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Date: Sat, 25 May 2019 19:01:06 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.14.122
diff --git a/Makefile b/Makefile
index 0e4063e1d0d7..0c4424292649 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 121
+SUBLEVEL = 122
EXTRAVERSION =
NAME = Petit Gorille
diff --git a/arch/parisc/boot/compressed/head.S b/arch/parisc/boot/compressed/head.S
index 5aba20fa48aa..e8b798fd0cf0 100644
--- a/arch/parisc/boot/compressed/head.S
+++ b/arch/parisc/boot/compressed/head.S
@@ -22,7 +22,7 @@
__HEAD
ENTRY(startup)
- .level LEVEL
+ .level PA_ASM_LEVEL
#define PSW_W_SM 0x200
#define PSW_W_BIT 36
@@ -63,7 +63,7 @@ $bss_loop:
load32 BOOTADDR(decompress_kernel),%r3
#ifdef CONFIG_64BIT
- .level LEVEL
+ .level PA_ASM_LEVEL
ssm PSW_W_SM, %r0 /* set W-bit */
depdi 0, 31, 32, %r3
#endif
@@ -72,7 +72,7 @@ $bss_loop:
startup_continue:
#ifdef CONFIG_64BIT
- .level LEVEL
+ .level PA_ASM_LEVEL
rsm PSW_W_SM, %r0 /* clear W-bit */
#endif
diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h
index 60e6f07b7e32..eb83d65153b8 100644
--- a/arch/parisc/include/asm/assembly.h
+++ b/arch/parisc/include/asm/assembly.h
@@ -59,14 +59,14 @@
#define LDCW ldcw,co
#define BL b,l
# ifdef CONFIG_64BIT
-# define LEVEL 2.0w
+# define PA_ASM_LEVEL 2.0w
# else
-# define LEVEL 2.0
+# define PA_ASM_LEVEL 2.0
# endif
#else
#define LDCW ldcw
#define BL bl
-#define LEVEL 1.1
+#define PA_ASM_LEVEL 1.1
#endif
#ifdef __ASSEMBLY__
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index bbbe360b458f..9b99eb0712ad 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -22,7 +22,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
- .level LEVEL
+ .level PA_ASM_LEVEL
__INITDATA
ENTRY(boot_args)
@@ -254,7 +254,7 @@ stext_pdc_ret:
ldo R%PA(fault_vector_11)(%r10),%r10
$is_pa20:
- .level LEVEL /* restore 1.1 || 2.0w */
+ .level PA_ASM_LEVEL /* restore 1.1 || 2.0w */
#endif /*!CONFIG_64BIT*/
load32 PA(fault_vector_20),%r10
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 4d712c1d64b8..77650dc80830 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -192,6 +192,7 @@ int dump_task_fpu (struct task_struct *tsk, elf_fpregset_t *r)
*/
int running_on_qemu __read_mostly;
+EXPORT_SYMBOL(running_on_qemu);
void __cpuidle arch_cpu_idle_dead(void)
{
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 5f7e57fcaeef..0cf379acb5ed 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -48,7 +48,7 @@ registers).
*/
#define KILL_INSN break 0,0
- .level LEVEL
+ .level PA_ASM_LEVEL
.text
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 09896f1c114f..e09ba4bc8b98 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -853,7 +853,7 @@ ENTRY(switch_to_thread_stack)
ret
END(switch_to_thread_stack)
-.macro idtentry sym do_sym has_error_code:req paranoid=0 shift_ist=-1
+.macro idtentry sym do_sym has_error_code:req paranoid=0 shift_ist=-1 create_gap=0
ENTRY(\sym)
UNWIND_HINT_IRET_REGS offset=\has_error_code*8
@@ -873,6 +873,20 @@ ENTRY(\sym)
jnz .Lfrom_usermode_switch_stack_\@
.endif
+ .if \create_gap == 1
+ /*
+ * If coming from kernel space, create a 6-word gap to allow the
+ * int3 handler to emulate a call instruction.
+ */
+ testb $3, CS-ORIG_RAX(%rsp)
+ jnz .Lfrom_usermode_no_gap_\@
+ .rept 6
+ pushq 5*8(%rsp)
+ .endr
+ UNWIND_HINT_IRET_REGS offset=8
+.Lfrom_usermode_no_gap_\@:
+ .endif
+
.if \paranoid
call paranoid_entry
.else
@@ -1093,7 +1107,7 @@ apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \
#endif /* CONFIG_HYPERV */
idtentry debug do_debug has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
-idtentry int3 do_int3 has_error_code=0
+idtentry int3 do_int3 has_error_code=0 create_gap=1
idtentry stack_segment do_stack_segment has_error_code=1
#ifdef CONFIG_XEN
diff --git a/arch/x86/include/asm/text-patching.h b/arch/x86/include/asm/text-patching.h
index 2ecd34e2d46c..ab3b9887e140 100644
--- a/arch/x86/include/asm/text-patching.h
+++ b/arch/x86/include/asm/text-patching.h
@@ -38,4 +38,32 @@ extern void *text_poke(void *addr, const void *opcode, size_t len);
extern int poke_int3_handler(struct pt_regs *regs);
extern void *text_poke_bp(void *addr, const void *opcode, size_t len, void *handler);
+static inline void int3_emulate_jmp(struct pt_regs *regs, unsigned long ip)
+{
+ regs->ip = ip;
+}
+
+#define INT3_INSN_SIZE 1
+#define CALL_INSN_SIZE 5
+
+#ifdef CONFIG_X86_64
+static inline void int3_emulate_push(struct pt_regs *regs, unsigned long val)
+{
+ /*
+ * The int3 handler in entry_64.S adds a gap between the
+ * stack where the break point happened, and the saving of
+ * pt_regs. We can extend the original stack because of
+ * this gap. See the idtentry macro's create_gap option.
+ */
+ regs->sp -= sizeof(unsigned long);
+ *(unsigned long *)regs->sp = val;
+}
+
+static inline void int3_emulate_call(struct pt_regs *regs, unsigned long func)
+{
+ int3_emulate_push(regs, regs->ip - INT3_INSN_SIZE + CALL_INSN_SIZE);
+ int3_emulate_jmp(regs, func);
+}
+#endif
+
#endif /* _ASM_X86_TEXT_PATCHING_H */
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 7acb87cb2da8..c020ba4b7eb6 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -30,6 +30,7 @@
#include <asm/sections.h>
#include <asm/ftrace.h>
#include <asm/nops.h>
+#include <asm/text-patching.h>
#ifdef CONFIG_DYNAMIC_FTRACE
@@ -229,6 +230,7 @@ int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
}
static unsigned long ftrace_update_func;
+static unsigned long ftrace_update_func_call;
static int update_ftrace_func(unsigned long ip, void *new)
{
@@ -257,6 +259,8 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
unsigned char *new;
int ret;
+ ftrace_update_func_call = (unsigned long)func;
+
new = ftrace_call_replace(ip, (unsigned long)func);
ret = update_ftrace_func(ip, new);
@@ -292,13 +296,28 @@ int ftrace_int3_handler(struct pt_regs *regs)
if (WARN_ON_ONCE(!regs))
return 0;
- ip = regs->ip - 1;
- if (!ftrace_location(ip) && !is_ftrace_caller(ip))
- return 0;
+ ip = regs->ip - INT3_INSN_SIZE;
- regs->ip += MCOUNT_INSN_SIZE - 1;
+#ifdef CONFIG_X86_64
+ if (ftrace_location(ip)) {
+ int3_emulate_call(regs, (unsigned long)ftrace_regs_caller);
+ return 1;
+ } else if (is_ftrace_caller(ip)) {
+ if (!ftrace_update_func_call) {
+ int3_emulate_jmp(regs, ip + CALL_INSN_SIZE);
+ return 1;
+ }
+ int3_emulate_call(regs, ftrace_update_func_call);
+ return 1;
+ }
+#else
+ if (ftrace_location(ip) || is_ftrace_caller(ip)) {
+ int3_emulate_jmp(regs, ip + CALL_INSN_SIZE);
+ return 1;
+ }
+#endif
- return 1;
+ return 0;
}
static int ftrace_write(unsigned long ip, const char *val, int size)
@@ -869,6 +888,8 @@ void arch_ftrace_update_trampoline(struct ftrace_ops *ops)
func = ftrace_ops_get_func(ops);
+ ftrace_update_func_call = (unsigned long)func;
+
/* Do a safe modify in case the trampoline is executing */
new = ftrace_call_replace(ip, (unsigned long)func);
ret = update_ftrace_func(ip, new);
@@ -965,6 +986,7 @@ static int ftrace_mod_jmp(unsigned long ip, void *func)
{
unsigned char *new;
+ ftrace_update_func_call = 0UL;
new = ftrace_jmp_replace(ip, (unsigned long)func);
return update_ftrace_func(ip, new);
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index d435c89875c1..60b410ff31e8 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -6,6 +6,18 @@
# Produces uninteresting flaky coverage.
KCOV_INSTRUMENT_delay.o := n
+# Early boot use of cmdline; don't instrument it
+ifdef CONFIG_AMD_MEM_ENCRYPT
+KCOV_INSTRUMENT_cmdline.o := n
+KASAN_SANITIZE_cmdline.o := n
+
+ifdef CONFIG_FUNCTION_TRACER
+CFLAGS_REMOVE_cmdline.o = -pg
+endif
+
+CFLAGS_cmdline.o := $(call cc-option, -fno-stack-protector)
+endif
+
inat_tables_script = $(srctree)/arch/x86/tools/gen-insn-attr-x86.awk
inat_tables_maps = $(srctree)/arch/x86/lib/x86-opcode-map.txt
quiet_cmd_inat_tables = GEN $@
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index cb3672cfdaaa..536c9ac3b848 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -387,7 +387,7 @@ static int really_probe(struct device *dev, struct device_driver *drv)
ret = dma_configure(dev);
if (ret)
- goto dma_failed;
+ goto probe_failed;
if (driver_sysfs_add(dev)) {
printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n",
@@ -442,14 +442,13 @@ static int really_probe(struct device *dev, struct device_driver *drv)
goto done;
probe_failed:
- dma_deconfigure(dev);
-dma_failed:
if (dev->bus)
blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
BUS_NOTIFY_DRIVER_NOT_BOUND, dev);
pinctrl_bind_failed:
device_links_no_driver(dev);
devres_release_all(dev);
+ dma_deconfigure(dev);
driver_sysfs_remove(dev);
dev->driver = NULL;
dev_set_drvdata(dev, NULL);
diff --git a/drivers/clk/hisilicon/clk-hi3660.c b/drivers/clk/hisilicon/clk-hi3660.c
index f40419959656..794eeff0d5d2 100644
--- a/drivers/clk/hisilicon/clk-hi3660.c
+++ b/drivers/clk/hisilicon/clk-hi3660.c
@@ -163,8 +163,12 @@ static const struct hisi_gate_clock hi3660_crgctrl_gate_sep_clks[] = {
"clk_isp_snclk_mux", CLK_SET_RATE_PARENT, 0x50, 17, 0, },
{ HI3660_CLK_GATE_ISP_SNCLK2, "clk_gate_isp_snclk2",
"clk_isp_snclk_mux", CLK_SET_RATE_PARENT, 0x50, 18, 0, },
+ /*
+ * clk_gate_ufs_subsys is a system bus clock, mark it as critical
+ * clock and keep it on for system suspend and resume.
