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Merge remote-tracking branch 'torvalds/master' into perf/core

Browse Source 
To pick up fixes.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2017-11-13 09:39:12 -03:00
commit 7862edc419
114 changed files with 711 additions and 318 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.mailmap
View File

@ -102,6 +102,7 @@ Leonid I Ananiev <leonid.i.ananiev@intel.com>
Linas Vepstas <linas@austin.ibm.com>
Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@web.de>
Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@ascom.ch>
Maciej W. Rozycki <macro@mips.com> <macro@imgtec.com>
Marcin Nowakowski <marcin.nowakowski@mips.com> <marcin.nowakowski@imgtec.com>
Mark Brown <broonie@sirena.org.uk>
Martin Kepplinger <martink@posteo.de> <martin.kepplinger@theobroma-systems.com>

9
CREDITS
View File

@ -2113,6 +2113,10 @@ S: J. Obrechtstr 23
S: NL-5216 GP 's-Hertogenbosch
S: The Netherlands
N: Ashley Lai
E: ashleydlai@gmail.com
D: IBM VTPM driver
N: Savio Lam
E: lam836@cs.cuhk.hk
D: Author of the dialog utility, foundation
@ -3333,6 +3337,10 @@ S: Braunschweiger Strasse 79
S: 31134 Hildesheim
S: Germany
N: Marcel Selhorst
E: tpmdd@selhorst.net
D: TPM driver
N: Darren Senn
E: sinster@darkwater.com
D: Whatever I notice needs doing (so far: itimers, /proc)
@ -4128,7 +4136,6 @@ D: MD driver
D: EISA/sysfs subsystem
S: France
# Don't add your name here, unless you really _are_ after Marc
# alphabetically. Leonard used to be very proud of being the
# last entry, and he'll get positively pissed if he can't even

25
MAINTAINERS
View File

@ -10341,7 +10341,6 @@ F: drivers/pci/host/vmd.c
PCI DRIVER FOR MICROSEMI SWITCHTEC
M: Kurt Schwemmer <kurt.schwemmer@microsemi.com>
M: Stephen Bates <stephen.bates@microsemi.com>
M: Logan Gunthorpe <logang@deltatee.com>
L: linux-pci@vger.kernel.org
S: Maintained
@ -10406,6 +10405,7 @@ F: drivers/pci/dwc/*keystone*
PCI ENDPOINT SUBSYSTEM
M: Kishon Vijay Abraham I <kishon@ti.com>
M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
L: linux-pci@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git
S: Supported
@ -10457,6 +10457,15 @@ F: include/linux/pci*
F: arch/x86/pci/
F: arch/x86/kernel/quirks.c
PCI NATIVE HOST BRIDGE AND ENDPOINT DRIVERS
M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
L: linux-pci@vger.kernel.org
Q: http://patchwork.ozlabs.org/project/linux-pci/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git/
S: Supported
F: drivers/pci/host/
F: drivers/pci/dwc/
PCIE DRIVER FOR AXIS ARTPEC
M: Niklas Cassel <niklas.cassel@axis.com>
M: Jesper Nilsson <jesper.nilsson@axis.com>
@ -10476,7 +10485,6 @@ F: drivers/pci/host/pci-thunder-*
PCIE DRIVER FOR HISILICON
M: Zhou Wang <wangzhou1@hisilicon.com>
M: Gabriele Paoloni <gabriele.paoloni@huawei.com>
L: linux-pci@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
@ -13603,23 +13611,14 @@ F: drivers/platform/x86/toshiba-wmi.c
TPM DEVICE DRIVER
M: Peter Huewe <peterhuewe@gmx.de>
M: Marcel Selhorst <tpmdd@selhorst.net>
M: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
R: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
W: http://tpmdd.sourceforge.net
L: tpmdd-devel@lists.sourceforge.net (moderated for non-subscribers)
Q: https://patchwork.kernel.org/project/tpmdd-devel/list/
L: linux-integrity@vger.kernel.org
Q: https://patchwork.kernel.org/project/linux-integrity/list/
T: git git://git.infradead.org/users/jjs/linux-tpmdd.git
S: Maintained
F: drivers/char/tpm/
TPM IBM_VTPM DEVICE DRIVER
M: Ashley Lai <ashleydlai@gmail.com>
W: http://tpmdd.sourceforge.net
L: tpmdd-devel@lists.sourceforge.net (moderated for non-subscribers)
S: Maintained
F: drivers/char/tpm/tpm_ibmvtpm*
TRACING
M: Steven Rostedt <rostedt@goodmis.org>
M: Ingo Molnar <mingo@redhat.com>

