rdma.c
index 0fc7de4aa572..8e0dddc6383f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/rdma.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/rdma.c
@@ -116,7 +116,7 @@ static int mlx5_rdma_enable_roce_steering(struct mlx5_core_dev *dev)
static void mlx5_rdma_del_roce_addr(struct mlx5_core_dev *dev)
{
mlx5_core_roce_gid_set(dev, 0, 0, 0,
- NULL, NULL, false, 0, 0);
+ NULL, NULL, false, 0, 1);
}
static void mlx5_rdma_make_default_gid(struct mlx5_core_dev *dev, union ib_gid *gid)
diff --git a/drivers/net/ethernet/natsemi/macsonic.c b/drivers/net/ethernet/natsemi/macsonic.c
index 776b7d264dc3..2289e1fe3741 100644
--- a/drivers/net/ethernet/natsemi/macsonic.c
+++ b/drivers/net/ethernet/natsemi/macsonic.c
@@ -506,10 +506,14 @@ static int mac_sonic_platform_probe(struct platform_device *pdev)
err = register_netdev(dev);
if (err)
- goto out;
+ goto undo_probe;
return 0;
+undo_probe:
+ dma_free_coherent(lp->device,
+ SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+ lp->descriptors, lp->descriptors_laddr);
out:
free_netdev(dev);
@@ -584,12 +588,16 @@ static int mac_sonic_nubus_probe(struct nubus_board *board)
err = register_netdev(ndev);
if (err)
- goto out;
+ goto undo_probe;
nubus_set_drvdata(board, ndev);
return 0;
+undo_probe:
+ dma_free_coherent(lp->device,
+ SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+ lp->descriptors, lp->descriptors_laddr);
out:
free_netdev(ndev);
return err;
diff --git a/drivers/net/ethernet/natsemi/xtsonic.c b/drivers/net/ethernet/natsemi/xtsonic.c
index afa166ff7aef..28d9e98db81a 100644
--- a/drivers/net/ethernet/natsemi/xtsonic.c
+++ b/drivers/net/ethernet/natsemi/xtsonic.c
@@ -229,11 +229,14 @@ int xtsonic_probe(struct platform_device *pdev)
sonic_msg_init(dev);
if ((err = register_netdev(dev)))
- goto out1;
+ goto undo_probe1;
return 0;
-out1:
+undo_probe1:
+ dma_free_coherent(lp->device,
+ SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+ lp->descriptors, lp->descriptors_laddr);
release_region(dev->base_addr, SONIC_MEM_SIZE);
out:
free_netdev(dev);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index c968c5c5a60a..d0ae1cf43592 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -123,6 +123,12 @@ static void ionic_link_status_check(struct ionic_lif *lif)
link_up = link_status == IONIC_PORT_OPER_STATUS_UP;
if (link_up) {
+ if (lif->netdev->flags & IFF_UP && netif_running(lif->netdev)) {
+ mutex_lock(&lif->queue_lock);
+ ionic_start_queues(lif);
+ mutex_unlock(&lif->queue_lock);
+ }
+
if (!netif_carrier_ok(netdev)) {
u32 link_speed;
@@ -132,12 +138,6 @@ static void ionic_link_status_check(struct ionic_lif *lif)
link_speed / 1000);
netif_carrier_on(netdev);
}
-
- if (lif->netdev->flags & IFF_UP && netif_running(lif->netdev)) {
- mutex_lock(&lif->queue_lock);
- ionic_start_queues(lif);
- mutex_unlock(&lif->queue_lock);
- }
} else {
if (netif_carrier_ok(netdev)) {
netdev_info(netdev, "Link down\n");
diff --git a/drivers/net/ethernet/qlogic/Kconfig b/drivers/net/ethernet/qlogic/Kconfig
index 4366c7a8de95..6b5ddb07ee83 100644
--- a/drivers/net/ethernet/qlogic/Kconfig
+++ b/drivers/net/ethernet/qlogic/Kconfig
@@ -78,6 +78,7 @@ config QED
depends on PCI
select ZLIB_INFLATE
select CRC8
+ select CRC32
select NET_DEVLINK
help
This enables the support for Marvell FastLinQ adapters family.
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index 58e0511badba..a5e0eff4a387 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -64,6 +64,7 @@ struct emac_variant {
* @variant: reference to the current board variant
* @regmap: regmap for using the syscon
* @internal_phy_powered: Does the internal PHY is enabled
+ * @use_internal_phy: Is the internal PHY selected for use
* @mux_handle: Internal pointer used by mdio-mux lib
*/
struct sunxi_priv_data {
@@ -74,6 +75,7 @@ struct sunxi_priv_data {
const struct emac_variant *variant;
struct regmap_field *regmap_field;
bool internal_phy_powered;
+ bool use_internal_phy;
void *mux_handle;
};
@@ -539,8 +541,11 @@ static const struct stmmac_dma_ops sun8i_dwmac_dma_ops = {
.dma_interrupt = sun8i_dwmac_dma_interrupt,
};
+static int sun8i_dwmac_power_internal_phy(struct stmmac_priv *priv);
+
static int sun8i_dwmac_init(struct platform_device *pdev, void *priv)
{
+ struct net_device *ndev = platform_get_drvdata(pdev);
struct sunxi_priv_data *gmac = priv;
int ret;
@@ -554,13 +559,25 @@ static int sun8i_dwmac_init(struct platform_device *pdev, void *priv)
ret = clk_prepare_enable(gmac->tx_clk);
if (ret) {
- if (gmac->regulator)
- regulator_disable(gmac->regulator);
dev_err(&pdev->dev, "Could not enable AHB clock\n");
- return ret;
+ goto err_disable_regulator;
+ }
+
+ if (gmac->use_internal_phy) {
+ ret = sun8i_dwmac_power_internal_phy(netdev_priv(ndev));
+ if (ret)
+ goto err_disable_clk;
}
return 0;
+
+err_disable_clk:
+ clk_disable_unprepare(gmac->tx_clk);
+err_disable_regulator:
+ if (gmac->regulator)
+ regulator_disable(gmac->regulator);
+
+ return ret;
}
static void sun8i_dwmac_core_init(struct mac_device_info *hw,
@@ -831,7 +848,6 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child,
struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
u32 reg, val;
int ret = 0;
- bool need_power_ephy = false;
if (current_child ^ desired_child) {
regmap_field_read(gmac->regmap_field, ®);
@@ -839,13 +855,12 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child,
case DWMAC_SUN8I_MDIO_MUX_INTERNAL_ID:
dev_info(priv->device, "Switch mux to internal PHY");
val = (reg & ~H3_EPHY_MUX_MASK) | H3_EPHY_SELECT;
-
- need_power_ephy = true;
+ gmac->use_internal_phy = true;
break;
case DWMAC_SUN8I_MDIO_MUX_EXTERNAL_ID:
dev_info(priv->device, "Switch mux to external PHY");
val = (reg & ~H3_EPHY_MUX_MASK) | H3_EPHY_SHUTDOWN;
- need_power_ephy = false;
+ gmac->use_internal_phy = false;
break;
default:
dev_err(priv->device, "Invalid child ID %x\n",
@@ -853,7 +868,7 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child,
return -EINVAL;
}
regmap_field_write(gmac->regmap_field, val);
- if (need_power_ephy) {
+ if (gmac->use_internal_phy) {
ret = sun8i_dwmac_power_internal_phy(priv);
if (ret)
return ret;
@@ -883,22 +898,23 @@ static int sun8i_dwmac_register_mdio_mux(struct stmmac_priv *priv)
return ret;
}
-static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
+static int sun8i_dwmac_set_syscon(struct device *dev,
+ struct plat_stmmacenet_data *plat)
{
- struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
- struct device_node *node = priv->device->of_node;
+ struct sunxi_priv_data *gmac = plat->bsp_priv;
+ struct device_node *node = dev->of_node;
int ret;
u32 reg, val;
ret = regmap_field_read(gmac->regmap_field, &val);
if (ret) {
- dev_err(priv->device, "Fail to read from regmap field.\n");
+ dev_err(dev, "Fail to read from regmap field.\n");
return ret;
}
reg = gmac->variant->default_syscon_value;
if (reg != val)
- dev_warn(priv->device,
+ dev_warn(dev,
"Current syscon value is not the default %x (expect %x)\n",
val, reg);
@@ -911,9 +927,9 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
/* Force EPHY xtal frequency to 24MHz. */
reg |= H3_EPHY_CLK_SEL;
- ret = of_mdio_parse_addr(priv->device, priv->plat->phy_node);
+ ret = of_mdio_parse_addr(dev, plat->phy_node);
if (ret < 0) {
- dev_err(priv->device, "Could not parse MDIO addr\n");
+ dev_err(dev, "Could not parse MDIO addr\n");
return ret;
}
/* of_mdio_parse_addr returns a valid (0 ~ 31) PHY
@@ -929,17 +945,17 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
if (!of_property_read_u32(node, "allwinner,tx-delay-ps", &val)) {
if (val % 100) {
- dev_err(priv->device, "tx-delay must be a multiple of 100\n");
+ dev_err(dev, "tx-delay must be a multiple of 100\n");
return -EINVAL;
}
val /= 100;
- dev_dbg(priv->device, "set tx-delay to %x\n", val);
+ dev_dbg(dev, "set tx-delay to %x\n", val);
if (val <= gmac->variant->tx_delay_max) {
reg &= ~(gmac->variant->tx_delay_max <<
SYSCON_ETXDC_SHIFT);
reg |= (val << SYSCON_ETXDC_SHIFT);
} else {
- dev_err(priv->device, "Invalid TX clock delay: %d\n",
+ dev_err(dev, "Invalid TX clock delay: %d\n",
val);