+ */
{ HI3660_CLK_GATE_UFS_SUBSYS, "clk_gate_ufs_subsys", "clk_div_sysbus",
- CLK_SET_RATE_PARENT, 0x50, 21, 0, },
+ CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, 0x50, 21, 0, },
{ HI3660_PCLK_GATE_DSI0, "pclk_gate_dsi0", "clk_div_cfgbus",
CLK_SET_RATE_PARENT, 0x50, 28, 0, },
{ HI3660_PCLK_GATE_DSI1, "pclk_gate_dsi1", "clk_div_cfgbus",
diff --git a/drivers/clk/rockchip/clk-rk3328.c b/drivers/clk/rockchip/clk-rk3328.c
index 559abf76891e..33d1cf4e6d80 100644
--- a/drivers/clk/rockchip/clk-rk3328.c
+++ b/drivers/clk/rockchip/clk-rk3328.c
@@ -458,7 +458,7 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = {
RK3328_CLKSEL_CON(35), 15, 1, MFLAGS, 8, 7, DFLAGS,
RK3328_CLKGATE_CON(2), 12, GFLAGS),
COMPOSITE(SCLK_CRYPTO, "clk_crypto", mux_2plls_p, 0,
- RK3328_CLKSEL_CON(20), 7, 1, MFLAGS, 0, 7, DFLAGS,
+ RK3328_CLKSEL_CON(20), 7, 1, MFLAGS, 0, 5, DFLAGS,
RK3328_CLKGATE_CON(2), 4, GFLAGS),
COMPOSITE_NOMUX(SCLK_TSADC, "clk_tsadc", "clk_24m", 0,
RK3328_CLKSEL_CON(22), 0, 10, DFLAGS,
@@ -550,15 +550,15 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = {
GATE(0, "hclk_rkvenc_niu", "hclk_rkvenc", CLK_IGNORE_UNUSED,
RK3328_CLKGATE_CON(25), 1, GFLAGS),
GATE(ACLK_H265, "aclk_h265", "aclk_rkvenc", 0,
- RK3328_CLKGATE_CON(25), 0, GFLAGS),
+ RK3328_CLKGATE_CON(25), 2, GFLAGS),
GATE(PCLK_H265, "pclk_h265", "hclk_rkvenc", 0,
- RK3328_CLKGATE_CON(25), 1, GFLAGS),
+ RK3328_CLKGATE_CON(25), 3, GFLAGS),
GATE(ACLK_H264, "aclk_h264", "aclk_rkvenc", 0,
- RK3328_CLKGATE_CON(25), 0, GFLAGS),
+ RK3328_CLKGATE_CON(25), 4, GFLAGS),
GATE(HCLK_H264, "hclk_h264", "hclk_rkvenc", 0,
- RK3328_CLKGATE_CON(25), 1, GFLAGS),
+ RK3328_CLKGATE_CON(25), 5, GFLAGS),
GATE(ACLK_AXISRAM, "aclk_axisram", "aclk_rkvenc", CLK_IGNORE_UNUSED,
- RK3328_CLKGATE_CON(25), 0, GFLAGS),
+ RK3328_CLKGATE_CON(25), 6, GFLAGS),
COMPOSITE(SCLK_VENC_CORE, "sclk_venc_core", mux_4plls_p, 0,
RK3328_CLKSEL_CON(51), 14, 2, MFLAGS, 8, 5, DFLAGS,
@@ -663,7 +663,7 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = {
/* PD_GMAC */
COMPOSITE(ACLK_GMAC, "aclk_gmac", mux_2plls_hdmiphy_p, 0,
- RK3328_CLKSEL_CON(35), 6, 2, MFLAGS, 0, 5, DFLAGS,
+ RK3328_CLKSEL_CON(25), 6, 2, MFLAGS, 0, 5, DFLAGS,
RK3328_CLKGATE_CON(3), 2, GFLAGS),
COMPOSITE_NOMUX(PCLK_GMAC, "pclk_gmac", "aclk_gmac", 0,
RK3328_CLKSEL_CON(25), 8, 3, DFLAGS,
@@ -733,7 +733,7 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = {
/* PD_PERI */
GATE(0, "aclk_peri_noc", "aclk_peri", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(19), 11, GFLAGS),
- GATE(ACLK_USB3OTG, "aclk_usb3otg", "aclk_peri", 0, RK3328_CLKGATE_CON(19), 4, GFLAGS),
+ GATE(ACLK_USB3OTG, "aclk_usb3otg", "aclk_peri", 0, RK3328_CLKGATE_CON(19), 14, GFLAGS),
GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 0, GFLAGS),
GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 1, GFLAGS),
@@ -894,7 +894,7 @@ static void __init rk3328_clk_init(struct device_node *np)
&rk3328_cpuclk_data, rk3328_cpuclk_rates,
ARRAY_SIZE(rk3328_cpuclk_rates));
- rockchip_register_softrst(np, 11, reg_base + RK3328_SOFTRST_CON(0),
+ rockchip_register_softrst(np, 12, reg_base + RK3328_SOFTRST_CON(0),
ROCKCHIP_SOFTRST_HIWORD_MASK);
rockchip_register_restart_notifier(ctx, RK3328_GLB_SRST_FST, NULL);
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 830d1c87fa7c..dc87866233b9 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -662,8 +662,8 @@ static void _update_pll_mnp(struct tegra_clk_pll *pll,
pll_override_writel(val, params->pmc_divp_reg, pll);
val = pll_override_readl(params->pmc_divnm_reg, pll);
- val &= ~(divm_mask(pll) << div_nmp->override_divm_shift) |
- ~(divn_mask(pll) << div_nmp->override_divn_shift);
+ val &= ~((divm_mask(pll) << div_nmp->override_divm_shift) |
+ (divn_mask(pll) << div_nmp->override_divn_shift));
val |= (cfg->m << div_nmp->override_divm_shift) |
(cfg->n << div_nmp->override_divn_shift);
pll_override_writel(val, params->pmc_divnm_reg, pll);
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 82f2b70ca5bf..36016c09dd96 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -92,6 +92,7 @@ struct msc_iter {
* @reg_base: register window base address
* @thdev: intel_th_device pointer
* @win_list: list of windows in multiblock mode
+ * @single_sgt: single mode buffer
* @nr_pages: total number of pages allocated for this buffer
* @single_sz: amount of data in single mode
* @single_wrap: single mode wrap occurred
@@ -112,6 +113,7 @@ struct msc {
struct intel_th_device *thdev;
struct list_head win_list;
+ struct sg_table single_sgt;
unsigned long nr_pages;
unsigned long single_sz;
unsigned int single_wrap : 1;
@@ -625,22 +627,45 @@ static void intel_th_msc_deactivate(struct intel_th_device *thdev)
*/
static int msc_buffer_contig_alloc(struct msc *msc, unsigned long size)
{
+ unsigned long nr_pages = size >> PAGE_SHIFT;
unsigned int order = get_order(size);
struct page *page;
+ int ret;
if (!size)
return 0;
+ ret = sg_alloc_table(&msc->single_sgt, 1, GFP_KERNEL);
+ if (ret)
+ goto err_out;
+
+ ret = -ENOMEM;
page = alloc_pages(GFP_KERNEL | __GFP_ZERO, order);
if (!page)
- return -ENOMEM;
+ goto err_free_sgt;
split_page(page, order);
- msc->nr_pages = size >> PAGE_SHIFT;
+ sg_set_buf(msc->single_sgt.sgl, page_address(page), size);
+
+ ret = dma_map_sg(msc_dev(msc)->parent->parent, msc->single_sgt.sgl, 1,
+ DMA_FROM_DEVICE);
+ if (ret < 0)
+ goto err_free_pages;
+
+ msc->nr_pages = nr_pages;
msc->base = page_address(page);
- msc->base_addr = page_to_phys(page);
+ msc->base_addr = sg_dma_address(msc->single_sgt.sgl);
return 0;
+
+err_free_pages:
+ __free_pages(page, order);
+
+err_free_sgt:
+ sg_free_table(&msc->single_sgt);
+
+err_out:
+ return ret;
}
/**
@@ -651,6 +676,10 @@ static void msc_buffer_contig_free(struct msc *msc)
{
unsigned long off;
+ dma_unmap_sg(msc_dev(msc)->parent->parent, msc->single_sgt.sgl,
+ 1, DMA_FROM_DEVICE);
+ sg_free_table(&msc->single_sgt);
+
for (off = 0; off < msc->nr_pages << PAGE_SHIFT; off += PAGE_SIZE) {
struct page *page = virt_to_page(msc->base + off);
diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index 41724d18e712..f4530b08b1e5 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -226,8 +226,8 @@ stm_output_disclaim(struct stm_device *stm, struct stm_output *output)
bitmap_release_region(&master->chan_map[0], output->channel,
ilog2(output->nr_chans));
- output->nr_chans = 0;
master->nr_free += output->nr_chans;
+ output->nr_chans = 0;
}
/*
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 3b6449e2cbf1..40eb8138546a 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -94,7 +94,6 @@ static inline u32 smmu_readl(struct tegra_smmu *smmu, unsigned long offset)
#define SMMU_TLB_FLUSH_VA_MATCH_ALL (0 << 0)
#define SMMU_TLB_FLUSH_VA_MATCH_SECTION (2 << 0)
#define SMMU_TLB_FLUSH_VA_MATCH_GROUP (3 << 0)
-#define SMMU_TLB_FLUSH_ASID(x) (((x) & 0x7f) << 24)
#define SMMU_TLB_FLUSH_VA_SECTION(addr) ((((addr) & 0xffc00000) >> 12) | \
SMMU_TLB_FLUSH_VA_MATCH_SECTION)
#define SMMU_TLB_FLUSH_VA_GROUP(addr) ((((addr) & 0xffffc000) >> 12) | \
@@ -197,8 +196,12 @@ static inline void smmu_flush_tlb_asid(struct tegra_smmu *smmu,
{
u32 value;
- value = SMMU_TLB_FLUSH_ASID_MATCH | SMMU_TLB_FLUSH_ASID(asid) |
- SMMU_TLB_FLUSH_VA_MATCH_ALL;
+ if (smmu->soc->num_asids == 4)
+ value = (asid & 0x3) << 29;
+ else
+ value = (asid & 0x7f) << 24;
+
+ value |= SMMU_TLB_FLUSH_ASID_MATCH | SMMU_TLB_FLUSH_VA_MATCH_ALL;
smmu_writel(smmu, value, SMMU_TLB_FLUSH);
}
@@ -208,8 +211,12 @@ static inline void smmu_flush_tlb_section(struct tegra_smmu *smmu,
{
u32 value;
- value = SMMU_TLB_FLUSH_ASID_MATCH | SMMU_TLB_FLUSH_ASID(asid) |
- SMMU_TLB_FLUSH_VA_SECTION(iova);
+ if (smmu->soc->num_asids == 4)
+ value = (asid & 0x3) << 29;
+ else
+ value = (asid & 0x7f) << 24;
+
+ value |= SMMU_TLB_FLUSH_ASID_MATCH | SMMU_TLB_FLUSH_VA_SECTION(iova);
smmu_writel(smmu, value, SMMU_TLB_FLUSH);
}
@@ -219,8 +226,12 @@ static inline void smmu_flush_tlb_group(struct tegra_smmu *smmu,
{
u32 value;
- value = SMMU_TLB_FLUSH_ASID_MATCH | SMMU_TLB_FLUSH_ASID(asid) |
- SMMU_TLB_FLUSH_VA_GROUP(iova);
+ if (smmu->soc->num_asids == 4)
+ value = (asid & 0x3) << 29;
+ else
+ value = (asid & 0x7f) << 24;
+
+ value |= SMMU_TLB_FLUSH_ASID_MATCH | SMMU_TLB_FLUSH_VA_GROUP(iova);
smmu_writel(smmu, value, SMMU_TLB_FLUSH);
}
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index bc60db87e6f1..394e53afc259 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -1166,11 +1166,18 @@ static int __load_discards(struct dm_cache_metadata *cmd,
if (r)
return r;
- for (b = 0; b < from_dblock(cmd->discard_nr_blocks); b++) {
+ for (b = 0; ; b++) {
r = fn(context, cmd->discard_block_size, to_dblock(b),
dm_bitset_cursor_get_value(&c));
if (r)
break;
+
+ if (b >= (from_dblock(cmd->discard_nr_blocks) - 1))
+ break;
+
+ r = dm_bitset_cursor_next(&c);
+ if (r)
+ break;
}
dm_bitset_cursor_end(&c);
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 2209a9700acd..cb733a5afdc8 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -222,7 +222,8 @@ static void delay_dtr(struct dm_target *ti)
{
struct delay_c *dc = ti->private;
- destroy_workqueue(dc->kdelayd_wq);
+ if (dc->kdelayd_wq)
+ destroy_workqueue(dc->kdelayd_wq);
dm_put_device(ti, dc->dev_read);
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 34968ca6b84a..167686189fd2 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -1169,6 +1169,9 @@ static int dmz_init_zones(struct dmz_metadata *zmd)
goto out;
}
+ if (!nr_blkz)
+ break;
+
/* Process report */
for (i = 0; i < nr_blkz; i++) {
ret = dmz_init_zone(zmd, zone, &blkz[i]);
@@ -1204,6 +1207,8 @@ static int dmz_update_zone(struct dmz_metadata *zmd, struct dm_zone *zone)