2
Makefile
View File

@ -2,7 +2,7 @@
VERSION = 4
PATCHLEVEL = 14
SUBLEVEL = 0
EXTRAVERSION = -rc8
EXTRAVERSION =
NAME = Fearless Coyote
# *DOCUMENTATION*

28
arch/arm/kernel/traps.c
View File

@ -154,30 +154,26 @@ static void dump_mem(const char *lvl, const char *str, unsigned long bottom,
set_fs(fs);
}
static void dump_instr(const char *lvl, struct pt_regs *regs)
static void __dump_instr(const char *lvl, struct pt_regs *regs)
{
unsigned long addr = instruction_pointer(regs);
const int thumb = thumb_mode(regs);
const int width = thumb ? 4 : 8;
mm_segment_t fs;
char str[sizeof("00000000 ") * 5 + 2 + 1], *p = str;
int i;
/*
* We need to switch to kernel mode so that we can use __get_user
* to safely read from kernel space. Note that we now dump the
* code first, just in case the backtrace kills us.
* Note that we now dump the code first, just in case the backtrace
* kills us.
*/
fs = get_fs();
set_fs(KERNEL_DS);
for (i = -4; i < 1 + !!thumb; i++) {
unsigned int val, bad;
if (thumb)
bad = __get_user(val, &((u16 *)addr)[i]);
bad = get_user(val, &((u16 *)addr)[i]);
else
bad = __get_user(val, &((u32 *)addr)[i]);
bad = get_user(val, &((u32 *)addr)[i]);
if (!bad)
p += sprintf(p, i == 0 ? "(%0*x) " : "%0*x ",
@ -188,8 +184,20 @@ static void dump_instr(const char *lvl, struct pt_regs *regs)
}
}
printk("%sCode: %s\n", lvl, str);
}
set_fs(fs);
static void dump_instr(const char *lvl, struct pt_regs *regs)
{
mm_segment_t fs;
if (!user_mode(regs)) {
fs = get_fs();
set_fs(KERNEL_DS);
__dump_instr(lvl, regs);
set_fs(fs);
} else {
__dump_instr(lvl, regs);
}
}
#ifdef CONFIG_ARM_UNWIND

5
arch/mips/ar7/platform.c
View File

@ -575,6 +575,7 @@ static int __init ar7_register_uarts(void)
uart_port.type = PORT_AR7;
uart_port.uartclk = clk_get_rate(bus_clk) / 2;
uart_port.iotype = UPIO_MEM32;
uart_port.flags = UPF_FIXED_TYPE;
uart_port.regshift = 2;
uart_port.line = 0;
@ -653,6 +654,10 @@ static int __init ar7_register_devices(void)
u32 val;
int res;
res = ar7_gpio_init();
if (res)
pr_warn("unable to register gpios: %d\n", res);
res = ar7_register_uarts();
if (res)
pr_err("unable to setup uart(s): %d\n", res);

2
arch/mips/ar7/prom.c
View File

@ -246,8 +246,6 @@ void __init prom_init(void)
ar7_init_cmdline(fw_arg0, (char **)fw_arg1);
ar7_init_env((struct env_var *)fw_arg2);
console_config();
ar7_gpio_init();
}
#define PORT(offset) (KSEG1ADDR(AR7_REGS_UART0 + (offset * 4)))

4
arch/mips/kernel/smp-bmips.c
View File

@ -591,11 +591,11 @@ void __init bmips_cpu_setup(void)
/* Flush and enable RAC */
cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG);
__raw_writel(cfg | 0x100, BMIPS_RAC_CONFIG);
__raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG);
__raw_readl(cbr + BMIPS_RAC_CONFIG);
cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG);
__raw_writel(cfg | 0xf, BMIPS_RAC_CONFIG);
__raw_writel(cfg | 0xf, cbr + BMIPS_RAC_CONFIG);
__raw_readl(cbr + BMIPS_RAC_CONFIG);
cfg = __raw_readl(cbr + BMIPS_RAC_ADDRESS_RANGE);