return -EINVAL;
}
@@ -947,17 +963,17 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
if (!of_property_read_u32(node, "allwinner,rx-delay-ps", &val)) {
if (val % 100) {
- dev_err(priv->device, "rx-delay must be a multiple of 100\n");
+ dev_err(dev, "rx-delay must be a multiple of 100\n");
return -EINVAL;
}
val /= 100;
- dev_dbg(priv->device, "set rx-delay to %x\n", val);
+ dev_dbg(dev, "set rx-delay to %x\n", val);
if (val <= gmac->variant->rx_delay_max) {
reg &= ~(gmac->variant->rx_delay_max <<
SYSCON_ERXDC_SHIFT);
reg |= (val << SYSCON_ERXDC_SHIFT);
} else {
- dev_err(priv->device, "Invalid RX clock delay: %d\n",
+ dev_err(dev, "Invalid RX clock delay: %d\n",
val);
return -EINVAL;
}
@@ -968,7 +984,7 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
if (gmac->variant->support_rmii)
reg &= ~SYSCON_RMII_EN;
- switch (priv->plat->interface) {
+ switch (plat->interface) {
case PHY_INTERFACE_MODE_MII:
/* default */
break;
@@ -982,8 +998,8 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
reg |= SYSCON_RMII_EN | SYSCON_ETCS_EXT_GMII;
break;
default:
- dev_err(priv->device, "Unsupported interface mode: %s",
- phy_modes(priv->plat->interface));
+ dev_err(dev, "Unsupported interface mode: %s",
+ phy_modes(plat->interface));
return -EINVAL;
}
@@ -1004,17 +1020,10 @@ static void sun8i_dwmac_exit(struct platform_device *pdev, void *priv)
struct sunxi_priv_data *gmac = priv;
if (gmac->variant->soc_has_internal_phy) {
- /* sun8i_dwmac_exit could be called with mdiomux uninit */
- if (gmac->mux_handle)
- mdio_mux_uninit(gmac->mux_handle);
if (gmac->internal_phy_powered)
sun8i_dwmac_unpower_internal_phy(gmac);
}
- sun8i_dwmac_unset_syscon(gmac);
-
- reset_control_put(gmac->rst_ephy);
-
clk_disable_unprepare(gmac->tx_clk);
if (gmac->regulator)
@@ -1049,16 +1058,11 @@ static struct mac_device_info *sun8i_dwmac_setup(void *ppriv)
{
struct mac_device_info *mac;
struct stmmac_priv *priv = ppriv;
- int ret;
mac = devm_kzalloc(priv->device, sizeof(*mac), GFP_KERNEL);
if (!mac)
return NULL;
- ret = sun8i_dwmac_set_syscon(priv);
- if (ret)
- return NULL;
-
mac->pcsr = priv->ioaddr;
mac->mac = &sun8i_dwmac_ops;
mac->dma = &sun8i_dwmac_dma_ops;
@@ -1134,10 +1138,6 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
if (ret)
return ret;
- plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
- if (IS_ERR(plat_dat))
- return PTR_ERR(plat_dat);
-
gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
if (!gmac)
return -ENOMEM;
@@ -1201,11 +1201,15 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
ret = of_get_phy_mode(dev->of_node, &interface);
if (ret)
return -EINVAL;
- plat_dat->interface = interface;
+
+ plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+ if (IS_ERR(plat_dat))
+ return PTR_ERR(plat_dat);
/* platform data specifying hardware features and callbacks.
* hardware features were copied from Allwinner drivers.
*/
+ plat_dat->interface = interface;
plat_dat->rx_coe = STMMAC_RX_COE_TYPE2;
plat_dat->tx_coe = 1;
plat_dat->has_sun8i = true;
@@ -1214,9 +1218,13 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
plat_dat->exit = sun8i_dwmac_exit;
plat_dat->setup = sun8i_dwmac_setup;
+ ret = sun8i_dwmac_set_syscon(&pdev->dev, plat_dat);
+ if (ret)
+ goto dwmac_deconfig;
+
ret = sun8i_dwmac_init(pdev, plat_dat->bsp_priv);
if (ret)
- return ret;
+ goto dwmac_syscon;
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret)
@@ -1230,7 +1238,7 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
if (gmac->variant->soc_has_internal_phy) {
ret = get_ephy_nodes(priv);
if (ret)
- goto dwmac_exit;
+ goto dwmac_remove;
ret = sun8i_dwmac_register_mdio_mux(priv);
if (ret) {
dev_err(&pdev->dev, "Failed to register mux\n");
@@ -1239,15 +1247,42 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
} else {
ret = sun8i_dwmac_reset(priv);
if (ret)
- goto dwmac_exit;
+ goto dwmac_remove;
}
return ret;
dwmac_mux:
- sun8i_dwmac_unset_syscon(gmac);
+ reset_control_put(gmac->rst_ephy);
+ clk_put(gmac->ephy_clk);
+dwmac_remove:
+ stmmac_dvr_remove(&pdev->dev);
dwmac_exit:
+ sun8i_dwmac_exit(pdev, gmac);
+dwmac_syscon:
+ sun8i_dwmac_unset_syscon(gmac);
+dwmac_deconfig:
+ stmmac_remove_config_dt(pdev, plat_dat);
+
+ return ret;
+}
+
+static int sun8i_dwmac_remove(struct platform_device *pdev)
+{
+ struct net_device *ndev = platform_get_drvdata(pdev);
+ struct stmmac_priv *priv = netdev_priv(ndev);
+ struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
+
+ if (gmac->variant->soc_has_internal_phy) {
+ mdio_mux_uninit(gmac->mux_handle);
+ sun8i_dwmac_unpower_internal_phy(gmac);
+ reset_control_put(gmac->rst_ephy);
+ clk_put(gmac->ephy_clk);
+ }
+
stmmac_pltfr_remove(pdev);
-return ret;
+ sun8i_dwmac_unset_syscon(gmac);
+
+ return 0;
}
static const struct of_device_id sun8i_dwmac_match[] = {
@@ -1269,7 +1304,7 @@ MODULE_DEVICE_TABLE(of, sun8i_dwmac_match);
static struct platform_driver sun8i_dwmac_driver = {
.probe = sun8i_dwmac_probe,
- .remove = stmmac_pltfr_remove,
+ .remove = sun8i_dwmac_remove,
.driver = {
.name = "dwmac-sun8i",
.pm = &stmmac_pltfr_pm_ops,
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 5dc1365dc1f9..854c6624e685 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1199,7 +1199,10 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
* accordingly. Otherwise, we should check here.
*/
if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END)
- delayed_ndp_size = ALIGN(ctx->max_ndp_size, ctx->tx_ndp_modulus);
+ delayed_ndp_size = ctx->max_ndp_size +
+ max_t(u32,
+ ctx->tx_ndp_modulus,
+ ctx->tx_modulus + ctx->tx_remainder) - 1;
else
delayed_ndp_size = 0;
@@ -1410,7 +1413,8 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
if (!(dev->driver_info->flags & FLAG_SEND_ZLP) &&
skb_out->len > ctx->min_tx_pkt) {
padding_count = ctx->tx_curr_size - skb_out->len;
- skb_put_zero(skb_out, padding_count);
+ if (!WARN_ON(padding_count > ctx->tx_curr_size))
+ skb_put_zero(skb_out, padding_count);
} else if (skb_out->len < ctx->tx_curr_size &&
(skb_out->len % dev->maxpacket) == 0) {
skb_put_u8(skb_out, 0); /* force short packet */
diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig
index 39e5ab261d7c..4be2a5cf022c 100644
--- a/drivers/net/wan/Kconfig
+++ b/drivers/net/wan/Kconfig
@@ -282,6 +282,7 @@ config SLIC_DS26522
tristate "Slic Maxim ds26522 card support"
depends on SPI
depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST
+ select BITREVERSE
help
This module initializes and configures the slic maxim card
in T1 or E1 mode.
diff --git a/drivers/net/wireless/ath/wil6210/Kconfig b/drivers/net/wireless/ath/wil6210/Kconfig
index 6a95b199bf62..f074e9c31aa2 100644
--- a/drivers/net/wireless/ath/wil6210/Kconfig
+++ b/drivers/net/wireless/ath/wil6210/Kconfig
@@ -2,6 +2,7 @@
config WIL6210
tristate "Wilocity 60g WiFi card wil6210 support"
select WANT_DEV_COREDUMP
+ select CRC32
depends on CFG80211
depends on PCI
default n
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index c0c33320fe65..9aa3d9e91c5d 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -262,6 +262,16 @@ static inline void nvme_tcp_advance_req(struct nvme_tcp_request *req,
}
}
+static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue)
+{
+ int ret;
+
+ /* drain the send queue as much as we can... */
+ do {
+ ret = nvme_tcp_try_send(queue);
+ } while (ret > 0);
+}
+
static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req,
bool sync, bool last)
{
@@ -279,7 +289,7 @@ static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req,
if (queue->io_cpu == smp_processor_id() &&
sync && empty && mutex_trylock(&queue->send_mutex)) {
queue->more_requests = !last;
- nvme_tcp_try_send(queue);
+ nvme_tcp_send_all(queue);
queue->more_requests = false;
mutex_unlock(&queue->send_mutex);
} else if (last) {
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 942f72d8151d..deb429a3dff1 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -64,6 +64,7 @@ config DP83640_PHY
depends on NETWORK_PHY_TIMESTAMPING
depends on PHYLIB
depends on PTP_1588_CLOCK
+ select CRC32
help
Supports the DP83640 PHYTER with IEEE 1588 features.