/* Get zone information from disk */
ret = blkdev_report_zones(zmd->dev->bdev, dmz_start_sect(zmd, zone),
&blkz, &nr_blkz, GFP_NOIO);
+ if (!nr_blkz)
+ ret = -EIO;
if (ret) {
dmz_dev_err(zmd->dev, "Get zone %u report failed",
dmz_id(zmd, zone));
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 5599712d478e..b27a69388dcd 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2845,8 +2845,10 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len)
err = 0;
}
} else if (cmd_match(buf, "re-add")) {
- if (test_bit(Faulty, &rdev->flags) && (rdev->raid_disk == -1) &&
- rdev->saved_raid_disk >= 0) {
+ if (!rdev->mddev->pers)
+ err = -EINVAL;
+ else if (test_bit(Faulty, &rdev->flags) && (rdev->raid_disk == -1) &&
+ rdev->saved_raid_disk >= 0) {
/* clear_bit is performed _after_ all the devices
* have their local Faulty bit cleared. If any writes
* happen in the meantime in the local node, they
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index b8f887bfa06a..65608c6b6836 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4182,7 +4182,7 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,
/* now write out any block on a failed drive,
* or P or Q if they were recomputed
*/
- BUG_ON(s->uptodate < disks - 1); /* We don't need Q to recover */
+ dev = NULL;
if (s->failed == 2) {
dev = &sh->dev[s->failed_num[1]];
s->locked++;
@@ -4207,6 +4207,14 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,
set_bit(R5_LOCKED, &dev->flags);
set_bit(R5_Wantwrite, &dev->flags);
}
+ if (WARN_ONCE(dev && !test_bit(R5_UPTODATE, &dev->flags),
+ "%s: disk%td not up to date\n",
+ mdname(conf->mddev),
+ dev - (struct r5dev *) &sh->dev)) {
+ clear_bit(R5_LOCKED, &dev->flags);
+ clear_bit(R5_Wantwrite, &dev->flags);
+ s->locked--;
+ }
clear_bit(STRIPE_DEGRADED, &sh->state);
set_bit(STRIPE_INSYNC, &sh->state);
@@ -4218,15 +4226,26 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,
case check_state_check_result:
sh->check_state = check_state_idle;
- if (s->failed > 1)
- break;
/* handle a successful check operation, if parity is correct
* we are done. Otherwise update the mismatch count and repair
* parity if !MD_RECOVERY_CHECK
*/
if (sh->ops.zero_sum_result == 0) {
- /* Any parity checked was correct */
- set_bit(STRIPE_INSYNC, &sh->state);
+ /* both parities are correct */
+ if (!s->failed)
+ set_bit(STRIPE_INSYNC, &sh->state);
+ else {
+ /* in contrast to the raid5 case we can validate
+ * parity, but still have a failure to write
+ * back
+ */
+ sh->check_state = check_state_compute_result;
+ /* Returning at this point means that we may go
+ * off and bring p and/or q uptodate again so
+ * we make sure to check zero_sum_result again
+ * to verify if p or q need writeback
+ */
+ }
} else {
atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches);
if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) {
diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c
index 768f2950ea36..07bc819f5819 100644
--- a/drivers/media/i2c/ov6650.c
+++ b/drivers/media/i2c/ov6650.c
@@ -826,6 +826,8 @@ static int ov6650_video_probe(struct i2c_client *client)
if (ret < 0)
return ret;
+ msleep(20);
+
/*
* check and show product ID and manufacturer ID
*/
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
index 1d49a8dd4a37..7c040a3b45be 100644
--- a/drivers/memory/tegra/mc.c
+++ b/drivers/memory/tegra/mc.c
@@ -72,7 +72,7 @@ static int tegra_mc_setup_latency_allowance(struct tegra_mc *mc)
u32 value;
/* compute the number of MC clock cycles per tick */
- tick = mc->tick * clk_get_rate(mc->clk);
+ tick = (unsigned long long)mc->tick * clk_get_rate(mc->clk);
do_div(tick, NSEC_PER_SEC);
value = readl(mc->regs + MC_EMEM_ARB_CFG);
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 676a75f4182a..f07c0bae1f67 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -41,7 +41,7 @@ obj-$(CONFIG_DEV_APPLETALK) += appletalk/
obj-$(CONFIG_CAIF) += caif/
obj-$(CONFIG_CAN) += can/
obj-$(CONFIG_ETRAX_ETHERNET) += cris/
-obj-$(CONFIG_NET_DSA) += dsa/
+obj-y += dsa/
obj-$(CONFIG_ETHERNET) += ethernet/
obj-$(CONFIG_FDDI) += fddi/
obj-$(CONFIG_HIPPI) += hippi/
diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c
index 4c5306dbcf11..71fdd23147ea 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c
@@ -1490,7 +1490,7 @@ int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port,
rule.port = port;
rule.qpn = qpn;
INIT_LIST_HEAD(&rule.list);
- mlx4_err(dev, "going promisc on %x\n", port);
+ mlx4_info(dev, "going promisc on %x\n", port);
return mlx4_flow_attach(dev, &rule, regid_p);
}
diff --git a/drivers/net/ppp/ppp_deflate.c b/drivers/net/ppp/ppp_deflate.c
index b5edc7f96a39..685e875f5164 100644
--- a/drivers/net/ppp/ppp_deflate.c
+++ b/drivers/net/ppp/ppp_deflate.c
@@ -610,12 +610,20 @@ static struct compressor ppp_deflate_draft = {
static int __init deflate_init(void)
{
- int answer = ppp_register_compressor(&ppp_deflate);
- if (answer == 0)
- printk(KERN_INFO
- "PPP Deflate Compression module registered\n");
- ppp_register_compressor(&ppp_deflate_draft);
- return answer;
+ int rc;
+
+ rc = ppp_register_compressor(&ppp_deflate);
+ if (rc)
+ return rc;
+
+ rc = ppp_register_compressor(&ppp_deflate_draft);
+ if (rc) {
+ ppp_unregister_compressor(&ppp_deflate);
+ return rc;
+ }
+
+ pr_info("PPP Deflate Compression module registered\n");
+ return 0;
}
static void __exit deflate_cleanup(void)
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 01abe8eea753..6d39dab497f7 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1225,6 +1225,8 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */
{QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */
+ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */
+ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */
{QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */
{QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 8ba8c70571fb..7fb8bbaf2142 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -141,9 +141,9 @@ static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb,
}
/* iwl_mvm_create_skb Adds the rxb to a new skb */
-static void iwl_mvm_create_skb(struct sk_buff *skb, struct ieee80211_hdr *hdr,
- u16 len, u8 crypt_len,
- struct iwl_rx_cmd_buffer *rxb)
+static int iwl_mvm_create_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
+ struct ieee80211_hdr *hdr, u16 len, u8 crypt_len,
+ struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_rx_mpdu_desc *desc = (void *)pkt->data;
@@ -184,6 +184,20 @@ static void iwl_mvm_create_skb(struct sk_buff *skb, struct ieee80211_hdr *hdr,
* present before copying packet data.
*/
hdrlen += crypt_len;
+
+ if (WARN_ONCE(headlen < hdrlen,
+ "invalid packet lengths (hdrlen=%d, len=%d, crypt_len=%d)\n",
+ hdrlen, len, crypt_len)) {
+ /*
+ * We warn and trace because we want to be able to see
+ * it in trace-cmd as well.
+ */
+ IWL_DEBUG_RX(mvm,
+ "invalid packet lengths (hdrlen=%d, len=%d, crypt_len=%d)\n",
+ hdrlen, len, crypt_len);
+ return -EINVAL;
+ }
+
skb_put_data(skb, hdr, hdrlen);
skb_put_data(skb, (u8 *)hdr + hdrlen + pad_len, headlen - hdrlen);
@@ -196,6 +210,8 @@ static void iwl_mvm_create_skb(struct sk_buff *skb, struct ieee80211_hdr *hdr,
skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset,
fraglen, rxb->truesize);
}
+
+ return 0;
}
/* iwl_mvm_pass_packet_to_mac80211 - passes the packet for mac80211 */
@@ -1033,7 +1049,11 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
rx_status->boottime_ns = ktime_get_boot_ns();
}
- iwl_mvm_create_skb(skb, hdr, len, crypt_len, rxb);
+ if (iwl_mvm_create_skb(mvm, skb, hdr, len, crypt_len, rxb)) {
+ kfree_skb(skb);
+ goto out;
+ }
+
if (!iwl_mvm_reorder(mvm, napi, queue, sta, skb, desc))
iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta);
out:
diff --git a/drivers/net/wireless/intersil/p54/p54pci.c b/drivers/net/wireless/intersil/p54/p54pci.c
index 27a49068d32d..57ad56435dda 100644
--- a/drivers/net/wireless/intersil/p54/p54pci.c
+++ b/drivers/net/wireless/intersil/p54/p54pci.c
@@ -554,7 +554,7 @@ static int p54p_probe(struct pci_dev *pdev,
err = pci_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "Cannot enable new PCI device\n");
- return err;
+ goto err_put;
}
mem_addr = pci_resource_start(pdev, 0);
@@ -639,6 +639,7 @@ static int p54p_probe(struct pci_dev *pdev,
pci_release_regions(pdev);
err_disable_dev:
pci_disable_device(pdev);
+err_put:
pci_dev_put(pdev);
return err;
}
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index ff1a332d76e4..665e5de909b0 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -568,6 +568,9 @@ int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long d
break;
case DISPLAY_MODEL_LASI:
+ /* Skip to register LED in QEMU */
+ if (running_on_qemu)
+ return 1;
LED_DATA_REG = data_reg;
led_func_ptr = led_LASI_driver;
printk(KERN_INFO "LED display at %lx registered\n", LED_DATA_REG);
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index c0e1985e4c75..6b4e82a4b64e 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -211,6 +211,38 @@ static void pcie_clkpm_cap_init(struct pcie_link_state *link, int blacklist)
link->clkpm_capable = (blacklist) ? 0 : capable;
}
+static bool pcie_retrain_link(struct pcie_link_state *link)
+{
+ struct pci_dev *parent = link->pdev;
+ unsigned long start_jiffies;
+ u16 reg16;
+
+ pcie_capability_read_word(parent, PCI_EXP_LNKCTL, ®16);
+ reg16 |= PCI_EXP_LNKCTL_RL;
+ pcie_capability_write_word(parent, PCI_EXP_LNKCTL, reg16);
+ if (parent->clear_retrain_link) {
+ /*
+ * Due to an erratum in some devices the Retrain Link bit
+ * needs to be cleared again manually to allow the link
+ * training to succeed.