10
arch/powerpc/kvm/book3s_64_mmu_hv.c
View File

@ -646,6 +646,16 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
hnow_v = hpte_new_to_old_v(hnow_v, hnow_r);
hnow_r = hpte_new_to_old_r(hnow_r);
}
/*
* If the HPT is being resized, don't update the HPTE,
* instead let the guest retry after the resize operation is complete.
* The synchronization for hpte_setup_done test vs. set is provided
* by the HPTE lock.
*/
if (!kvm->arch.hpte_setup_done)
goto out_unlock;
if ((hnow_v & ~HPTE_V_HVLOCK) != hpte[0] || hnow_r != hpte[1] ||
rev->guest_rpte != hpte[2])
/* HPTE has been changed under us; let the guest retry */

29
arch/powerpc/kvm/book3s_hv.c
View File

@ -2705,11 +2705,14 @@ static noinline void kvmppc_run_core(struct kvmppc_vcore *vc)
* Hard-disable interrupts, and check resched flag and signals.
* If we need to reschedule or deliver a signal, clean up
* and return without going into the guest(s).
* If the hpte_setup_done flag has been cleared, don't go into the
* guest because that means a HPT resize operation is in progress.
*/
local_irq_disable();
hard_irq_disable();
if (lazy_irq_pending() || need_resched() ||
recheck_signals(&core_info)) {
recheck_signals(&core_info) ||
(!kvm_is_radix(vc->kvm) && !vc->kvm->arch.hpte_setup_done)) {
local_irq_enable();
vc->vcore_state = VCORE_INACTIVE;
/* Unlock all except the primary vcore */
@ -3078,7 +3081,7 @@ out:
static int kvmppc_run_vcpu(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
{
int n_ceded, i;
int n_ceded, i, r;
struct kvmppc_vcore *vc;
struct kvm_vcpu *v;
@ -3132,6 +3135,20 @@ static int kvmppc_run_vcpu(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
while (vcpu->arch.state == KVMPPC_VCPU_RUNNABLE &&
!signal_pending(current)) {
/* See if the HPT and VRMA are ready to go */
if (!kvm_is_radix(vcpu->kvm) &&
!vcpu->kvm->arch.hpte_setup_done) {
spin_unlock(&vc->lock);
r = kvmppc_hv_setup_htab_rma(vcpu);
spin_lock(&vc->lock);
if (r) {
kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY;
kvm_run->fail_entry.hardware_entry_failure_reason = 0;
vcpu->arch.ret = r;
break;
}
}
if (vc->vcore_state == VCORE_PREEMPT && vc->runner == NULL)
kvmppc_vcore_end_preempt(vc);
@ -3249,13 +3266,6 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu)
/* Order vcpus_running vs. hpte_setup_done, see kvmppc_alloc_reset_hpt */
smp_mb();
/* On the first time here, set up HTAB and VRMA */
if (!kvm_is_radix(vcpu->kvm) && !vcpu->kvm->arch.hpte_setup_done) {
r = kvmppc_hv_setup_htab_rma(vcpu);
if (r)
goto out;
}
flush_all_to_thread(current);
/* Save userspace EBB and other register values */
@ -3303,7 +3313,6 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu)
}
mtspr(SPRN_VRSAVE, user_vrsave);
out:
vcpu->arch.state = KVMPPC_VCPU_NOTREADY;
atomic_dec(&vcpu->kvm->arch.vcpus_running);
return r;

2
arch/x86/include/asm/elf.h
View File

@ -253,7 +253,7 @@ extern int force_personality32;
* space open for things that want to use the area for 32-bit pointers.
*/
#define ELF_ET_DYN_BASE (mmap_is_ia32() ? 0x000400000UL : \
(TASK_SIZE / 3 * 2))
(DEFAULT_MAP_WINDOW / 3 * 2))
/* This yields a mask that user programs can use to figure out what
instruction set this CPU supports. This could be done in user space,

2
arch/x86/kernel/cpu/Makefile
View File

@ -22,7 +22,7 @@ obj-y += common.o
obj-y += rdrand.o
obj-y += match.o
obj-y += bugs.o
obj-y += aperfmperf.o
obj-$(CONFIG_CPU_FREQ) += aperfmperf.o
obj-$(CONFIG_PROC_FS) += proc.o
obj-$(CONFIG_X86_FEATURE_NAMES) += capflags.o powerflags.o