@@ -78,6 +79,7 @@ config DP83640_PHY
config PTP_1588_CLOCK_INES
tristate "ZHAW InES PTP time stamping IP core"
depends on NETWORK_PHY_TIMESTAMPING
+ depends on HAS_IOMEM
depends on PHYLIB
depends on PTP_1588_CLOCK
help
diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c
index d488325499a9..a22c4b5f64f7 100644
--- a/drivers/regulator/qcom-rpmh-regulator.c
+++ b/drivers/regulator/qcom-rpmh-regulator.c
@@ -726,7 +726,7 @@ static const struct rpmh_vreg_hw_data pmic5_ftsmps510 = {
static const struct rpmh_vreg_hw_data pmic5_hfsmps515 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
- .voltage_range = REGULATOR_LINEAR_RANGE(2800000, 0, 4, 1600),
+ .voltage_range = REGULATOR_LINEAR_RANGE(2800000, 0, 4, 16000),
.n_voltages = 5,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index b235393e091c..2f7e06ec9a30 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -1075,7 +1075,8 @@ struct qeth_card *qeth_get_card_by_busid(char *bus_id);
void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
int clear_start_mask);
int qeth_threads_running(struct qeth_card *, unsigned long);
-int qeth_set_offline(struct qeth_card *card, bool resetting);
+int qeth_set_offline(struct qeth_card *card, const struct qeth_discipline *disc,
+ bool resetting);
int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
int (*reply_cb)
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index e27319de7b00..f108232498ba 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -5300,12 +5300,12 @@ static int qeth_hardsetup_card(struct qeth_card *card, bool *carrier_ok)
return rc;
}
-static int qeth_set_online(struct qeth_card *card)
+static int qeth_set_online(struct qeth_card *card,
+ const struct qeth_discipline *disc)
{
bool carrier_ok;
int rc;
- mutex_lock(&card->discipline_mutex);
mutex_lock(&card->conf_mutex);
QETH_CARD_TEXT(card, 2, "setonlin");
@@ -5322,7 +5322,7 @@ static int qeth_set_online(struct qeth_card *card)
/* no need for locking / error handling at this early stage: */
qeth_set_real_num_tx_queues(card, qeth_tx_actual_queues(card));
- rc = card->discipline->set_online(card, carrier_ok);
+ rc = disc->set_online(card, carrier_ok);
if (rc)
goto err_online;
@@ -5330,7 +5330,6 @@ static int qeth_set_online(struct qeth_card *card)
kobject_uevent(&card->gdev->dev.kobj, KOBJ_CHANGE);
mutex_unlock(&card->conf_mutex);
- mutex_unlock(&card->discipline_mutex);
return 0;
err_online:
@@ -5345,15 +5344,14 @@ static int qeth_set_online(struct qeth_card *card)
qdio_free(CARD_DDEV(card));
mutex_unlock(&card->conf_mutex);
- mutex_unlock(&card->discipline_mutex);
return rc;
}
-int qeth_set_offline(struct qeth_card *card, bool resetting)
+int qeth_set_offline(struct qeth_card *card, const struct qeth_discipline *disc,
+ bool resetting)
{
int rc, rc2, rc3;
- mutex_lock(&card->discipline_mutex);
mutex_lock(&card->conf_mutex);
QETH_CARD_TEXT(card, 3, "setoffl");
@@ -5374,7 +5372,7 @@ int qeth_set_offline(struct qeth_card *card, bool resetting)
cancel_work_sync(&card->rx_mode_work);
- card->discipline->set_offline(card);
+ disc->set_offline(card);
qeth_qdio_clear_card(card, 0);
qeth_drain_output_queues(card);
@@ -5395,16 +5393,19 @@ int qeth_set_offline(struct qeth_card *card, bool resetting)
kobject_uevent(&card->gdev->dev.kobj, KOBJ_CHANGE);
mutex_unlock(&card->conf_mutex);
- mutex_unlock(&card->discipline_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(qeth_set_offline);
static int qeth_do_reset(void *data)
{
+ const struct qeth_discipline *disc;
struct qeth_card *card = data;
int rc;
+ /* Lock-free, other users will block until we are done. */
+ disc = card->discipline;
+
QETH_CARD_TEXT(card, 2, "recover1");
if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
return 0;
@@ -5412,8 +5413,8 @@ static int qeth_do_reset(void *data)
dev_warn(&card->gdev->dev,
"A recovery process has been started for the device\n");
- qeth_set_offline(card, true);
- rc = qeth_set_online(card);
+ qeth_set_offline(card, disc, true);
+ rc = qeth_set_online(card, disc);
if (!rc) {
dev_info(&card->gdev->dev,
"Device successfully recovered!\n");
@@ -6360,6 +6361,7 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev)
break;
default:
card->info.layer_enforced = true;
+ /* It's so early that we don't need the discipline_mutex yet. */
rc = qeth_core_load_discipline(card, enforced_disc);
if (rc)
goto err_load;
@@ -6392,10 +6394,12 @@ static void qeth_core_remove_device(struct ccwgroup_device *gdev)
QETH_CARD_TEXT(card, 2, "removedv");
+ mutex_lock(&card->discipline_mutex);
if (card->discipline) {
card->discipline->remove(gdev);
qeth_core_free_discipline(card);
}
+ mutex_unlock(&card->discipline_mutex);
qeth_free_qdio_queues(card);
@@ -6410,6 +6414,7 @@ static int qeth_core_set_online(struct ccwgroup_device *gdev)
int rc = 0;
enum qeth_discipline_id def_discipline;
+ mutex_lock(&card->discipline_mutex);
if (!card->discipline) {
def_discipline = IS_IQD(card) ? QETH_DISCIPLINE_LAYER3 :
QETH_DISCIPLINE_LAYER2;
@@ -6423,16 +6428,23 @@ static int qeth_core_set_online(struct ccwgroup_device *gdev)
}
}
- rc = qeth_set_online(card);
+ rc = qeth_set_online(card, card->discipline);
+
err:
+ mutex_unlock(&card->discipline_mutex);
return rc;
}
static int qeth_core_set_offline(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ int rc;
- return qeth_set_offline(card, false);
+ mutex_lock(&card->discipline_mutex);
+ rc = qeth_set_offline(card, card->discipline, false);
+ mutex_unlock(&card->discipline_mutex);
+
+ return rc;
}
static void qeth_core_shutdown(struct ccwgroup_device *gdev)
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 79939ba5d523..cfc931f2b7e2 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -2208,7 +2208,7 @@ static void qeth_l2_remove_device(struct ccwgroup_device *gdev)
wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
if (gdev->state == CCWGROUP_ONLINE)
- qeth_set_offline(card, false);
+ qeth_set_offline(card, card->discipline, false);
cancel_work_sync(&card->close_dev_work);
if (card->dev->reg_state == NETREG_REGISTERED)
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index b1c1d2510d55..291861c9b956 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1816,7 +1816,7 @@ static netdev_features_t qeth_l3_osa_features_check(struct sk_buff *skb,
struct net_device *dev,
netdev_features_t features)
{
- if (qeth_get_ip_version(skb) != 4)
+ if (vlan_get_protocol(skb) != htons(ETH_P_IP))
features &= ~NETIF_F_HW_VLAN_CTAG_TX;
return qeth_features_check(skb, dev, features);
}
@@ -1974,7 +1974,7 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev)
wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
if (cgdev->state == CCWGROUP_ONLINE)
- qeth_set_offline(card, false);
+ qeth_set_offline(card, card->discipline, false);
cancel_work_sync(&card->close_dev_work);
if (card->dev->reg_state == NETREG_REGISTERED)
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index fcaafa564dfc..f103340820c6 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -10459,7 +10459,6 @@ lpfc_sli4_abts_err_handler(struct lpfc_hba *phba,
struct lpfc_nodelist *ndlp,
struct sli4_wcqe_xri_aborted *axri)
{
- struct lpfc_vport *vport;
uint32_t ext_status = 0;
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
@@ -10469,7 +10468,6 @@ lpfc_sli4_abts_err_handler(struct lpfc_hba *phba,
return;
}
- vport = ndlp->vport;
lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
"3116 Port generated FCP XRI ABORT event on "
"vpi %d rpi %d xri x%x status 0x%x parameter x%x\n",
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 02f161468daf..7558b4abebfc 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -7651,7 +7651,7 @@ static int ufshcd_clear_ua_wlun(struct ufs_hba *hba, u8 wlun)
else if (wlun == UFS_UPIU_RPMB_WLUN)
sdp = hba->sdev_rpmb;
else
- BUG_ON(1);
+ BUG();
if (sdp) {
ret = scsi_device_get(sdp);
if (!ret && !scsi_device_online(sdp)) {
diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c
index 0e3d8e6c08f4..01ef79f15b02 100644
--- a/drivers/spi/spi-geni-qcom.c
+++ b/drivers/spi/spi-geni-qcom.c
@@ -83,6 +83,7 @@ struct spi_geni_master {
spinlock_t lock;
int irq;
bool cs_flag;
+ bool abort_failed;
};
static int get_spi_clk_cfg(unsigned int speed_hz,
@@ -141,8 +142,49 @@ static void handle_fifo_timeout(struct spi_master *spi,
spin_unlock_irq(&mas->lock);
time_left = wait_for_completion_timeout(&mas->abort_done, HZ);
- if (!time_left)
+ if (!time_left) {
dev_err(mas->dev, "Failed to cancel/abort m_cmd\n");
+
+ /*
+ * No need for a lock since SPI core has a lock and we never
+ * access this from an interrupt.