+ */
+ reg16 &= ~PCI_EXP_LNKCTL_RL;
+ pcie_capability_write_word(parent, PCI_EXP_LNKCTL, reg16);
+ }
+
+ /* Wait for link training end. Break out after waiting for timeout */
+ start_jiffies = jiffies;
+ for (;;) {
+ pcie_capability_read_word(parent, PCI_EXP_LNKSTA, ®16);
+ if (!(reg16 & PCI_EXP_LNKSTA_LT))
+ break;
+ if (time_after(jiffies, start_jiffies + LINK_RETRAIN_TIMEOUT))
+ break;
+ msleep(1);
+ }
+ return !(reg16 & PCI_EXP_LNKSTA_LT);
+}
+
/*
* pcie_aspm_configure_common_clock: check if the 2 ends of a link
* could use common clock. If they are, configure them to use the
@@ -220,7 +252,6 @@ static void pcie_aspm_configure_common_clock(struct pcie_link_state *link)
{
int same_clock = 1;
u16 reg16, parent_reg, child_reg[8];
- unsigned long start_jiffies;
struct pci_dev *child, *parent = link->pdev;
struct pci_bus *linkbus = parent->subordinate;
/*
@@ -260,21 +291,7 @@ static void pcie_aspm_configure_common_clock(struct pcie_link_state *link)
reg16 &= ~PCI_EXP_LNKCTL_CCC;
pcie_capability_write_word(parent, PCI_EXP_LNKCTL, reg16);
- /* Retrain link */
- reg16 |= PCI_EXP_LNKCTL_RL;
- pcie_capability_write_word(parent, PCI_EXP_LNKCTL, reg16);
-
- /* Wait for link training end. Break out after waiting for timeout */
- start_jiffies = jiffies;
- for (;;) {
- pcie_capability_read_word(parent, PCI_EXP_LNKSTA, ®16);
- if (!(reg16 & PCI_EXP_LNKSTA_LT))
- break;
- if (time_after(jiffies, start_jiffies + LINK_RETRAIN_TIMEOUT))
- break;
- msleep(1);
- }
- if (!(reg16 & PCI_EXP_LNKSTA_LT))
+ if (pcie_retrain_link(link))
return;
/* Training failed. Restore common clock configurations */
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 867056395d48..45c3fbd38f50 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2085,6 +2085,23 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f1, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f4, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1508, quirk_disable_aspm_l0s);
+/*
+ * Some Pericom PCIe-to-PCI bridges in reverse mode need the PCIe Retrain
+ * Link bit cleared after starting the link retrain process to allow this
+ * process to finish.
+ *
+ * Affected devices: PI7C9X110, PI7C9X111SL, PI7C9X130. See also the
+ * Pericom Errata Sheet PI7C9X111SLB_errata_rev1.2_102711.pdf.
+ */
+static void quirk_enable_clear_retrain_link(struct pci_dev *dev)
+{
+ dev->clear_retrain_link = 1;
+ pci_info(dev, "Enable PCIe Retrain Link quirk\n");
+}
+DECLARE_PCI_FIXUP_HEADER(0x12d8, 0xe110, quirk_enable_clear_retrain_link);
+DECLARE_PCI_FIXUP_HEADER(0x12d8, 0xe111, quirk_enable_clear_retrain_link);
+DECLARE_PCI_FIXUP_HEADER(0x12d8, 0xe130, quirk_enable_clear_retrain_link);
+
static void fixup_rev1_53c810(struct pci_dev *dev)
{
u32 class = dev->class;
@@ -3369,6 +3386,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0030, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0032, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003c, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0033, quirk_no_bus_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset);
static void quirk_no_pm_reset(struct pci_dev *dev)
{
@@ -4852,4 +4870,5 @@ static void quirk_no_ats(struct pci_dev *pdev)
/* AMD Stoney platform GPU */
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_no_ats);
#endif /* CONFIG_PCI_ATS */
diff --git a/drivers/power/supply/cpcap-battery.c b/drivers/power/supply/cpcap-battery.c
index ee71a2b37b12..fe7fcf3a2ad0 100644
--- a/drivers/power/supply/cpcap-battery.c
+++ b/drivers/power/supply/cpcap-battery.c
@@ -221,6 +221,9 @@ static int cpcap_battery_cc_raw_div(struct cpcap_battery_ddata *ddata,
int avg_current;
u32 cc_lsb;
+ if (!divider)
+ return 0;
+
sample &= 0xffffff; /* 24-bits, unsigned */
offset &= 0x7ff; /* 10-bits, signed */
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index 5204f115970f..eb5dc7482053 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -325,15 +325,11 @@ int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env)
char *prop_buf;
char *attrname;
- dev_dbg(dev, "uevent\n");
-
if (!psy || !psy->desc) {
dev_dbg(dev, "No power supply yet\n");
return ret;
}
- dev_dbg(dev, "POWER_SUPPLY_NAME=%s\n", psy->desc->name);
-
ret = add_uevent_var(env, "POWER_SUPPLY_NAME=%s", psy->desc->name);
if (ret)
return ret;
@@ -369,8 +365,6 @@ int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env)
goto out;
}
- dev_dbg(dev, "prop %s=%s\n", attrname, prop_buf);
-
ret = add_uevent_var(env, "POWER_SUPPLY_%s=%s", attrname, prop_buf);
kfree(attrname);
if (ret)
diff --git a/drivers/video/fbdev/sm712.h b/drivers/video/fbdev/sm712.h
index aad1cc4be34a..c7ebf03b8d53 100644
--- a/drivers/video/fbdev/sm712.h
+++ b/drivers/video/fbdev/sm712.h
@@ -15,14 +15,10 @@
#define FB_ACCEL_SMI_LYNX 88
-#define SCREEN_X_RES 1024
-#define SCREEN_Y_RES 600
-#define SCREEN_BPP 16
-
-/*Assume SM712 graphics chip has 4MB VRAM */
-#define SM712_VIDEOMEMORYSIZE 0x00400000
-/*Assume SM722 graphics chip has 8MB VRAM */
-#define SM722_VIDEOMEMORYSIZE 0x00800000
+#define SCREEN_X_RES 1024
+#define SCREEN_Y_RES_PC 768
+#define SCREEN_Y_RES_NETBOOK 600
+#define SCREEN_BPP 16
#define dac_reg (0x3c8)
#define dac_val (0x3c9)
diff --git a/drivers/video/fbdev/sm712fb.c b/drivers/video/fbdev/sm712fb.c
index 502d0de2feec..f1dcc6766d1e 100644
--- a/drivers/video/fbdev/sm712fb.c
+++ b/drivers/video/fbdev/sm712fb.c
@@ -530,6 +530,65 @@ static const struct modeinit vgamode[] = {
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
},
},
+ { /* 1024 x 768 16Bpp 60Hz */
+ 1024, 768, 16, 60,
+ /* Init_MISC */
+ 0xEB,
+ { /* Init_SR0_SR4 */
+ 0x03, 0x01, 0x0F, 0x03, 0x0E,
+ },
+ { /* Init_SR10_SR24 */
+ 0xF3, 0xB6, 0xC0, 0xDD, 0x00, 0x0E, 0x17, 0x2C,
+ 0x99, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xC4, 0x30, 0x02, 0x01, 0x01,
+ },
+ { /* Init_SR30_SR75 */
+ 0x38, 0x03, 0x20, 0x09, 0xC0, 0x3A, 0x3A, 0x3A,
+ 0x3A, 0x3A, 0x3A, 0x3A, 0x00, 0x00, 0x03, 0xFF,
+ 0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
+ 0x20, 0x0C, 0x44, 0x20, 0x00, 0x00, 0x00, 0x3A,
+ 0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
+ 0x0F, 0x60, 0x59, 0x3A, 0x3A, 0x00, 0x00, 0x3A,
+ 0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
+ 0x50, 0x03, 0x74, 0x14, 0x3B, 0x0D, 0x09, 0x02,
+ 0x04, 0x45, 0x30, 0x30, 0x40, 0x20,
+ },
+ { /* Init_SR80_SR93 */
+ 0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
+ 0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
+ 0x00, 0x00, 0x00, 0x00,
+ },
+ { /* Init_SRA0_SRAF */
+ 0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
+ 0x7B, 0xFB, 0xFF, 0xFF, 0x97, 0xEF, 0xBF, 0xDF,
+ },
+ { /* Init_GR00_GR08 */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
+ 0xFF,
+ },
+ { /* Init_AR00_AR14 */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ 0x41, 0x00, 0x0F, 0x00, 0x00,
+ },
+ { /* Init_CR00_CR18 */
+ 0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
+ 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
+ 0xFF,
+ },
+ { /* Init_CR30_CR4D */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
+ 0x00, 0x00, 0x00, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
+ 0xA3, 0x7F, 0x00, 0x86, 0x15, 0x24, 0xFF, 0x00,
+ 0x01, 0x07, 0xE5, 0x20, 0x7F, 0xFF,
+ },
+ { /* Init_CR90_CRA7 */
+ 0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
+ 0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
+ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
+ },
+ },
{ /* mode#5: 1024 x 768 24Bpp 60Hz */
1024, 768, 24, 60,
/* Init_MISC */
@@ -827,67 +886,80 @@ static inline unsigned int chan_to_field(unsigned int chan,
static int smtc_blank(int blank_mode, struct fb_info *info)
{
+ struct smtcfb_info *sfb = info->par;
+
/* clear DPMS setting */
switch (blank_mode) {
case FB_BLANK_UNBLANK:
/* Screen On: HSync: On, VSync : On */
+
+ switch (sfb->chip_id) {
+ case 0x710:
+ case 0x712:
+ smtc_seqw(0x6a, 0x16);
+ smtc_seqw(0x6b, 0x02);
+ break;
+ case 0x720:
+ smtc_seqw(0x6a, 0x0d);
+ smtc_seqw(0x6b, 0x02);
+ break;
+ }
+
+ smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0)));
smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20)));
- smtc_seqw(0x6a, 0x16);
- smtc_seqw(0x6b, 0x02);
smtc_seqw(0x21, (smtc_seqr(0x21) & 0x77));
smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30)));
- smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0)));
- smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01));
smtc_seqw(0x31, (smtc_seqr(0x31) | 0x03));
+ smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01));
break;
case FB_BLANK_NORMAL:
/* Screen Off: HSync: On, VSync : On Soft blank */
+ smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01));
+ smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
+ smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0)));
smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20)));
+ smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30)));
smtc_seqw(0x6a, 0x16);
smtc_seqw(0x6b, 0x02);
- smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30)));
- smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0)));
- smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01));
- smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
break;
case FB_BLANK_VSYNC_SUSPEND:
/* Screen On: HSync: On, VSync : Off */
+ smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
+ smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
+ smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0x20));
smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
- smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
- smtc_seqw(0x6a, 0x0c);
- smtc_seqw(0x6b, 0x02);
smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
+ smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x20));
- smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0x20));
- smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
- smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
+ smtc_seqw(0x6a, 0x0c);
+ smtc_seqw(0x6b, 0x02);
break;
case FB_BLANK_HSYNC_SUSPEND:
/* Screen On: HSync: Off, VSync : On */
+ smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
+ smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
+ smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8));
smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
- smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
- smtc_seqw(0x6a, 0x0c);
- smtc_seqw(0x6b, 0x02);
smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
+ smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x10));
- smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8));
- smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
- smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
+ smtc_seqw(0x6a, 0x0c);
+ smtc_seqw(0x6b, 0x02);
break;
case FB_BLANK_POWERDOWN:
/* Screen On: HSync: Off, VSync : Off */
+ smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
+ smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
+ smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8));
smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
- smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
- smtc_seqw(0x6a, 0x0c);
- smtc_seqw(0x6b, 0x02);
smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
+ smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x30));
- smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8));
- smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
- smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
+ smtc_seqw(0x6a, 0x0c);
+ smtc_seqw(0x6b, 0x02);
break;
default:
return -EINVAL;
@@ -1145,8 +1217,10 @@ static void sm7xx_set_timing(struct smtcfb_info *sfb)
/* init SEQ register SR30 - SR75 */
for (i = 0; i < SIZE_SR30_SR75; i++)
- if ((i + 0x30) != 0x62 && (i + 0x30) != 0x6a &&
- (i + 0x30) != 0x6b)
+ if ((i + 0x30) != 0x30 && (i + 0x30) != 0x62 &&
+ (i + 0x30) != 0x6a && (i + 0x30) != 0x6b &&
+ (i + 0x30) != 0x70 && (i + 0x30) != 0x71 &&
+ (i + 0x30) != 0x74 && (i + 0x30) != 0x75)
smtc_seqw(i + 0x30,
vgamode[j].init_sr30_sr75[i]);
@@ -1171,8 +1245,12 @@ static void sm7xx_set_timing(struct smtcfb_info *sfb)
smtc_crtcw(i, vgamode[j].init_cr00_cr18[i]);
/* init CRTC register CR30 - CR4D */
- for (i = 0; i < SIZE_CR30_CR4D; i++)
+ for (i = 0; i < SIZE_CR30_CR4D; i++) {
+ if ((i + 0x30) >= 0x3B && (i + 0x30) <= 0x3F)
+ /* side-effect, don't write to CR3B-CR3F */
+ continue;
smtc_crtcw(i + 0x30, vgamode[j].init_cr30_cr4d[i]);
+ }
/* init CRTC register CR90 - CRA7 */
for (i = 0; i < SIZE_CR90_CRA7; i++)
@@ -1323,6 +1401,11 @@ static int smtc_map_smem(struct smtcfb_info *sfb,
{
sfb->fb->fix.smem_start = pci_resource_start(pdev, 0);
+ if (sfb->chip_id == 0x720)
+ /* on SM720, the framebuffer starts at the 1 MB offset */
+ sfb->fb->fix.smem_start += 0x00200000;
+
+ /* XXX: is it safe for SM720 on Big-Endian? */
if (sfb->fb->var.bits_per_pixel == 32)
sfb->fb->fix.smem_start += big_addr;
@@ -1360,12 +1443,82 @@ static inline void sm7xx_init_hw(void)
outb_p(0x11, 0x3c5);
}
+static u_long sm7xx_vram_probe(struct smtcfb_info *sfb)
+{
+ u8 vram;
+
+ switch (sfb->chip_id) {
+ case 0x710:
+ case 0x712:
+ /*
+ * Assume SM712 graphics chip has 4MB VRAM.
+ *
+ * FIXME: SM712 can have 2MB VRAM, which is used on earlier
+ * laptops, such as IBM Thinkpad 240X. This driver would
+ * probably crash on those machines. If anyone gets one of
+ * those and is willing to help, run "git blame" and send me
+ * an E-mail.
+ */
+ return 0x00400000;
+ case 0x720:
+ outb_p(0x76, 0x3c4);
+ vram = inb_p(0x3c5) >> 6;
+
+ if (vram == 0x00)
+ return 0x00800000; /* 8 MB */
+ else if (vram == 0x01)
+ return 0x01000000; /* 16 MB */
+ else if (vram == 0x02)
+ return 0x00400000; /* illegal, fallback to 4 MB */
+ else if (vram == 0x03)
+ return 0x00400000; /* 4 MB */
+ }
+ return 0; /* unknown hardware */
+}
+
+static void sm7xx_resolution_probe(struct smtcfb_info *sfb)
+{
+ /* get mode parameter from smtc_scr_info */
+ if (smtc_scr_info.lfb_width != 0) {
+ sfb->fb->var.xres = smtc_scr_info.lfb_width;
+ sfb->fb->var.yres = smtc_scr_info.lfb_height;
+ sfb->fb->var.bits_per_pixel = smtc_scr_info.lfb_depth;
+ goto final;
+ }
+
+ /*
+ * No parameter, default resolution is 1024x768-16.
+ *
+ * FIXME: earlier laptops, such as IBM Thinkpad 240X, has a 800x600
+ * panel, also see the comments about Thinkpad 240X above.
+ */
+ sfb->fb->var.xres = SCREEN_X_RES;
+ sfb->fb->var.yres = SCREEN_Y_RES_PC;
+ sfb->fb->var.bits_per_pixel = SCREEN_BPP;
+
+#ifdef CONFIG_MIPS
+ /*
+ * Loongson MIPS netbooks use 1024x600 LCD panels, which is the original
+ * target platform of this driver, but nearly all old x86 laptops have
+ * 1024x768. Lighting 768 panels using 600's timings would partially
+ * garble the display, so we don't want that. But it's not possible to
+ * distinguish them reliably.
+ *
+ * So we change the default to 768, but keep 600 as-is on MIPS.
+ */
+ sfb->fb->var.yres = SCREEN_Y_RES_NETBOOK;
+#endif
+
+final:
+ big_pixel_depth(sfb->fb->var.bits_per_pixel, smtc_scr_info.lfb_depth);
+}
+
static int smtcfb_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct smtcfb_info *sfb;
struct fb_info *info;
- u_long smem_size = 0x00800000; /* default 8MB */
+ u_long smem_size;
int err;
unsigned long mmio_base;
@@ -1405,29 +1558,19 @@ static int smtcfb_pci_probe(struct pci_dev *pdev,
sm7xx_init_hw();
- /* get mode parameter from smtc_scr_info */
- if (smtc_scr_info.lfb_width != 0) {
- sfb->fb->var.xres = smtc_scr_info.lfb_width;
- sfb->fb->var.yres = smtc_scr_info.lfb_height;
- sfb->fb->var.bits_per_pixel = smtc_scr_info.lfb_depth;
- } else {
- /* default resolution 1024x600 16bit mode */
- sfb->fb->var.xres = SCREEN_X_RES;
- sfb->fb->var.yres = SCREEN_Y_RES;
- sfb->fb->var.bits_per_pixel = SCREEN_BPP;
- }
-
- big_pixel_depth(sfb->fb->var.bits_per_pixel, smtc_scr_info.lfb_depth);
/* Map address and memory detection */
mmio_base = pci_resource_start(pdev, 0);
pci_read_config_byte(pdev, PCI_REVISION_ID, &sfb->chip_rev_id);
+ smem_size = sm7xx_vram_probe(sfb);
+ dev_info(&pdev->dev, "%lu MiB of VRAM detected.\n",
+ smem_size / 1048576);
+
switch (sfb->chip_id) {
case 0x710:
case 0x712:
sfb->fb->fix.mmio_start = mmio_base + 0x00400000;
sfb->fb->fix.mmio_len = 0x00400000;
- smem_size = SM712_VIDEOMEMORYSIZE;
sfb->lfb = ioremap(mmio_base, mmio_addr);
if (!sfb->lfb) {
dev_err(&pdev->dev,
@@ -1459,8 +1602,7 @@ static int smtcfb_pci_probe(struct pci_dev *pdev,
case 0x720:
sfb->fb->fix.mmio_start = mmio_base;
sfb->fb->fix.mmio_len = 0x00200000;
- smem_size = SM722_VIDEOMEMORYSIZE;
- sfb->dp_regs = ioremap(mmio_base, 0x00a00000);
+ sfb->dp_regs = ioremap(mmio_base, 0x00200000 + smem_size);
sfb->lfb = sfb->dp_regs + 0x00200000;
sfb->mmio = (smtc_regbaseaddress =
sfb->dp_regs + 0x000c0000);
@@ -1477,6 +1619,9 @@ static int smtcfb_pci_probe(struct pci_dev *pdev,
goto failed_fb;
}
+ /* probe and decide resolution */
+ sm7xx_resolution_probe(sfb);
+
/* can support 32 bpp */
if (sfb->fb->var.bits_per_pixel == 15)
sfb->fb->var.bits_per_pixel = 16;
@@ -1487,7 +1632,11 @@ static int smtcfb_pci_probe(struct pci_dev *pdev,
if (err)
goto failed;
- smtcfb_setmode(sfb);
+ /*
+ * The screen would be temporarily garbled when sm712fb takes over
+ * vesafb or VGA text mode. Zero the framebuffer.
+ */
+ memset_io(sfb->lfb, 0, sfb->fb->fix.smem_len);
err = register_framebuffer(info);
if (err < 0)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 83791d13c204..54bb5d79723a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -11058,9 +11058,9 @@ int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info,
* transaction.