11
arch/x86/kernel/cpu/aperfmperf.c
View File

@ -42,6 +42,10 @@ static void aperfmperf_snapshot_khz(void *dummy)
s64 time_delta = ktime_ms_delta(now, s->time);
unsigned long flags;
/* Don't bother re-computing within the cache threshold time. */
if (time_delta < APERFMPERF_CACHE_THRESHOLD_MS)
return;
local_irq_save(flags);
rdmsrl(MSR_IA32_APERF, aperf);
rdmsrl(MSR_IA32_MPERF, mperf);
@ -70,7 +74,6 @@ static void aperfmperf_snapshot_khz(void *dummy)
unsigned int arch_freq_get_on_cpu(int cpu)
{
s64 time_delta;
unsigned int khz;
if (!cpu_khz)
@ -79,12 +82,6 @@ unsigned int arch_freq_get_on_cpu(int cpu)
if (!static_cpu_has(X86_FEATURE_APERFMPERF))
return 0;
/* Don't bother re-computing within the cache threshold time. */
time_delta = ktime_ms_delta(ktime_get(), per_cpu(samples.time, cpu));
khz = per_cpu(samples.khz, cpu);
if (khz && time_delta < APERFMPERF_CACHE_THRESHOLD_MS)
return khz;
smp_call_function_single(cpu, aperfmperf_snapshot_khz, NULL, 1);
khz = per_cpu(samples.khz, cpu);
if (khz)

4
arch/x86/kernel/cpu/proc.c
View File

@ -78,10 +78,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "microcode\t: 0x%x\n", c->microcode);
if (cpu_has(c, X86_FEATURE_TSC)) {
unsigned int freq = arch_freq_get_on_cpu(cpu);
unsigned int freq = cpufreq_quick_get(cpu);
if (!freq)
freq = cpufreq_quick_get(cpu);
if (!freq)
freq = cpu_khz;
seq_printf(m, "cpu MHz\t\t: %u.%03u\n",

2
arch/x86/kernel/idt.c
View File

@ -92,8 +92,6 @@ static const __initdata struct idt_data def_idts[] = {
INTG(X86_TRAP_DF, double_fault),
#endif
INTG(X86_TRAP_DB, debug),
INTG(X86_TRAP_NMI, nmi),
INTG(X86_TRAP_BP, int3),
#ifdef CONFIG_X86_MCE
INTG(X86_TRAP_MC, &machine_check),

11
arch/x86/kernel/smpboot.c
View File

@ -193,6 +193,12 @@ static void smp_callin(void)
*/
smp_store_cpu_info(cpuid);
/*
* The topology information must be up to date before
* calibrate_delay() and notify_cpu_starting().
*/
set_cpu_sibling_map(raw_smp_processor_id());
/*
* Get our bogomips.
* Update loops_per_jiffy in cpu_data. Previous call to
@ -203,11 +209,6 @@ static void smp_callin(void)
cpu_data(cpuid).loops_per_jiffy = loops_per_jiffy;
pr_debug("Stack at about %p\n", &cpuid);
/*
* This must be done before setting cpu_online_mask
* or calling notify_cpu_starting.
*/
set_cpu_sibling_map(raw_smp_processor_id());
wmb();
notify_cpu_starting(cpuid);

10
arch/x86/kernel/traps.c
View File

@ -209,9 +209,6 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str,
if (fixup_exception(regs, trapnr))
return 0;
if (fixup_bug(regs, trapnr))
return 0;
tsk->thread.error_code = error_code;
tsk->thread.trap_nr = trapnr;
die(str, regs, error_code);
@ -292,6 +289,13 @@ static void do_error_trap(struct pt_regs *regs, long error_code, char *str,
RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU");
/*
* WARN*()s end up here; fix them up before we call the
* notifier chain.
*/
if (!user_mode(regs) && fixup_bug(regs, trapnr))
return;
if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) !=
NOTIFY_STOP) {
cond_local_irq_enable(regs);