+ */
+ mas->abort_failed = true;
+ }
+}
+
+static bool spi_geni_is_abort_still_pending(struct spi_geni_master *mas)
+{
+ struct geni_se *se = &mas->se;
+ u32 m_irq, m_irq_en;
+
+ if (!mas->abort_failed)
+ return false;
+
+ /*
+ * The only known case where a transfer times out and then a cancel
+ * times out then an abort times out is if something is blocking our
+ * interrupt handler from running. Avoid starting any new transfers
+ * until that sorts itself out.
+ */
+ spin_lock_irq(&mas->lock);
+ m_irq = readl(se->base + SE_GENI_M_IRQ_STATUS);
+ m_irq_en = readl(se->base + SE_GENI_M_IRQ_EN);
+ spin_unlock_irq(&mas->lock);
+
+ if (m_irq & m_irq_en) {
+ dev_err(mas->dev, "Interrupts pending after abort: %#010x\n",
+ m_irq & m_irq_en);
+ return true;
+ }
+
+ /*
+ * If we're here the problem resolved itself so no need to check more
+ * on future transfers.
+ */
+ mas->abort_failed = false;
+
+ return false;
}
static void spi_geni_set_cs(struct spi_device *slv, bool set_flag)
@@ -158,9 +200,15 @@ static void spi_geni_set_cs(struct spi_device *slv, bool set_flag)
if (set_flag == mas->cs_flag)
return;
+ pm_runtime_get_sync(mas->dev);
+
+ if (spi_geni_is_abort_still_pending(mas)) {
+ dev_err(mas->dev, "Can't set chip select\n");
+ goto exit;
+ }
+
mas->cs_flag = set_flag;
- pm_runtime_get_sync(mas->dev);
spin_lock_irq(&mas->lock);
reinit_completion(&mas->cs_done);
if (set_flag)
@@ -173,6 +221,7 @@ static void spi_geni_set_cs(struct spi_device *slv, bool set_flag)
if (!time_left)
handle_fifo_timeout(spi, NULL);
+exit:
pm_runtime_put(mas->dev);
}
@@ -280,6 +329,9 @@ static int spi_geni_prepare_message(struct spi_master *spi,
int ret;
struct spi_geni_master *mas = spi_master_get_devdata(spi);
+ if (spi_geni_is_abort_still_pending(mas))
+ return -EBUSY;
+
ret = setup_fifo_params(spi_msg->spi, spi);
if (ret)
dev_err(mas->dev, "Couldn't select mode %d\n", ret);
@@ -354,6 +406,12 @@ static bool geni_spi_handle_tx(struct spi_geni_master *mas)
unsigned int bytes_per_fifo_word = geni_byte_per_fifo_word(mas);
unsigned int i = 0;
+ /* Stop the watermark IRQ if nothing to send */
+ if (!mas->cur_xfer) {
+ writel(0, se->base + SE_GENI_TX_WATERMARK_REG);
+ return false;
+ }
+
max_bytes = (mas->tx_fifo_depth - mas->tx_wm) * bytes_per_fifo_word;
if (mas->tx_rem_bytes < max_bytes)
max_bytes = mas->tx_rem_bytes;
@@ -396,6 +454,14 @@ static void geni_spi_handle_rx(struct spi_geni_master *mas)
if (rx_last_byte_valid && rx_last_byte_valid < 4)
rx_bytes -= bytes_per_fifo_word - rx_last_byte_valid;
}
+
+ /* Clear out the FIFO and bail if nowhere to put it */
+ if (!mas->cur_xfer) {
+ for (i = 0; i < DIV_ROUND_UP(rx_bytes, bytes_per_fifo_word); i++)
+ readl(se->base + SE_GENI_RX_FIFOn);
+ return;
+ }
+
if (mas->rx_rem_bytes < rx_bytes)
rx_bytes = mas->rx_rem_bytes;
@@ -495,6 +561,9 @@ static int spi_geni_transfer_one(struct spi_master *spi,
{
struct spi_geni_master *mas = spi_master_get_devdata(spi);
+ if (spi_geni_is_abort_still_pending(mas))
+ return -EBUSY;
+
/* Terminate and return success for 0 byte length transfer */
if (!xfer->len)
return 0;
diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
index 471dedf3d339..6017209c6d2f 100644
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -493,9 +493,9 @@ static u32 stm32h7_spi_prepare_fthlv(struct stm32_spi *spi, u32 xfer_len)
/* align packet size with data registers access */
if (spi->cur_bpw > 8)
- fthlv -= (fthlv % 2); /* multiple of 2 */
+ fthlv += (fthlv % 2) ? 1 : 0;
else
- fthlv -= (fthlv % 4); /* multiple of 4 */
+ fthlv += (fthlv % 4) ? (4 - (fthlv % 4)) : 0;
if (!fthlv)
fthlv = 1;
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 92dd86bceae3..8de4bf8edb9c 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -35,6 +35,22 @@ enum {
BTRFS_INODE_IN_DELALLOC_LIST,
BTRFS_INODE_HAS_PROPS,
BTRFS_INODE_SNAPSHOT_FLUSH,
+ /*
+ * Set and used when logging an inode and it serves to signal that an
+ * inode does not have xattrs, so subsequent fsyncs can avoid searching
+ * for xattrs to log. This bit must be cleared whenever a xattr is added
+ * to an inode.
+ */
+ BTRFS_INODE_NO_XATTRS,
+ /*
+ * Set when we are in a context where we need to start a transaction and
+ * have dirty pages with the respective file range locked. This is to
+ * ensure that when reserving space for the transaction, if we are low
+ * on available space and need to flush delalloc, we will not flush
+ * delalloc for this inode, because that could result in a deadlock (on
+ * the file range, inode's io_tree).
+ */
+ BTRFS_INODE_NO_DELALLOC_FLUSH,
};
/* in memory btrfs inode */
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 62461239600f..e01545538e07 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3001,7 +3001,8 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
u32 min_type);
int btrfs_start_delalloc_snapshot(struct btrfs_root *root);
-int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, u64 nr);
+int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, u64 nr,
+ bool in_reclaim_context);
int btrfs_set_extent_delalloc(struct btrfs_inode *inode, u64 start, u64 end,
unsigned int extra_bits,
struct extent_state **cached_state);
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 10638537b9ef..d29780463182 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -703,7 +703,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
* flush all outstanding I/O and inode extent mappings before the
* copy operation is declared as being finished
*/
- ret = btrfs_start_delalloc_roots(fs_info, U64_MAX);
+ ret = btrfs_start_delalloc_roots(fs_info, U64_MAX, false);
if (ret) {
mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
return ret;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 7e8d8169779d..acc47e2ffb46 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9389,7 +9389,9 @@ static struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode
* some fairly slow code that needs optimization. This walks the list
* of all the inodes with pending delalloc and forces them to disk.