*/
static int btrfs_trim_free_extents(struct btrfs_device *device,
- u64 minlen, u64 *trimmed)
+ struct fstrim_range *range, u64 *trimmed)
{
- u64 start = 0, len = 0;
+ u64 start = range->start, len = 0;
int ret;
*trimmed = 0;
@@ -11096,8 +11096,8 @@ static int btrfs_trim_free_extents(struct btrfs_device *device,
refcount_inc(&trans->use_count);
spin_unlock(&fs_info->trans_lock);
- ret = find_free_dev_extent_start(trans, device, minlen, start,
- &start, &len);
+ ret = find_free_dev_extent_start(trans, device, range->minlen,
+ start, &start, &len);
if (trans)
btrfs_put_transaction(trans);
@@ -11109,6 +11109,16 @@ static int btrfs_trim_free_extents(struct btrfs_device *device,
break;
}
+ /* If we are out of the passed range break */
+ if (start > range->start + range->len - 1) {
+ mutex_unlock(&fs_info->chunk_mutex);
+ ret = 0;
+ break;
+ }
+
+ start = max(range->start, start);
+ len = min(range->len, len);
+
ret = btrfs_issue_discard(device->bdev, start, len, &bytes);
up_read(&fs_info->commit_root_sem);
mutex_unlock(&fs_info->chunk_mutex);
@@ -11119,6 +11129,10 @@ static int btrfs_trim_free_extents(struct btrfs_device *device,
start += len;
*trimmed += bytes;
+ /* We've trimmed enough */
+ if (*trimmed >= range->len)
+ break;
+
if (fatal_signal_pending(current)) {
ret = -ERESTARTSYS;
break;
@@ -11202,8 +11216,7 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
mutex_lock(&fs_info->fs_devices->device_list_mutex);
devices = &fs_info->fs_devices->devices;
list_for_each_entry(device, devices, dev_list) {
- ret = btrfs_trim_free_extents(device, range->minlen,
- &group_trimmed);
+ ret = btrfs_trim_free_extents(device, range, &group_trimmed);
if (ret) {
dev_failed++;
dev_ret = ret;
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index b79b1211a2b5..f0694293b31a 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -768,6 +768,12 @@ static void ceph_umount_begin(struct super_block *sb)
return;
}
+static int ceph_remount(struct super_block *sb, int *flags, char *data)
+{
+ sync_filesystem(sb);
+ return 0;
+}
+
static const struct super_operations ceph_super_ops = {
.alloc_inode = ceph_alloc_inode,
.destroy_inode = ceph_destroy_inode,
@@ -775,6 +781,7 @@ static const struct super_operations ceph_super_ops = {
.drop_inode = ceph_drop_inode,
.sync_fs = ceph_sync_fs,
.put_super = ceph_put_super,
+ .remount_fs = ceph_remount,
.show_options = ceph_show_options,
.statfs = ceph_statfs,
.umount_begin = ceph_umount_begin,
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 418062c7f040..23326b0cd562 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1969,26 +1969,28 @@ smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock,
unsigned int epoch, bool *purge_cache)
{
char message[5] = {0};
+ unsigned int new_oplock = 0;
oplock &= 0xFF;
if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE)
return;
- cinode->oplock = 0;
if (oplock & SMB2_LEASE_READ_CACHING_HE) {
- cinode->oplock |= CIFS_CACHE_READ_FLG;
+ new_oplock |= CIFS_CACHE_READ_FLG;
strcat(message, "R");
}
if (oplock & SMB2_LEASE_HANDLE_CACHING_HE) {
- cinode->oplock |= CIFS_CACHE_HANDLE_FLG;
+ new_oplock |= CIFS_CACHE_HANDLE_FLG;
strcat(message, "H");
}
if (oplock & SMB2_LEASE_WRITE_CACHING_HE) {
- cinode->oplock |= CIFS_CACHE_WRITE_FLG;
+ new_oplock |= CIFS_CACHE_WRITE_FLG;
strcat(message, "W");
}
- if (!cinode->oplock)
- strcat(message, "None");
+ if (!new_oplock)
+ strncpy(message, "None", sizeof(message));
+
+ cinode->oplock = new_oplock;
cifs_dbg(FYI, "%s Lease granted on inode %p\n", message,
&cinode->vfs_inode);
}
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 7936eac5a38a..fd2d199dd413 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2699,7 +2699,6 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
cifs_dbg(VFS, "Send error in read = %d\n", rc);
}
free_rsp_buf(resp_buftype, rsp_iov.iov_base);
- cifs_small_buf_release(req);
return rc == -ENODATA ? 0 : rc;
}
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 19ea122a7d03..7882fc34113c 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1525,7 +1525,7 @@ __acquires(fc->lock)
{
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_inode *fi = get_fuse_inode(inode);
- size_t crop = i_size_read(inode);
+ loff_t crop = i_size_read(inode);
struct fuse_req *req;
while (fi->writectr >= 0 && !list_empty(&fi->queued_writes)) {
@@ -2974,6 +2974,13 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
}
}
+ if (!(mode & FALLOC_FL_KEEP_SIZE) &&
+ offset + length > i_size_read(inode)) {
+ err = inode_newsize_ok(inode, offset + length);
+ if (err)
+ return err;
+ }
+
if (!(mode & FALLOC_FL_KEEP_SIZE))
set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 3db2b7464748..03da4e0b0098 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -904,7 +904,7 @@ fl_pnfs_update_layout(struct inode *ino,
status = filelayout_check_deviceid(lo, fl, gfp_flags);
if (status) {
pnfs_put_lseg(lseg);
- lseg = ERR_PTR(status);
+ lseg = NULL;
}
out:
return lseg;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index e1d88bca815e..85ec07e4aa91 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -143,6 +143,10 @@ int nfs40_discover_server_trunking(struct nfs_client *clp,
/* Sustain the lease, even if it's empty. If the clientid4
* goes stale it's of no use for trunking discovery. */
nfs4_schedule_state_renewal(*result);
+
+ /* If the client state need to recover, do it. */
+ if (clp->cl_state)
+ nfs4_schedule_state_manager(clp);
}
out:
return status;
diff --git a/fs/ufs/util.h b/fs/ufs/util.h
index 1907be6d5808..f3092d513551 100644
--- a/fs/ufs/util.h
+++ b/fs/ufs/util.h
@@ -229,7 +229,7 @@ ufs_get_inode_gid(struct super_block *sb, struct ufs_inode *inode)
case UFS_UID_44BSD:
return fs32_to_cpu(sb, inode->ui_u3.ui_44.ui_gid);
case UFS_UID_EFT:
- if (inode->ui_u1.oldids.ui_suid == 0xFFFF)
+ if (inode->ui_u1.oldids.ui_sgid == 0xFFFF)
return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_gid);
/* Fall through */
default:
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index c9d2a1a3ef11..e9e87599338e 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -28,6 +28,7 @@ struct bpf_map_ops {
void (*map_free)(struct bpf_map *map);
int (*map_get_next_key)(struct bpf_map *map, void *key, void *next_key);
void (*map_release_uref)(struct bpf_map *map);
+ void *(*map_lookup_elem_sys_only)(struct bpf_map *map, void *key);
/* funcs callable from userspace and from eBPF programs */
void *(*map_lookup_elem)(struct bpf_map *map, void *key);
diff --git a/include/linux/of.h b/include/linux/of.h
index 70b7dacf9238..3c108f9be5e7 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -229,8 +229,8 @@ extern struct device_node *of_find_all_nodes(struct device_node *prev);
static inline u64 of_read_number(const __be32 *cell, int size)
{
u64 r = 0;
- while (size--)
- r = (r << 32) | be32_to_cpu(*(cell++));
+ for (; size--; cell++)
+ r = (r << 32) | be32_to_cpu(*cell);
return r;
}
diff --git a/include/linux/pci.h b/include/linux/pci.h
index b1abbcc614cf..59f4d10568c6 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -350,6 +350,8 @@ struct pci_dev {
unsigned int hotplug_user_indicators:1; /* SlotCtl indicators
controlled exclusively by
user sysfs */
+ unsigned int clear_retrain_link:1; /* Need to clear Retrain Link
+ bit manually */
unsigned int d3_delay; /* D3->D0 transition time in ms */
unsigned int d3cold_delay; /* D3cold->D0 transition time in ms */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 3172e14d9398..fdb0cd0699b6 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1310,10 +1310,12 @@ static inline void skb_zcopy_clear(struct sk_buff *skb, bool zerocopy)
struct ubuf_info *uarg = skb_zcopy(skb);
if (uarg) {
- if (uarg->callback == sock_zerocopy_callback) {
+ if (skb_zcopy_is_nouarg(skb)) {
+ /* no notification callback */
+ } else if (uarg->callback == sock_zerocopy_callback) {
uarg->zerocopy = uarg->zerocopy && zerocopy;
sock_zerocopy_put(uarg);
- } else if (!skb_zcopy_is_nouarg(skb)) {
+ } else {
uarg->callback(uarg, zerocopy);
}
@@ -2572,7 +2574,8 @@ static inline int skb_orphan_frags(struct sk_buff *skb, gfp_t gfp_mask)
{
if (likely(!skb_zcopy(skb)))
return 0;
- if (skb_uarg(skb)->callback == sock_zerocopy_callback)
+ if (!skb_zcopy_is_nouarg(skb) &&
+ skb_uarg(skb)->callback == sock_zerocopy_callback)
return 0;
return skb_copy_ubufs(skb, gfp_mask);
}
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 84237f640789..505e69854eb8 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -498,18 +498,30 @@ static u32 htab_map_gen_lookup(struct bpf_map *map, struct bpf_insn *insn_buf)
return insn - insn_buf;
}
-static void *htab_lru_map_lookup_elem(struct bpf_map *map, void *key)
+static __always_inline void *__htab_lru_map_lookup_elem(struct bpf_map *map,
+ void *key, const bool mark)
{
struct htab_elem *l = __htab_map_lookup_elem(map, key);
if (l) {
- bpf_lru_node_set_ref(&l->lru_node);
+ if (mark)
+ bpf_lru_node_set_ref(&l->lru_node);
return l->key + round_up(map->key_size, 8);
}
return NULL;
}
+static void *htab_lru_map_lookup_elem(struct bpf_map *map, void *key)
+{
+ return __htab_lru_map_lookup_elem(map, key, true);
+}
+
+static void *htab_lru_map_lookup_elem_sys(struct bpf_map *map, void *key)
+{
+ return __htab_lru_map_lookup_elem(map, key, false);
+}
+
static u32 htab_lru_map_gen_lookup(struct bpf_map *map,
struct bpf_insn *insn_buf)
{
@@ -1160,6 +1172,7 @@ const struct bpf_map_ops htab_lru_map_ops = {
.map_free = htab_map_free,
.map_get_next_key = htab_map_get_next_key,
.map_lookup_elem = htab_lru_map_lookup_elem,
+ .map_lookup_elem_sys_only = htab_lru_map_lookup_elem_sys,
.map_update_elem = htab_lru_map_update_elem,
.map_delete_elem = htab_lru_map_delete_elem,
.map_gen_lookup = htab_lru_map_gen_lookup,
@@ -1190,7 +1203,6 @@ static void *htab_lru_percpu_map_lookup_elem(struct bpf_map *map, void *key)
int bpf_percpu_hash_copy(struct bpf_map *map, void *key, void *value)
{
- struct bpf_htab *htab = container_of(map, struct bpf_htab, map);
struct htab_elem *l;
void __percpu *pptr;
int ret = -ENOENT;
@@ -1206,8 +1218,9 @@ int bpf_percpu_hash_copy(struct bpf_map *map, void *key, void *value)
l = __htab_map_lookup_elem(map, key);
if (!l)
goto out;
- if (htab_is_lru(htab))
- bpf_lru_node_set_ref(&l->lru_node);
+ /* We do not mark LRU map element here in order to not mess up
+ * eviction heuristics when user space does a map walk.