8
arch/x86/kernel/tsc.c
View File

@ -1346,12 +1346,10 @@ void __init tsc_init(void)
unsigned long calibrate_delay_is_known(void)
{
int sibling, cpu = smp_processor_id();
struct cpumask *mask = topology_core_cpumask(cpu);
int constant_tsc = cpu_has(&cpu_data(cpu), X86_FEATURE_CONSTANT_TSC);
const struct cpumask *mask = topology_core_cpumask(cpu);
if (!tsc_disabled && !cpu_has(&cpu_data(cpu), X86_FEATURE_CONSTANT_TSC))
return 0;
if (!mask)
if (tsc_disabled || !constant_tsc || !mask)
return 0;
sibling = cpumask_any_but(mask, cpu);

2
arch/x86/kernel/unwind_orc.c
View File

@ -279,7 +279,7 @@ static bool deref_stack_reg(struct unwind_state *state, unsigned long addr,
if (!stack_access_ok(state, addr, sizeof(long)))
return false;
*val = READ_ONCE_TASK_STACK(state->task, *(unsigned long *)addr);
*val = READ_ONCE_NOCHECK(*(unsigned long *)addr);
return true;
}

2
arch/x86/mm/mem_encrypt.c
View File

@ -40,7 +40,7 @@ static char sme_cmdline_off[] __initdata = "off";
* section is later cleared.
*/
u64 sme_me_mask __section(.data) = 0;
EXPORT_SYMBOL_GPL(sme_me_mask);
EXPORT_SYMBOL(sme_me_mask);
/* Buffer used for early in-place encryption by BSP, no locking needed */
static char sme_early_buffer[PAGE_SIZE] __aligned(PAGE_SIZE);

4
arch/x86/oprofile/op_model_ppro.c
View File

@ -212,8 +212,8 @@ static void arch_perfmon_setup_counters(void)
eax.full = cpuid_eax(0xa);
/* Workaround for BIOS bugs in 6/15. Taken from perfmon2 */
if (eax.split.version_id == 0 && __this_cpu_read(cpu_info.x86) == 6 &&
__this_cpu_read(cpu_info.x86_model) == 15) {
if (eax.split.version_id == 0 && boot_cpu_data.x86 == 6 &&
boot_cpu_data.x86_model == 15) {
eax.split.version_id = 2;
eax.split.num_counters = 2;
eax.split.bit_width = 40;

28
drivers/acpi/sleep.c
View File

@ -160,6 +160,14 @@ static int __init init_nvs_nosave(const struct dmi_system_id *d)
return 0;
}
static bool acpi_sleep_no_lps0;
static int __init init_no_lps0(const struct dmi_system_id *d)
{
acpi_sleep_no_lps0 = true;
return 0;
}
static const struct dmi_system_id acpisleep_dmi_table[] __initconst = {
{
.callback = init_old_suspend_ordering,
@ -343,6 +351,19 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = {
DMI_MATCH(DMI_PRODUCT_NAME, "80E3"),
},
},
/*
* https://bugzilla.kernel.org/show_bug.cgi?id=196907
* Some Dell XPS13 9360 cannot do suspend-to-idle using the Low Power
* S0 Idle firmware interface.
*/
{
.callback = init_no_lps0,
.ident = "Dell XPS13 9360",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
},
},
{},
};
@ -485,6 +506,7 @@ static void acpi_pm_end(void)
}
#else /* !CONFIG_ACPI_SLEEP */
#define acpi_target_sleep_state ACPI_STATE_S0
#define acpi_sleep_no_lps0 (false)
static inline void acpi_sleep_dmi_check(void) {}
#endif /* CONFIG_ACPI_SLEEP */
@ -863,6 +885,12 @@ static int lps0_device_attach(struct acpi_device *adev,
if (lps0_device_handle)
return 0;
if (acpi_sleep_no_lps0) {
acpi_handle_info(adev->handle,
"Low Power S0 Idle interface disabled\n");
return 0;
}
if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0))
return 0;

4
drivers/block/rbd.c
View File

@ -2692,7 +2692,7 @@ static int rbd_img_obj_parent_read_full(struct rbd_obj_request *obj_request)
* from the parent.
*/
page_count = (u32)calc_pages_for(0, length);
pages = ceph_alloc_page_vector(page_count, GFP_KERNEL);
pages = ceph_alloc_page_vector(page_count, GFP_NOIO);
if (IS_ERR(pages)) {
result = PTR_ERR(pages);
pages = NULL;
@ -2827,7 +2827,7 @@ static int rbd_img_obj_exists_submit(struct rbd_obj_request *obj_request)
*/
size = sizeof (__le64) + sizeof (__le32) + sizeof (__le32);
page_count = (u32)calc_pages_for(0, size);
pages = ceph_alloc_page_vector(page_count, GFP_KERNEL);
pages = ceph_alloc_page_vector(page_count, GFP_NOIO);
if (IS_ERR(pages)) {
ret = PTR_ERR(pages);
goto fail_stat_request;