*/
-static int start_delalloc_inodes(struct btrfs_root *root, u64 *nr, bool snapshot)
+static int start_delalloc_inodes(struct btrfs_root *root,
+ struct writeback_control *wbc, bool snapshot,
+ bool in_reclaim_context)
{
struct btrfs_inode *binode;
struct inode *inode;
@@ -9397,6 +9399,7 @@ static int start_delalloc_inodes(struct btrfs_root *root, u64 *nr, bool snapshot
struct list_head works;
struct list_head splice;
int ret = 0;
+ bool full_flush = wbc->nr_to_write == LONG_MAX;
INIT_LIST_HEAD(&works);
INIT_LIST_HEAD(&splice);
@@ -9410,6 +9413,11 @@ static int start_delalloc_inodes(struct btrfs_root *root, u64 *nr, bool snapshot
list_move_tail(&binode->delalloc_inodes,
&root->delalloc_inodes);
+
+ if (in_reclaim_context &&
+ test_bit(BTRFS_INODE_NO_DELALLOC_FLUSH, &binode->runtime_flags))
+ continue;
+
inode = igrab(&binode->vfs_inode);
if (!inode) {
cond_resched_lock(&root->delalloc_lock);
@@ -9420,18 +9428,24 @@ static int start_delalloc_inodes(struct btrfs_root *root, u64 *nr, bool snapshot
if (snapshot)
set_bit(BTRFS_INODE_SNAPSHOT_FLUSH,
&binode->runtime_flags);
- work = btrfs_alloc_delalloc_work(inode);
- if (!work) {
- iput(inode);
- ret = -ENOMEM;
- goto out;
- }
- list_add_tail(&work->list, &works);
- btrfs_queue_work(root->fs_info->flush_workers,
- &work->work);
- if (*nr != U64_MAX) {
- (*nr)--;
- if (*nr == 0)
+ if (full_flush) {
+ work = btrfs_alloc_delalloc_work(inode);
+ if (!work) {
+ iput(inode);
+ ret = -ENOMEM;
+ goto out;
+ }
+ list_add_tail(&work->list, &works);
+ btrfs_queue_work(root->fs_info->flush_workers,
+ &work->work);
+ } else {
+ ret = sync_inode(inode, wbc);
+ if (!ret &&
+ test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT,
+ &BTRFS_I(inode)->runtime_flags))
+ ret = sync_inode(inode, wbc);
+ btrfs_add_delayed_iput(inode);
+ if (ret || wbc->nr_to_write <= 0)
goto out;
}
cond_resched();
@@ -9457,17 +9471,29 @@ static int start_delalloc_inodes(struct btrfs_root *root, u64 *nr, bool snapshot
int btrfs_start_delalloc_snapshot(struct btrfs_root *root)
{
+ struct writeback_control wbc = {
+ .nr_to_write = LONG_MAX,
+ .sync_mode = WB_SYNC_NONE,
+ .range_start = 0,
+ .range_end = LLONG_MAX,
+ };
struct btrfs_fs_info *fs_info = root->fs_info;
- u64 nr = U64_MAX;
if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
return -EROFS;
- return start_delalloc_inodes(root, &nr, true);
+ return start_delalloc_inodes(root, &wbc, true, false);
}
-int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, u64 nr)
+int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, u64 nr,
+ bool in_reclaim_context)
{
+ struct writeback_control wbc = {
+ .nr_to_write = (nr == U64_MAX) ? LONG_MAX : (unsigned long)nr,
+ .sync_mode = WB_SYNC_NONE,
+ .range_start = 0,
+ .range_end = LLONG_MAX,
+ };
struct btrfs_root *root;
struct list_head splice;
int ret;
@@ -9481,6 +9507,13 @@ int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, u64 nr)
spin_lock(&fs_info->delalloc_root_lock);
list_splice_init(&fs_info->delalloc_roots, &splice);
while (!list_empty(&splice) && nr) {
+ /*
+ * Reset nr_to_write here so we know that we're doing a full
+ * flush.
+ */
+ if (nr == U64_MAX)
+ wbc.nr_to_write = LONG_MAX;
+
root = list_first_entry(&splice, struct btrfs_root,
delalloc_root);
root = btrfs_grab_root(root);
@@ -9489,9 +9522,9 @@ int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, u64 nr)
&fs_info->delalloc_roots);
spin_unlock(&fs_info->delalloc_root_lock);
- ret = start_delalloc_inodes(root, &nr, false);
+ ret = start_delalloc_inodes(root, &wbc, false, in_reclaim_context);
btrfs_put_root(root);
- if (ret < 0)
+ if (ret < 0 || wbc.nr_to_write <= 0)
goto out;
spin_lock(&fs_info->delalloc_root_lock);
}
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index e8ca229a216b..bd46e107f955 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -4940,7 +4940,7 @@ long btrfs_ioctl(struct file *file, unsigned int
case BTRFS_IOC_SYNC: {
int ret;
- ret = btrfs_start_delalloc_roots(fs_info, U64_MAX);
+ ret = btrfs_start_delalloc_roots(fs_info, U64_MAX, false);
if (ret)
return ret;
ret = btrfs_sync_fs(inode->i_sb, 1);
diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index 99aa87c08912..a646af95dd10 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -89,6 +89,19 @@ static int copy_inline_to_page(struct btrfs_inode *inode,
if (ret)
goto out_unlock;
+ /*
+ * After dirtying the page our caller will need to start a transaction,
+ * and if we are low on metadata free space, that can cause flushing of
+ * delalloc for all inodes in order to get metadata space released.
+ * However we are holding the range locked for the whole duration of
+ * the clone/dedupe operation, so we may deadlock if that happens and no
+ * other task releases enough space. So mark this inode as not being
+ * possible to flush to avoid such deadlock. We will clear that flag
+ * when we finish cloning all extents, since a transaction is started
+ * after finding each extent to clone.
+ */
+ set_bit(BTRFS_INODE_NO_DELALLOC_FLUSH, &inode->runtime_flags);
+
if (comp_type == BTRFS_COMPRESS_NONE) {
char *map;
@@ -547,6 +560,8 @@ static int btrfs_clone(struct inode *src, struct inode *inode,
out:
btrfs_free_path(path);
kvfree(buf);
+ clear_bit(BTRFS_INODE_NO_DELALLOC_FLUSH, &BTRFS_I(inode)->runtime_flags);
+
return ret;
}
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index 64099565ab8f..e8347461c8dd 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -532,7 +532,9 @@ static void shrink_delalloc(struct btrfs_fs_info *fs_info,
loops = 0;
while ((delalloc_bytes || dio_bytes) && loops < 3) {
- btrfs_start_delalloc_roots(fs_info, items);
+ u64 nr_pages = min(delalloc_bytes, to_reclaim) >> PAGE_SHIFT;
+
+ btrfs_start_delalloc_roots(fs_info, nr_pages, true);
loops++;
if (wait_ordered && !trans) {
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 56cbc1706b6f..5b11bb977066 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4571,6 +4571,10 @@ static int btrfs_log_all_xattrs(struct btrfs_trans_handle *trans,
const u64 ino = btrfs_ino(inode);
int ins_nr = 0;
int start_slot = 0;
+ bool found_xattrs = false;
+
+ if (test_bit(BTRFS_INODE_NO_XATTRS, &inode->runtime_flags))
+ return 0;
key.objectid = ino;
key.type = BTRFS_XATTR_ITEM_KEY;
@@ -4609,6 +4613,7 @@ static int btrfs_log_all_xattrs(struct btrfs_trans_handle *trans,
start_slot = slot;
ins_nr++;
path->slots[0]++;
+ found_xattrs = true;
cond_resched();
}
if (ins_nr > 0) {
@@ -4618,6 +4623,9 @@ static int btrfs_log_all_xattrs(struct btrfs_trans_handle *trans,
return ret;
}
+ if (!found_xattrs)
+ set_bit(BTRFS_INODE_NO_XATTRS, &inode->runtime_flags);
+
return 0;
}
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 95d9aebff2c4..e51774201d53 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -213,9 +213,11 @@ int btrfs_setxattr(struct btrfs_trans_handle *trans, struct inode *inode,
}
out:
btrfs_free_path(path);
- if (!ret)
+ if (!ret) {
set_bit(BTRFS_INODE_COPY_EVERYTHING,
&BTRFS_I(inode)->runtime_flags);
+ clear_bit(BTRFS_INODE_NO_XATTRS, &BTRFS_I(inode)->runtime_flags);
+ }
return ret;
}
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 1f798c5c4213..4833b68f1a1c 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1625,9 +1625,9 @@ static bool io_match_files(struct io_kiocb *req,
}
/* Returns true if there are no backlogged entries after the flush */
-static bool io_cqring_overflow_flush(struct io_ring_ctx *ctx, bool force,
- struct task_struct *tsk,
- struct files_struct *files)
+static bool __io_cqring_overflow_flush(struct io_ring_ctx *ctx, bool force,
+ struct task_struct *tsk,
+ struct files_struct *files)
{
struct io_rings *rings = ctx->rings;
struct io_kiocb *req, *tmp;
@@ -1681,6 +1681,20 @@ static bool io_cqring_overflow_flush(struct io_ring_ctx *ctx, bool force,
return cqe != NULL;
}
+static void io_cqring_overflow_flush(struct io_ring_ctx *ctx, bool force,
+ struct task_struct *tsk,
+ struct files_struct *files)
+{
+ if (test_bit(0, &ctx->cq_check_overflow)) {
+ /* iopoll syncs against uring_lock, not completion_lock */
+ if (ctx->flags & IORING_SETUP_IOPOLL)
+ mutex_lock(&ctx->uring_lock);
+ __io_cqring_overflow_flush(ctx, force, tsk, files);
+ if (ctx->flags & IORING_SETUP_IOPOLL)
+ mutex_unlock(&ctx->uring_lock);
+ }
+}
+
static void __io_cqring_fill_event(struct io_kiocb *req, long res, long cflags)
{
struct io_ring_ctx *ctx = req->ctx;
@@ -2047,14 +2061,15 @@ static void io_req_task_cancel(struct callback_head *cb)
static void __io_req_task_submit(struct io_kiocb *req)
{
struct io_ring_ctx *ctx = req->ctx;
+ bool fail;
- if (!__io_sq_thread_acquire_mm(ctx)) {
- mutex_lock(&ctx->uring_lock);
+ fail = __io_sq_thread_acquire_mm(ctx);
+ mutex_lock(&ctx->uring_lock);
+ if (!fail)
__io_queue_sqe(req, NULL);
- mutex_unlock(&ctx->uring_lock);
- } else {
+ else
__io_req_task_cancel(req, -EFAULT);
- }
+ mutex_unlock(&ctx->uring_lock);
}
static void io_req_task_submit(struct callback_head *cb)
@@ -2234,22 +2249,10 @@ static void io_double_put_req(struct io_kiocb *req)
io_free_req(req);
}
-static unsigned io_cqring_events(struct io_ring_ctx *ctx, bool noflush)
+static unsigned io_cqring_events(struct io_ring_ctx *ctx)
{
struct io_rings *rings = ctx->rings;
- if (test_bit(0, &ctx->cq_check_overflow)) {
- /*
- * noflush == true is from the waitqueue handler, just ensure
- * we wake up the task, and the next invocation will flush the
- * entries. We cannot safely to it from here.