+ */
pptr = htab_elem_get_ptr(l, map->key_size);
for_each_possible_cpu(cpu) {
bpf_long_memcpy(value + off,
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 5c9deed4524e..2d828d346982 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -493,7 +493,10 @@ static int map_lookup_elem(union bpf_attr *attr)
err = bpf_fd_htab_map_lookup_elem(map, key, value);
} else {
rcu_read_lock();
- ptr = map->ops->map_lookup_elem(map, key);
+ if (map->ops->map_lookup_elem_sys_only)
+ ptr = map->ops->map_lookup_elem_sys_only(map, key);
+ else
+ ptr = map->ops->map_lookup_elem(map, key);
if (ptr)
memcpy(value, ptr, value_size);
rcu_read_unlock();
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index b314c9eaa71d..f8c45d30ec6d 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -600,6 +600,7 @@ static int sugov_init(struct cpufreq_policy *policy)
return 0;
fail:
+ kobject_put(&tunables->attr_set.kobj);
policy->governor_data = NULL;
sugov_tunables_free(tunables);
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index d53268a4e167..654a1587f6dd 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -1319,9 +1319,6 @@ event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)
char buf[32];
int len;
- if (*ppos)
- return 0;
-
if (unlikely(!id))
return -ENODEV;
diff --git a/lib/Makefile b/lib/Makefile
index b1ac45032903..4ea31c2d982d 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -17,6 +17,17 @@ KCOV_INSTRUMENT_list_debug.o := n
KCOV_INSTRUMENT_debugobjects.o := n
KCOV_INSTRUMENT_dynamic_debug.o := n
+# Early boot use of cmdline, don't instrument it
+ifdef CONFIG_AMD_MEM_ENCRYPT
+KASAN_SANITIZE_string.o := n
+
+ifdef CONFIG_FUNCTION_TRACER
+CFLAGS_REMOVE_string.o = -pg
+endif
+
+CFLAGS_string.o := $(call cc-option, -fno-stack-protector)
+endif
+
lib-y := ctype.o string.o vsprintf.o cmdline.o \
rbtree.o radix-tree.o dump_stack.o timerqueue.o\
idr.o int_sqrt.o extable.o \
diff --git a/net/core/dev.c b/net/core/dev.c
index 90ec30d5b851..1212c814b3bc 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -7852,7 +7852,7 @@ static void netdev_wait_allrefs(struct net_device *dev)
refcnt = netdev_refcnt_read(dev);
- if (time_after(jiffies, warning_time + 10 * HZ)) {
+ if (refcnt && time_after(jiffies, warning_time + 10 * HZ)) {
pr_emerg("unregister_netdevice: waiting for %s to become free. Usage count = %d\n",
dev->name, refcnt);
warning_time = jiffies;
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index d30285c5d52d..c8e32f167ebb 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -205,7 +205,7 @@ static void esp_output_fill_trailer(u8 *tail, int tfclen, int plen, __u8 proto)
tail[plen - 1] = proto;
}
-static void esp_output_udp_encap(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp)
+static int esp_output_udp_encap(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp)
{
int encap_type;
struct udphdr *uh;
@@ -213,6 +213,7 @@ static void esp_output_udp_encap(struct xfrm_state *x, struct sk_buff *skb, stru
__be16 sport, dport;
struct xfrm_encap_tmpl *encap = x->encap;
struct ip_esp_hdr *esph = esp->esph;
+ unsigned int len;
spin_lock_bh(&x->lock);
sport = encap->encap_sport;
@@ -220,11 +221,14 @@ static void esp_output_udp_encap(struct xfrm_state *x, struct sk_buff *skb, stru
encap_type = encap->encap_type;
spin_unlock_bh(&x->lock);
+ len = skb->len + esp->tailen - skb_transport_offset(skb);
+ if (len + sizeof(struct iphdr) >= IP_MAX_MTU)
+ return -EMSGSIZE;
+
uh = (struct udphdr *)esph;
uh->source = sport;
uh->dest = dport;
- uh->len = htons(skb->len + esp->tailen
- - skb_transport_offset(skb));
+ uh->len = htons(len);
uh->check = 0;
switch (encap_type) {
@@ -241,6 +245,8 @@ static void esp_output_udp_encap(struct xfrm_state *x, struct sk_buff *skb, stru
*skb_mac_header(skb) = IPPROTO_UDP;
esp->esph = esph;
+
+ return 0;
}
int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp)
@@ -254,8 +260,12 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
int tailen = esp->tailen;
/* this is non-NULL only with UDP Encapsulation */
- if (x->encap)
- esp_output_udp_encap(x, skb, esp);
+ if (x->encap) {
+ int err = esp_output_udp_encap(x, skb, esp);
+
+ if (err < 0)
+ return err;
+ }
if (!skb_cloned(skb)) {
if (tailen <= skb_tailroom(skb)) {
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 306603a7f351..c07065b7e3b0 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -663,9 +663,9 @@ static int __init vti_init(void)
return err;
rtnl_link_failed:
- xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP);
-xfrm_tunnel_failed:
xfrm4_tunnel_deregister(&ipip_handler, AF_INET);
+xfrm_tunnel_failed:
+ xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP);
xfrm_proto_comp_failed:
xfrm4_protocol_deregister(&vti_ah4_protocol, IPPROTO_AH);
xfrm_proto_ah_failed:
@@ -680,6 +680,7 @@ static int __init vti_init(void)
static void __exit vti_fini(void)
{
rtnl_link_unregister(&vti_link_ops);
+ xfrm4_tunnel_deregister(&ipip_handler, AF_INET);
xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP);
xfrm4_protocol_deregister(&vti_ah4_protocol, IPPROTO_AH);
xfrm4_protocol_deregister(&vti_esp4_protocol, IPPROTO_ESP);
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 4b586e7d5637..5952dca98e6b 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -111,7 +111,8 @@ static void
_decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
{
const struct iphdr *iph = ip_hdr(skb);
- u8 *xprth = skb_network_header(skb) + iph->ihl * 4;
+ int ihl = iph->ihl;
+ u8 *xprth = skb_network_header(skb) + ihl * 4;
struct flowi4 *fl4 = &fl->u.ip4;
int oif = 0;
@@ -122,6 +123,11 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
fl4->flowi4_mark = skb->mark;
fl4->flowi4_oif = reverse ? skb->skb_iif : oif;
+ fl4->flowi4_proto = iph->protocol;
+ fl4->daddr = reverse ? iph->saddr : iph->daddr;
+ fl4->saddr = reverse ? iph->daddr : iph->saddr;
+ fl4->flowi4_tos = iph->tos;
+
if (!ip_is_fragment(iph)) {
switch (iph->protocol) {
case IPPROTO_UDP:
@@ -133,7 +139,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
pskb_may_pull(skb, xprth + 4 - skb->data)) {
__be16 *ports;
- xprth = skb_network_header(skb) + iph->ihl * 4;
+ xprth = skb_network_header(skb) + ihl * 4;
ports = (__be16 *)xprth;
fl4->fl4_sport = ports[!!reverse];
@@ -146,7 +152,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
pskb_may_pull(skb, xprth + 2 - skb->data)) {
u8 *icmp;
- xprth = skb_network_header(skb) + iph->ihl * 4;
+ xprth = skb_network_header(skb) + ihl * 4;
icmp = xprth;
fl4->fl4_icmp_type = icmp[0];
@@ -159,7 +165,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
pskb_may_pull(skb, xprth + 4 - skb->data)) {
__be32 *ehdr;
- xprth = skb_network_header(skb) + iph->ihl * 4;
+ xprth = skb_network_header(skb) + ihl * 4;
ehdr = (__be32 *)xprth;
fl4->fl4_ipsec_spi = ehdr[0];
@@ -171,7 +177,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
pskb_may_pull(skb, xprth + 8 - skb->data)) {
__be32 *ah_hdr;
- xprth = skb_network_header(skb) + iph->ihl * 4;
+ xprth = skb_network_header(skb) + ihl * 4;
ah_hdr = (__be32 *)xprth;
fl4->fl4_ipsec_spi = ah_hdr[1];
@@ -183,7 +189,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
pskb_may_pull(skb, xprth + 4 - skb->data)) {
__be16 *ipcomp_hdr;
- xprth = skb_network_header(skb) + iph->ihl * 4;
+ xprth = skb_network_header(skb) + ihl * 4;
ipcomp_hdr = (__be16 *)xprth;
fl4->fl4_ipsec_spi = htonl(ntohs(ipcomp_hdr[1]));
@@ -196,7 +202,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
__be16 *greflags;
__be32 *gre_hdr;
- xprth = skb_network_header(skb) + iph->ihl * 4;
+ xprth = skb_network_header(skb) + ihl * 4;
greflags = (__be16 *)xprth;
gre_hdr = (__be32 *)xprth;
@@ -213,10 +219,6 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
break;
}
}
- fl4->flowi4_proto = iph->protocol;
- fl4->daddr = reverse ? iph->saddr : iph->daddr;
- fl4->saddr = reverse ? iph->daddr : iph->saddr;
- fl4->flowi4_tos = iph->tos;
}
static void xfrm4_update_pmtu(struct dst_entry *dst, struct sock *sk,
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index c28e3eaad7c2..b51368ebd1e6 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -391,6 +391,10 @@ static void __exit xfrm6_tunnel_fini(void)
xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);
xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
unregister_pernet_subsys(&xfrm6_tunnel_net_ops);
+ /* Someone maybe has gotten the xfrm6_tunnel_spi.
+ * So need to wait it.