8
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View File

@ -2094,6 +2094,11 @@ get_fence_array(struct drm_i915_gem_execbuffer2 *args,
goto err;
}
if (fence.flags & __I915_EXEC_FENCE_UNKNOWN_FLAGS) {
err = -EINVAL;
goto err;
}
syncobj = drm_syncobj_find(file, fence.handle);
if (!syncobj) {
DRM_DEBUG("Invalid syncobj handle provided\n");
@ -2101,6 +2106,9 @@ get_fence_array(struct drm_i915_gem_execbuffer2 *args,
goto err;
}
BUILD_BUG_ON(~(ARCH_KMALLOC_MINALIGN - 1) &
~__I915_EXEC_FENCE_UNKNOWN_FLAGS);
fences[n] = ptr_pack_bits(syncobj, fence.flags, 2);
}

25
drivers/gpu/drm/i915/i915_gem_gtt.c
View File

@ -832,10 +832,14 @@ static void gen8_ppgtt_clear_4lvl(struct i915_address_space *vm,
}
}
struct sgt_dma {
static inline struct sgt_dma {
struct scatterlist *sg;
dma_addr_t dma, max;
};
} sgt_dma(struct i915_vma *vma) {
struct scatterlist *sg = vma->pages->sgl;
dma_addr_t addr = sg_dma_address(sg);
return (struct sgt_dma) { sg, addr, addr + sg->length };
}
struct gen8_insert_pte {
u16 pml4e;
@ -916,11 +920,7 @@ static void gen8_ppgtt_insert_3lvl(struct i915_address_space *vm,
u32 unused)
{
struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm);
struct sgt_dma iter = {
.sg = vma->pages->sgl,
.dma = sg_dma_address(iter.sg),
.max = iter.dma + iter.sg->length,
};
struct sgt_dma iter = sgt_dma(vma);
struct gen8_insert_pte idx = gen8_insert_pte(vma->node.start);
gen8_ppgtt_insert_pte_entries(ppgtt, &ppgtt->pdp, &iter, &idx,
@ -933,11 +933,7 @@ static void gen8_ppgtt_insert_4lvl(struct i915_address_space *vm,
u32 unused)
{
struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm);
struct sgt_dma iter = {
.sg = vma->pages->sgl,
.dma = sg_dma_address(iter.sg),
.max = iter.dma + iter.sg->length,
};
struct sgt_dma iter = sgt_dma(vma);
struct i915_page_directory_pointer **pdps = ppgtt->pml4.pdps;
struct gen8_insert_pte idx = gen8_insert_pte(vma->node.start);
@ -1632,13 +1628,10 @@ static void gen6_ppgtt_insert_entries(struct i915_address_space *vm,
unsigned act_pt = first_entry / GEN6_PTES;
unsigned act_pte = first_entry % GEN6_PTES;
const u32 pte_encode = vm->pte_encode(0, cache_level, flags);
struct sgt_dma iter;
struct sgt_dma iter = sgt_dma(vma);
gen6_pte_t *vaddr;
vaddr = kmap_atomic_px(ppgtt->pd.page_table[act_pt]);
iter.sg = vma->pages->sgl;
iter.dma = sg_dma_address(iter.sg);
iter.max = iter.dma + iter.sg->length;
do {
vaddr[act_pte] = pte_encode | GEN6_PTE_ADDR_ENCODE(iter.dma);

2
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View File

@ -721,7 +721,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
* allocation taken by fbdev
*/
if (!(dev_priv->capabilities & SVGA_CAP_3D))
mem_size *= 2;
mem_size *= 3;
dev_priv->max_mob_pages = mem_size * 1024 / PAGE_SIZE;
dev_priv->prim_bb_mem =