- */
- if (noflush)
- return -1U;
-
- io_cqring_overflow_flush(ctx, false, NULL, NULL);
- }
-
/* See comment at the top of this file */
smp_rmb();
return ctx->cached_cq_tail - READ_ONCE(rings->cq.head);
@@ -2474,7 +2477,9 @@ static int io_iopoll_check(struct io_ring_ctx *ctx, long min)
* If we do, we can potentially be spinning for commands that
* already triggered a CQE (eg in error).
*/
- if (io_cqring_events(ctx, false))
+ if (test_bit(0, &ctx->cq_check_overflow))
+ __io_cqring_overflow_flush(ctx, false, NULL, NULL);
+ if (io_cqring_events(ctx))
break;
/*
@@ -6577,7 +6582,7 @@ static int io_submit_sqes(struct io_ring_ctx *ctx, unsigned int nr)
/* if we have a backlog and couldn't flush it all, return BUSY */
if (test_bit(0, &ctx->sq_check_overflow)) {
- if (!io_cqring_overflow_flush(ctx, false, NULL, NULL))
+ if (!__io_cqring_overflow_flush(ctx, false, NULL, NULL))
return -EBUSY;
}
@@ -6866,7 +6871,7 @@ struct io_wait_queue {
unsigned nr_timeouts;
};
-static inline bool io_should_wake(struct io_wait_queue *iowq, bool noflush)
+static inline bool io_should_wake(struct io_wait_queue *iowq)
{
struct io_ring_ctx *ctx = iowq->ctx;
@@ -6875,7 +6880,7 @@ static inline bool io_should_wake(struct io_wait_queue *iowq, bool noflush)
* started waiting. For timeouts, we always want to return to userspace,
* regardless of event count.
*/
- return io_cqring_events(ctx, noflush) >= iowq->to_wait ||
+ return io_cqring_events(ctx) >= iowq->to_wait ||
atomic_read(&ctx->cq_timeouts) != iowq->nr_timeouts;
}
@@ -6885,11 +6890,13 @@ static int io_wake_function(struct wait_queue_entry *curr, unsigned int mode,
struct io_wait_queue *iowq = container_of(curr, struct io_wait_queue,
wq);
- /* use noflush == true, as we can't safely rely on locking context */
- if (!io_should_wake(iowq, true))
- return -1;
-
- return autoremove_wake_function(curr, mode, wake_flags, key);
+ /*
+ * Cannot safely flush overflowed CQEs from here, ensure we wake up
+ * the task, and the next invocation will do it.
+ */
+ if (io_should_wake(iowq) || test_bit(0, &iowq->ctx->cq_check_overflow))
+ return autoremove_wake_function(curr, mode, wake_flags, key);
+ return -1;
}
static int io_run_task_work_sig(void)
@@ -6928,7 +6935,8 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
int ret = 0;
do {
- if (io_cqring_events(ctx, false) >= min_events)
+ io_cqring_overflow_flush(ctx, false, NULL, NULL);
+ if (io_cqring_events(ctx) >= min_events)
return 0;
if (!io_run_task_work())
break;
@@ -6950,6 +6958,7 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
iowq.nr_timeouts = atomic_read(&ctx->cq_timeouts);
trace_io_uring_cqring_wait(ctx, min_events);
do {
+ io_cqring_overflow_flush(ctx, false, NULL, NULL);
prepare_to_wait_exclusive(&ctx->wait, &iowq.wq,
TASK_INTERRUPTIBLE);
/* make sure we run task_work before checking for signals */
@@ -6958,8 +6967,10 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
continue;
else if (ret < 0)
break;
- if (io_should_wake(&iowq, false))
+ if (io_should_wake(&iowq))
break;
+ if (test_bit(0, &ctx->cq_check_overflow))
+ continue;
schedule();
} while (1);
finish_wait(&ctx->wait, &iowq.wq);
@@ -7450,12 +7461,12 @@ static struct fixed_file_ref_node *alloc_fixed_file_ref_node(
ref_node = kzalloc(sizeof(*ref_node), GFP_KERNEL);
if (!ref_node)
- return ERR_PTR(-ENOMEM);
+ return NULL;
if (percpu_ref_init(&ref_node->refs, io_file_data_ref_zero,
0, GFP_KERNEL)) {
kfree(ref_node);
- return ERR_PTR(-ENOMEM);
+ return NULL;
}
INIT_LIST_HEAD(&ref_node->node);
INIT_LIST_HEAD(&ref_node->file_list);
@@ -7549,9 +7560,9 @@ static int io_sqe_files_register(struct io_ring_ctx *ctx, void __user *arg,
}
ref_node = alloc_fixed_file_ref_node(ctx);
- if (IS_ERR(ref_node)) {
+ if (!ref_node) {
io_sqe_files_unregister(ctx);
- return PTR_ERR(ref_node);
+ return -ENOMEM;
}
io_sqe_files_set_node(file_data, ref_node);
@@ -7651,8 +7662,8 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx,
return -EINVAL;
ref_node = alloc_fixed_file_ref_node(ctx);
- if (IS_ERR(ref_node))
- return PTR_ERR(ref_node);
+ if (!ref_node)
+ return -ENOMEM;
done = 0;
fds = u64_to_user_ptr(up->fds);
@@ -8384,7 +8395,8 @@ static __poll_t io_uring_poll(struct file *file, poll_table *wait)
smp_rmb();
if (!io_sqring_full(ctx))
mask |= EPOLLOUT | EPOLLWRNORM;
- if (io_cqring_events(ctx, false))
+ io_cqring_overflow_flush(ctx, false, NULL, NULL);
+ if (io_cqring_events(ctx))
mask |= EPOLLIN | EPOLLRDNORM;
return mask;
@@ -8442,7 +8454,7 @@ static void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx)
/* if force is set, the ring is going away. always drop after that */
ctx->cq_overflow_flushed = 1;
if (ctx->rings)
- io_cqring_overflow_flush(ctx, true, NULL, NULL);
+ __io_cqring_overflow_flush(ctx, true, NULL, NULL);
mutex_unlock(&ctx->uring_lock);
io_kill_timeouts(ctx, NULL);
@@ -8715,9 +8727,7 @@ static void io_uring_cancel_task_requests(struct io_ring_ctx *ctx,
}
io_cancel_defer_files(ctx, task, files);
- io_ring_submit_lock(ctx, (ctx->flags & IORING_SETUP_IOPOLL));
io_cqring_overflow_flush(ctx, true, task, files);
- io_ring_submit_unlock(ctx, (ctx->flags & IORING_SETUP_IOPOLL));
while (__io_uring_cancel_task_requests(ctx, task, files)) {
io_run_task_work();
@@ -9023,10 +9033,8 @@ SYSCALL_DEFINE6(io_uring_enter, unsigned int, fd, u32, to_submit,
*/
ret = 0;
if (ctx->flags & IORING_SETUP_SQPOLL) {
- io_ring_submit_lock(ctx, (ctx->flags & IORING_SETUP_IOPOLL));
- if (!list_empty_careful(&ctx->cq_overflow_list))
- io_cqring_overflow_flush(ctx, false, NULL, NULL);
- io_ring_submit_unlock(ctx, (ctx->flags & IORING_SETUP_IOPOLL));
+ io_cqring_overflow_flush(ctx, false, NULL, NULL);
+
if (flags & IORING_ENTER_SQ_WAKEUP)
wake_up(&ctx->sq_data->wait);
if (flags & IORING_ENTER_SQ_WAIT)
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 3e01d8f2ab90..dcab112e1f00 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -1285,26 +1285,23 @@ static int do_fanotify_mark(int fanotify_fd, unsigned int flags, __u64 mask,
return ret;
}
+#ifndef CONFIG_ARCH_SPLIT_ARG64
SYSCALL_DEFINE5(fanotify_mark, int, fanotify_fd, unsigned int, flags,
__u64, mask, int, dfd,
const char __user *, pathname)
{
return do_fanotify_mark(fanotify_fd, flags, mask, dfd, pathname);
}
+#endif
-#ifdef CONFIG_COMPAT
-COMPAT_SYSCALL_DEFINE6(fanotify_mark,
+#if defined(CONFIG_ARCH_SPLIT_ARG64) || defined(CONFIG_COMPAT)
+SYSCALL32_DEFINE6(fanotify_mark,
int, fanotify_fd, unsigned int, flags,
- __u32, mask0, __u32, mask1, int, dfd,
+ SC_ARG64(mask), int, dfd,
const char __user *, pathname)
{
- return do_fanotify_mark(fanotify_fd, flags,
-#ifdef __BIG_ENDIAN
- ((__u64)mask0 << 32) | mask1,
-#else
- ((__u64)mask1 << 32) | mask0,
-#endif
- dfd, pathname);
+ return do_fanotify_mark(fanotify_fd, flags, SC_VAL64(__u64, mask),
+ dfd, pathname);
}
#endif
diff --git a/fs/zonefs/Kconfig b/fs/zonefs/Kconfig
index ef2697b78820..827278f937fe 100644
--- a/fs/zonefs/Kconfig
+++ b/fs/zonefs/Kconfig
@@ -3,6 +3,7 @@ config ZONEFS_FS
depends on BLOCK
depends on BLK_DEV_ZONED
select FS_IOMAP
+ select CRC32
help
zonefs is a simple file system which exposes zones of a zoned block
device (e.g. host-managed or host-aware SMR disk drives) as files.