+ */
+ rcu_barrier();
kmem_cache_destroy(xfrm6_tunnel_spi_kmem);
}
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 222c063244f5..6ce13e976b7a 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1924,6 +1924,9 @@ void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
list_del_rcu(&sdata->list);
mutex_unlock(&sdata->local->iflist_mtx);
+ if (sdata->vif.txq)
+ ieee80211_txq_purge(sdata->local, to_txq_info(sdata->vif.txq));
+
synchronize_rcu();
if (sdata->dev) {
diff --git a/net/tipc/core.c b/net/tipc/core.c
index 0b982d048fb9..297430beaa7f 100644
--- a/net/tipc/core.c
+++ b/net/tipc/core.c
@@ -62,6 +62,10 @@ static int __net_init tipc_init_net(struct net *net)
INIT_LIST_HEAD(&tn->node_list);
spin_lock_init(&tn->node_list_lock);
+ err = tipc_socket_init();
+ if (err)
+ goto out_socket;
+
err = tipc_sk_rht_init(net);
if (err)
goto out_sk_rht;
@@ -88,6 +92,8 @@ static int __net_init tipc_init_net(struct net *net)
out_nametbl:
tipc_sk_rht_destroy(net);
out_sk_rht:
+ tipc_socket_stop();
+out_socket:
return err;
}
@@ -98,6 +104,7 @@ static void __net_exit tipc_exit_net(struct net *net)
tipc_bcast_stop(net);
tipc_nametbl_stop(net);
tipc_sk_rht_destroy(net);
+ tipc_socket_stop();
}
static struct pernet_operations tipc_net_ops = {
@@ -125,10 +132,6 @@ static int __init tipc_init(void)
if (err)
goto out_netlink_compat;
- err = tipc_socket_init();
- if (err)
- goto out_socket;
-
err = tipc_register_sysctl();
if (err)
goto out_sysctl;
@@ -148,8 +151,6 @@ static int __init tipc_init(void)
out_pernet:
tipc_unregister_sysctl();
out_sysctl:
- tipc_socket_stop();
-out_socket:
tipc_netlink_compat_stop();
out_netlink_compat:
tipc_netlink_stop();
@@ -164,7 +165,6 @@ static void __exit tipc_exit(void)
unregister_pernet_subsys(&tipc_net_ops);
tipc_netlink_stop();
tipc_netlink_compat_stop();
- tipc_socket_stop();
tipc_unregister_sysctl();
pr_info("Deactivated\n");
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 2ff751eba037..5ebeef8ae3fa 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -702,28 +702,27 @@ static int __init virtio_vsock_init(void)
if (!virtio_vsock_workqueue)
return -ENOMEM;
- ret = register_virtio_driver(&virtio_vsock_driver);
+ ret = vsock_core_init(&virtio_transport.transport);
if (ret)
goto out_wq;
- ret = vsock_core_init(&virtio_transport.transport);
+ ret = register_virtio_driver(&virtio_vsock_driver);
if (ret)
- goto out_vdr;
+ goto out_vci;
return 0;
-out_vdr:
- unregister_virtio_driver(&virtio_vsock_driver);
+out_vci:
+ vsock_core_exit();
out_wq:
destroy_workqueue(virtio_vsock_workqueue);
return ret;
-
}
static void __exit virtio_vsock_exit(void)
{
- vsock_core_exit();
unregister_virtio_driver(&virtio_vsock_driver);
+ vsock_core_exit();
destroy_workqueue(virtio_vsock_workqueue);
}
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 40a8731c663b..84d3c0aadd73 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -786,12 +786,19 @@ static bool virtio_transport_close(struct vsock_sock *vsk)
void virtio_transport_release(struct vsock_sock *vsk)
{
+ struct virtio_vsock_sock *vvs = vsk->trans;
+ struct virtio_vsock_pkt *pkt, *tmp;
struct sock *sk = &vsk->sk;
bool remove_sock = true;
lock_sock(sk);
if (sk->sk_type == SOCK_STREAM)
remove_sock = virtio_transport_close(vsk);
+
+ list_for_each_entry_safe(pkt, tmp, &vvs->rx_queue, list) {
+ list_del(&pkt->list);
+ virtio_transport_free_pkt(pkt);
+ }
release_sock(sk);
if (remove_sock)
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 9ff9255d2191..919b8406028c 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1381,7 +1381,7 @@ static int verify_newpolicy_info(struct xfrm_userpolicy_info *p)
ret = verify_policy_dir(p->dir);
if (ret)
return ret;
- if (p->index && ((p->index & XFRM_POLICY_MAX) != p->dir))
+ if (p->index && (xfrm_policy_id2dir(p->index) != p->dir))
return -EINVAL;
return 0;
diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index 0e03377bb83e..dd746bd69a9b 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -126,17 +126,22 @@ static int aafs_show_path(struct seq_file *seq, struct dentry *dentry)
return 0;
}
-static void aafs_evict_inode(struct inode *inode)
+static void aafs_i_callback(struct rcu_head *head)
{
- truncate_inode_pages_final(&inode->i_data);
- clear_inode(inode);
+ struct inode *inode = container_of(head, struct inode, i_rcu);
if (S_ISLNK(inode->i_mode))
kfree(inode->i_link);
+ free_inode_nonrcu(inode);
+}
+
+static void aafs_destroy_inode(struct inode *inode)
+{
+ call_rcu(&inode->i_rcu, aafs_i_callback);
}
static const struct super_operations aafs_super_ops = {
.statfs = simple_statfs,
- .evict_inode = aafs_evict_inode,
+ .destroy_inode = aafs_destroy_inode,
.show_path = aafs_show_path,
};
diff --git a/security/inode.c b/security/inode.c
index 8dd9ca8848e4..829f15672e01 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -26,17 +26,22 @@
static struct vfsmount *mount;
static int mount_count;
-static void securityfs_evict_inode(struct inode *inode)
+static void securityfs_i_callback(struct rcu_head *head)
{
- truncate_inode_pages_final(&inode->i_data);
- clear_inode(inode);
+ struct inode *inode = container_of(head, struct inode, i_rcu);
if (S_ISLNK(inode->i_mode))
kfree(inode->i_link);
+ free_inode_nonrcu(inode);
+}
+
+static void securityfs_destroy_inode(struct inode *inode)
+{
+ call_rcu(&inode->i_rcu, securityfs_i_callback);
}
static const struct super_operations securityfs_super_operations = {
.statfs = simple_statfs,
- .evict_inode = securityfs_evict_inode,
+ .destroy_inode = securityfs_destroy_inode,
};
static int fill_super(struct super_block *sb, void *data, int silent)
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index 8ae824dbfca3..884d4f1ed0c1 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -7,11 +7,12 @@ ARCH := x86
endif
# always use the host compiler
+HOSTAR ?= ar
HOSTCC ?= gcc
HOSTLD ?= ld
+AR = $(HOSTAR)
CC = $(HOSTCC)
LD = $(HOSTLD)
-AR = ar
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 0afcc7eccc61..997875c770b1 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -38,6 +38,10 @@
#include <numa.h>
#include <numaif.h>
+#ifndef RUSAGE_THREAD
+# define RUSAGE_THREAD 1
+#endif
+
/*
* Regular printout to the terminal, supressed if -q is specified:
*/
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index 0bc3e6e93c31..4357141c7c92 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -58,6 +58,7 @@ enum intel_pt_pkt_state {
INTEL_PT_STATE_NO_IP,
INTEL_PT_STATE_ERR_RESYNC,
INTEL_PT_STATE_IN_SYNC,
+ INTEL_PT_STATE_TNT_CONT,
INTEL_PT_STATE_TNT,
INTEL_PT_STATE_TIP,
INTEL_PT_STATE_TIP_PGD,
@@ -72,8 +73,9 @@ static inline bool intel_pt_sample_time(enum intel_pt_pkt_state pkt_state)
case INTEL_PT_STATE_NO_IP:
case INTEL_PT_STATE_ERR_RESYNC:
case INTEL_PT_STATE_IN_SYNC:
- case INTEL_PT_STATE_TNT:
+ case INTEL_PT_STATE_TNT_CONT:
return true;
+ case INTEL_PT_STATE_TNT:
case INTEL_PT_STATE_TIP:
case INTEL_PT_STATE_TIP_PGD:
case INTEL_PT_STATE_FUP:
@@ -888,16 +890,20 @@ static uint64_t intel_pt_next_period(struct intel_pt_decoder *decoder)
timestamp = decoder->timestamp + decoder->timestamp_insn_cnt;
masked_timestamp = timestamp & decoder->period_mask;
if (decoder->continuous_period) {
- if (masked_timestamp != decoder->last_masked_timestamp)
+ if (masked_timestamp > decoder->last_masked_timestamp)
return 1;
} else {
timestamp += 1;
masked_timestamp = timestamp & decoder->period_mask;
- if (masked_timestamp != decoder->last_masked_timestamp) {
+ if (masked_timestamp > decoder->last_masked_timestamp) {
decoder->last_masked_timestamp = masked_timestamp;
decoder->continuous_period = true;
}
}
+
+ if (masked_timestamp < decoder->last_masked_timestamp)
+ return decoder->period_ticks;
+
return decoder->period_ticks - (timestamp - masked_timestamp);
}
@@ -926,7 +932,10 @@ static void intel_pt_sample_insn(struct intel_pt_decoder *decoder)
case INTEL_PT_PERIOD_TICKS:
timestamp = decoder->timestamp + decoder->timestamp_insn_cnt;
masked_timestamp = timestamp & decoder->period_mask;
- decoder->last_masked_timestamp = masked_timestamp;
+ if (masked_timestamp > decoder->last_masked_timestamp)
+ decoder->last_masked_timestamp = masked_timestamp;
+ else
+ decoder->last_masked_timestamp += decoder->period_ticks;
break;
case INTEL_PT_PERIOD_NONE:
case INTEL_PT_PERIOD_MTC:
@@ -1249,7 +1258,9 @@ static int intel_pt_walk_tnt(struct intel_pt_decoder *decoder)
return -ENOENT;
}
decoder->tnt.count -= 1;
- if (!decoder->tnt.count)
+ if (decoder->tnt.count)
+ decoder->pkt_state = INTEL_PT_STATE_TNT_CONT;
+ else
decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
decoder->tnt.payload <<= 1;
decoder->state.from_ip = decoder->ip;
@@ -1280,7 +1291,9 @@ static int intel_pt_walk_tnt(struct intel_pt_decoder *decoder)
if (intel_pt_insn.branch == INTEL_PT_BR_CONDITIONAL) {
decoder->tnt.count -= 1;
- if (!decoder->tnt.count)
+ if (decoder->tnt.count)
+ decoder->pkt_state = INTEL_PT_STATE_TNT_CONT;
+ else
decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
if (decoder->tnt.payload & BIT63) {
decoder->tnt.payload <<= 1;
@@ -1300,8 +1313,11 @@ static int intel_pt_walk_tnt(struct intel_pt_decoder *decoder)
return 0;
}
decoder->ip += intel_pt_insn.length;
- if (!decoder->tnt.count)
+ if (!decoder->tnt.count) {
+ decoder->sample_timestamp = decoder->timestamp;
+ decoder->sample_insn_cnt = decoder->timestamp_insn_cnt;
return -EAGAIN;
+ }
decoder->tnt.payload <<= 1;
continue;
}
@@ -2349,6 +2365,7 @@ const struct intel_pt_state *intel_pt_decode(struct intel_pt_decoder *decoder)
err = intel_pt_walk_trace(decoder);
break;
case INTEL_PT_STATE_TNT:
+ case INTEL_PT_STATE_TNT_CONT:
err = intel_pt_walk_tnt(decoder);
if (err == -EAGAIN)
err = intel_pt_walk_trace(decoder);
diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
index 32aa88c19b8d..4154f98b337c 100644
--- a/virt/kvm/arm/arm.c
+++ b/virt/kvm/arm/arm.c
@@ -856,7 +856,7 @@ int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level,
static int kvm_vcpu_set_target(struct kvm_vcpu *vcpu,
const struct kvm_vcpu_init *init)
{
- unsigned int i;
+ unsigned int i, ret;
int phys_target = kvm_target_cpu();
if (init->target != phys_target)
@@ -891,9 +891,14 @@ static int kvm_vcpu_set_target(struct kvm_vcpu *vcpu,
vcpu->arch.target = phys_target;
/* Now we know what it is, we can reset it. */
- return kvm_reset_vcpu(vcpu);
-}
+ ret = kvm_reset_vcpu(vcpu);
+ if (ret) {
+ vcpu->arch.target = -1;
+ bitmap_zero(vcpu->arch.features, KVM_VCPU_MAX_FEATURES);
+ }
+ return ret;
+}
static int kvm_arch_vcpu_ioctl_vcpu_init(struct kvm_vcpu *vcpu,
struct kvm_vcpu_init *init)
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