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 37bea07c12f2..aea0ce9f3b74 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -251,6 +251,30 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#endif /* __SYSCALL_DEFINEx */
+/* For split 64-bit arguments on 32-bit architectures */
+#ifdef __LITTLE_ENDIAN
+#define SC_ARG64(name) u32, name##_lo, u32, name##_hi
+#else
+#define SC_ARG64(name) u32, name##_hi, u32, name##_lo
+#endif
+#define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo)
+
+#ifdef CONFIG_COMPAT
+#define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1
+#define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2
+#define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3
+#define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4
+#define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5
+#define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6
+#else
+#define SYSCALL32_DEFINE1 SYSCALL_DEFINE1
+#define SYSCALL32_DEFINE2 SYSCALL_DEFINE2
+#define SYSCALL32_DEFINE3 SYSCALL_DEFINE3
+#define SYSCALL32_DEFINE4 SYSCALL_DEFINE4
+#define SYSCALL32_DEFINE5 SYSCALL_DEFINE5
+#define SYSCALL32_DEFINE6 SYSCALL_DEFINE6
+#endif
+
/*
* Called before coming back to user-mode. Returning to user-mode with an
* address limit different than USER_DS can allow to overwrite kernel memory.
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index 4f4e93bf814c..cc17bc957548 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -58,10 +58,6 @@ struct xdp_sock {
struct xsk_queue *tx ____cacheline_aligned_in_smp;
struct list_head tx_list;
- /* Mutual exclusion of NAPI TX thread and sendmsg error paths
- * in the SKB destructor callback.
- */
- spinlock_t tx_completion_lock;
/* Protects generic receive. */
spinlock_t rx_lock;
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h
index 01755b838c74..eaa8386dbc63 100644
--- a/include/net/xsk_buff_pool.h
+++ b/include/net/xsk_buff_pool.h
@@ -73,6 +73,11 @@ struct xsk_buff_pool {
bool dma_need_sync;
bool unaligned;
void *addrs;
+ /* Mutual exclusion of the completion ring in the SKB mode. Two cases to protect:
+ * NAPI TX thread and sendmsg error paths in the SKB destructor callback and when
+ * sockets share a single cq when the same netdev and queue id is shared.
+ */
+ spinlock_t cq_lock;
struct xdp_buff_xsk *free_heads[];
};
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index f292e0267bb9..15bbfaf943fd 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -284,7 +284,8 @@ static int register_vlan_device(struct net_device *real_dev, u16 vlan_id)
return 0;
out_free_newdev:
- if (new_dev->reg_state == NETREG_UNINITIALIZED)
+ if (new_dev->reg_state == NETREG_UNINITIALIZED ||
+ new_dev->reg_state == NETREG_UNREGISTERED)
free_netdev(new_dev);
return err;
}
diff --git a/net/can/isotp.c b/net/can/isotp.c
index 26bdc3c20b7e..8bd565f2073e 100644
--- a/net/can/isotp.c
+++ b/net/can/isotp.c
@@ -1139,6 +1139,7 @@ static int isotp_getname(struct socket *sock, struct sockaddr *uaddr, int peer)
if (peer)
return -EOPNOTSUPP;
+ memset(addr, 0, sizeof(*addr));
addr->can_family = AF_CAN;
addr->can_ifindex = so->ifindex;
addr->can_addr.tp.rx_id = so->rxid;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index e578544b2cc7..fbadd93b95ac 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2011,6 +2011,12 @@ int pskb_trim_rcsum_slow(struct sk_buff *skb, unsigned int len)
skb->csum = csum_block_sub(skb->csum,
skb_checksum(skb, len, delta, 0),
len);
+ } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ int hdlen = (len > skb_headlen(skb)) ? skb_headlen(skb) : len;
+ int offset = skb_checksum_start_offset(skb) + skb->csum_offset;
+
+ if (offset + sizeof(__sum16) > hdlen)
+ return -EINVAL;
}
return __pskb_trim(skb, len);
}
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 879b76ae4435..97975bed491a 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -302,7 +302,7 @@ static int __ip_finish_output(struct net *net, struct sock *sk, struct sk_buff *
if (skb_is_gso(skb))
return ip_finish_output_gso(net, sk, skb, mtu);
- if (skb->len > mtu || (IPCB(skb)->flags & IPSKB_FRAG_PMTU))
+ if (skb->len > mtu || IPCB(skb)->frag_max_size)
return ip_fragment(net, sk, skb, mtu, ip_finish_output2);
return ip_finish_output2(net, sk, skb);
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index ee65c9225178..64594aa755f0 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -759,8 +759,11 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
goto tx_error;
}
- if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off, inner_iph,
- 0, 0, false)) {
+ df = tnl_params->frag_off;
+ if (skb->protocol == htons(ETH_P_IP) && !tunnel->ignore_df)
+ df |= (inner_iph->frag_off & htons(IP_DF));
+
+ if (tnl_update_pmtu(dev, skb, rt, df, inner_iph, 0, 0, false)) {
ip_rt_put(rt);
goto tx_error;
}
@@ -788,10 +791,6 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
ttl = ip4_dst_hoplimit(&rt->dst);
}
- df = tnl_params->frag_off;
- if (skb->protocol == htons(ETH_P_IP) && !tunnel->ignore_df)
- df |= (inner_iph->frag_off&htons(IP_DF));
-
max_headroom = LL_RESERVED_SPACE(rt->dst.dev) + sizeof(struct iphdr)
+ rt->dst.header_len + ip_encap_hlen(&tunnel->encap);
if (max_headroom > dev->needed_headroom)
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index 0dc43ad28eb9..f63f7ada51b3 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -496,7 +496,7 @@ static int nh_check_attr_group(struct net *net, struct nlattr *tb[],
for (i = NHA_GROUP_TYPE + 1; i < __NHA_MAX; ++i) {
if (!tb[i])
continue;
- if (tb[NHA_FDB])
+ if (i == NHA_FDB)
continue;
NL_SET_ERR_MSG(extack,
"No other attributes can be set in nexthop groups");
@@ -1277,8 +1277,10 @@ static struct nexthop *nexthop_create_group(struct net *net,
return nh;
out_no_nh:
- for (; i >= 0; --i)
+ for (i--; i >= 0; --i) {
+ list_del(&nhg->nh_entries[i].nh_list);
nexthop_put(nhg->nh_entries[i].nh);
+ }
kfree(nhg->spare);
kfree(nhg);
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 605cdd38a919..f43e27555725 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1025,6 +1025,8 @@ static void fib6_purge_rt(struct fib6_info *rt, struct fib6_node *fn,
{
struct fib6_table *table = rt->fib6_table;
+ /* Flush all cached dst in exception table */
+ rt6_flush_exceptions(rt);
fib6_drop_pcpu_from(rt, table);
if (rt->nh && !list_empty(&rt->nh_list))
@@ -1927,9 +1929,6 @@ static void fib6_del_route(struct fib6_table *table, struct fib6_node *fn,
net->ipv6.rt6_stats->fib_rt_entries--;
net->ipv6.rt6_stats->fib_discarded_routes++;
- /* Flush all cached dst in exception table */
- rt6_flush_exceptions(rt);
-
/* Reset round-robin state, if necessary */
if (rcu_access_pointer(fn->rr_ptr) == rt)
fn->rr_ptr = NULL;
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 189cfbbcccc0..d5f42c62fd79 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -364,9 +364,9 @@ static void xsk_destruct_skb(struct sk_buff *skb)
struct xdp_sock *xs = xdp_sk(skb->sk);
unsigned long flags;
- spin_lock_irqsave(&xs->tx_completion_lock, flags);
+ spin_lock_irqsave(&xs->pool->cq_lock, flags);
xskq_prod_submit_addr(xs->pool->cq, addr);
- spin_unlock_irqrestore(&xs->tx_completion_lock, flags);
+ spin_unlock_irqrestore(&xs->pool->cq_lock, flags);
sock_wfree(skb);
}
@@ -378,6 +378,7 @@ static int xsk_generic_xmit(struct sock *sk)
bool sent_frame = false;
struct xdp_desc desc;
struct sk_buff *skb;
+ unsigned long flags;
int err = 0;
mutex_lock(&xs->mutex);
@@ -409,10 +410,13 @@ static int xsk_generic_xmit(struct sock *sk)
* if there is space in it. This avoids having to implement
* any buffering in the Tx path.
*/
+ spin_lock_irqsave(&xs->pool->cq_lock, flags);
if (unlikely(err) || xskq_prod_reserve(xs->pool->cq)) {
+ spin_unlock_irqrestore(&xs->pool->cq_lock, flags);
kfree_skb(skb);
goto out;
}
+ spin_unlock_irqrestore(&xs->pool->cq_lock, flags);
skb->dev = xs->dev;
skb->priority = sk->sk_priority;
@@ -424,6 +428,9 @@ static int xsk_generic_xmit(struct sock *sk)
if (err == NETDEV_TX_BUSY) {
/* Tell user-space to retry the send */
skb->destructor = sock_wfree;
+ spin_lock_irqsave(&xs->pool->cq_lock, flags);
+ xskq_prod_cancel(xs->pool->cq);
+ spin_unlock_irqrestore(&xs->pool->cq_lock, flags);
/* Free skb without triggering the perf drop trace */
consume_skb(skb);
err = -EAGAIN;
@@ -1197,7 +1204,6 @@ static int xsk_create(struct net *net, struct socket *sock, int protocol,
xs->state = XSK_READY;
mutex_init(&xs->mutex);
spin_lock_init(&xs->rx_lock);
- spin_lock_init(&xs->tx_completion_lock);
INIT_LIST_HEAD(&xs->map_list);
spin_lock_init(&xs->map_list_lock);
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index 46c2ae7d91d1..2ef6f926610e 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -71,6 +71,7 @@ struct xsk_buff_pool *xp_create_and_assign_umem(struct xdp_sock *xs,
INIT_LIST_HEAD(&pool->free_list);
INIT_LIST_HEAD(&pool->xsk_tx_list);
spin_lock_init(&pool->xsk_tx_list_lock);
+ spin_lock_init(&pool->cq_lock);
refcount_set(&pool->users, 1);
pool->fq = xs->fq_tmp;
diff --git a/net/xdp/xsk_queue.h b/net/xdp/xsk_queue.h
index 9e71b9f27679..ef6de0fb4e31 100644
--- a/net/xdp/xsk_queue.h
+++ b/net/xdp/xsk_queue.h
@@ -286,6 +286,11 @@ static inline bool xskq_prod_is_full(struct xsk_queue *q)
return !free_entries;
}
+static inline void xskq_prod_cancel(struct xsk_queue *q)
+{
+ q->cached_prod--;
+}
+
static inline int xskq_prod_reserve(struct xsk_queue *q)
{
if (xskq_prod_is_full(q))
diff --git a/tools/bpf/bpftool/net.c b/tools/bpf/bpftool/net.c
index 3fae61ef6339..ff3aa0cf3997 100644
--- a/tools/bpf/bpftool/net.c
+++ b/tools/bpf/bpftool/net.c
@@ -11,7 +11,6 @@
#include <bpf/bpf.h>
#include <bpf/libbpf.h>
#include <net/if.h>
-#include <linux/if.h>
#include <linux/rtnetlink.h>
#include <linux/socket.h>
#include <linux/tc_act/tc_bpf.h>
diff --git a/tools/include/uapi/linux/fscrypt.h b/tools/include/uapi/linux/fscrypt.h
index e5de60336938..9f4428be3e36 100644
--- a/tools/include/uapi/linux/fscrypt.h
+++ b/tools/include/uapi/linux/fscrypt.h
@@ -20,7 +20,6 @@
#define FSCRYPT_POLICY_FLAG_DIRECT_KEY 0x04
#define FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64 0x08
#define FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32 0x10
-#define FSCRYPT_POLICY_FLAGS_VALID 0x1F
/* Encryption algorithms */
#define FSCRYPT_MODE_AES_256_XTS 1
@@ -28,7 +27,7 @@
#define FSCRYPT_MODE_AES_128_CBC 5
#define FSCRYPT_MODE_AES_128_CTS 6
#define FSCRYPT_MODE_ADIANTUM 9
-#define __FSCRYPT_MODE_MAX 9
+/* If adding a mode number > 9, update FSCRYPT_MODE_MAX in fscrypt_private.h */
/*
* Legacy policy version; ad-hoc KDF and no key verification.
@@ -177,7 +176,7 @@ struct fscrypt_get_key_status_arg {
#define FS_POLICY_FLAGS_PAD_32 FSCRYPT_POLICY_FLAGS_PAD_32
#define FS_POLICY_FLAGS_PAD_MASK FSCRYPT_POLICY_FLAGS_PAD_MASK
#define FS_POLICY_FLAG_DIRECT_KEY FSCRYPT_POLICY_FLAG_DIRECT_KEY
-#define FS_POLICY_FLAGS_VALID FSCRYPT_POLICY_FLAGS_VALID
+#define FS_POLICY_FLAGS_VALID 0x07 /* contains old flags only */
#define FS_ENCRYPTION_MODE_INVALID 0 /* never used */
#define FS_ENCRYPTION_MODE_AES_256_XTS FSCRYPT_MODE_AES_256_XTS
#define FS_ENCRYPTION_MODE_AES_256_GCM 2 /* never used */
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 136df8c10281..9359377aeb35 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -146,6 +146,9 @@ VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
/sys/kernel/btf/vmlinux \
/boot/vmlinux-$(shell uname -r)
VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
+ifeq ($(VMLINUX_BTF),)
+$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)")
+endif
DEFAULT_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool
diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index eb693a3b7b4a..4c7d33618437 100755
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -869,7 +869,7 @@ ipv6_torture()
pid3=$!
ip netns exec me ping -f 2001:db8:101::2 >/dev/null 2>&1 &
pid4=$!
- ip netns exec me mausezahn veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
+ ip netns exec me mausezahn -6 veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
pid5=$!
sleep 300
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 6bbf69a28e12..3367fb5f2fef 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -162,7 +162,15 @@
# - list_flush_ipv6_exception
# Using the same topology as in pmtu_ipv6, create exceptions, and check
# they are shown when listing exception caches, gone after flushing them
-
+#
+# - pmtu_ipv4_route_change
+# Use the same topology as in pmtu_ipv4, but issue a route replacement
+# command and delete the corresponding device afterward. This tests for
+# proper cleanup of the PMTU exceptions by the route replacement path.
+# Device unregistration should complete successfully
+#
+# - pmtu_ipv6_route_change
+# Same as above but with IPv6
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
@@ -224,7 +232,9 @@ tests="
cleanup_ipv4_exception ipv4: cleanup of cached exceptions 1
cleanup_ipv6_exception ipv6: cleanup of cached exceptions 1
list_flush_ipv4_exception ipv4: list and flush cached exceptions 1
- list_flush_ipv6_exception ipv6: list and flush cached exceptions 1"
+ list_flush_ipv6_exception ipv6: list and flush cached exceptions 1
+ pmtu_ipv4_route_change ipv4: PMTU exception w/route replace 1
+ pmtu_ipv6_route_change ipv6: PMTU exception w/route replace 1"
NS_A="ns-A"
NS_B="ns-B"
@@ -1770,6 +1780,63 @@ test_list_flush_ipv6_exception() {
return ${fail}
}
+test_pmtu_ipvX_route_change() {
+ family=${1}
+
+ setup namespaces routing || return 2
+ trace "${ns_a}" veth_A-R1 "${ns_r1}" veth_R1-A \
+ "${ns_r1}" veth_R1-B "${ns_b}" veth_B-R1 \
+ "${ns_a}" veth_A-R2 "${ns_r2}" veth_R2-A \
+ "${ns_r2}" veth_R2-B "${ns_b}" veth_B-R2
+
+ if [ ${family} -eq 4 ]; then
+ ping=ping
+ dst1="${prefix4}.${b_r1}.1"
+ dst2="${prefix4}.${b_r2}.1"
+ gw="${prefix4}.${a_r1}.2"
+ else
+ ping=${ping6}
+ dst1="${prefix6}:${b_r1}::1"
+ dst2="${prefix6}:${b_r2}::1"
+ gw="${prefix6}:${a_r1}::2"
+ fi
+
+ # Set up initial MTU values
+ mtu "${ns_a}" veth_A-R1 2000
+ mtu "${ns_r1}" veth_R1-A 2000
+ mtu "${ns_r1}" veth_R1-B 1400
+ mtu "${ns_b}" veth_B-R1 1400
+
+ mtu "${ns_a}" veth_A-R2 2000
+ mtu "${ns_r2}" veth_R2-A 2000
+ mtu "${ns_r2}" veth_R2-B 1500
+ mtu "${ns_b}" veth_B-R2 1500
+
+ # Create route exceptions
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1800 ${dst1}
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1800 ${dst2}
+
+ # Check that exceptions have been created with the correct PMTU
+ pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst1})"
+ check_pmtu_value "1400" "${pmtu_1}" "exceeding MTU" || return 1
+ pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst2})"
+ check_pmtu_value "1500" "${pmtu_2}" "exceeding MTU" || return 1
+
+ # Replace the route from A to R1
+ run_cmd ${ns_a} ip route change default via ${gw}
+
+ # Delete the device in A
+ run_cmd ${ns_a} ip link del "veth_A-R1"
+}
+
+test_pmtu_ipv4_route_change() {
+ test_pmtu_ipvX_route_change 4
+}
+
+test_pmtu_ipv6_route_change() {
+ test_pmtu_ipvX_route_change 6
+}
+
usage() {
echo
echo "$0 [OPTIONS] [TEST]..."
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