2
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
View File

@ -224,7 +224,7 @@ out:
return ret;
}
static struct dma_fence_ops vmw_fence_ops = {
static const struct dma_fence_ops vmw_fence_ops = {
.get_driver_name = vmw_fence_get_driver_name,
.get_timeline_name = vmw_fence_get_timeline_name,
.enable_signaling = vmw_fence_enable_signaling,

7
drivers/ide/ide-cd.c
View File

@ -867,11 +867,16 @@ static void msf_from_bcd(struct atapi_msf *msf)
int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense)
{
struct cdrom_info *info = drive->driver_data;
struct cdrom_device_info *cdi = &info->devinfo;
struct cdrom_device_info *cdi;
unsigned char cmd[BLK_MAX_CDB];
ide_debug_log(IDE_DBG_FUNC, "enter");
if (!info)
return -EIO;
cdi = &info->devinfo;
memset(cmd, 0, BLK_MAX_CDB);
cmd[0] = GPCMD_TEST_UNIT_READY;

1
drivers/input/mouse/elan_i2c_core.c
View File

@ -1258,6 +1258,7 @@ static const struct acpi_device_id elan_acpi_id[] = {
{ "ELAN0605", 0 },
{ "ELAN0609", 0 },
{ "ELAN060B", 0 },
{ "ELAN060C", 0 },
{ "ELAN0611", 0 },
{ "ELAN1000", 0 },
{ }

4
drivers/input/rmi4/rmi_smbus.c
View File

@ -312,7 +312,7 @@ static int rmi_smb_probe(struct i2c_client *client,
rmi_smb->xport.dev = &client->dev;
rmi_smb->xport.pdata = *pdata;
rmi_smb->xport.pdata.irq = client->irq;
rmi_smb->xport.proto_name = "smb2";
rmi_smb->xport.proto_name = "smb";
rmi_smb->xport.ops = &rmi_smb_ops;
smbus_version = rmi_smb_get_version(rmi_smb);
@ -322,7 +322,7 @@ static int rmi_smb_probe(struct i2c_client *client,
rmi_dbg(RMI_DEBUG_XPORT, &client->dev, "Smbus version is %d",
smbus_version);
if (smbus_version != 2) {
if (smbus_version != 2 && smbus_version != 3) {
dev_err(&client->dev, "Unrecognized SMB version %d\n",
smbus_version);
return -ENODEV;

1
drivers/input/touchscreen/tsc200x-core.c
View File

@ -531,6 +531,7 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
input_set_drvdata(input_dev, ts);
__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
input_set_capability(input_dev, EV_KEY, BTN_TOUCH);
input_set_abs_params(input_dev, ABS_X,

3
drivers/net/bonding/bond_main.c
View File

@ -2042,6 +2042,7 @@ static int bond_miimon_inspect(struct bonding *bond)
bond_for_each_slave_rcu(bond, slave, iter) {
slave->new_link = BOND_LINK_NOCHANGE;
slave->link_new_state = slave->link;
link_state = bond_check_dev_link(bond, slave->dev, 0);
@ -3253,7 +3254,7 @@ u32 bond_xmit_hash(struct bonding *bond, struct sk_buff *skb)
hash ^= (hash >> 16);
hash ^= (hash >> 8);
return hash;
return hash >> 1;
}
/*-------------------------- Device entry points ----------------------------*/

1
drivers/net/can/c_can/c_can_pci.c
View File

@ -178,7 +178,6 @@ static int c_can_pci_probe(struct pci_dev *pdev,
break;
case BOSCH_D_CAN:
priv->regs = reg_map_d_can;
priv->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES;
break;
default:
ret = -EINVAL;

1
drivers/net/can/c_can/c_can_platform.c
View File

@ -320,7 +320,6 @@ static int c_can_plat_probe(struct platform_device *pdev)
break;
case BOSCH_D_CAN:
priv->regs = reg_map_d_can;
priv->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES;
priv->read_reg = c_can_plat_read_reg_aligned_to_16bit;
priv->write_reg = c_can_plat_write_reg_aligned_to_16bit;
priv->read_reg32 = d_can_plat_read_reg32;

6
drivers/net/can/ifi_canfd/ifi_canfd.c
View File

@ -670,9 +670,9 @@ static void ifi_canfd_set_bittiming(struct net_device *ndev)
priv->base + IFI_CANFD_FTIME);
/* Configure transmitter delay */
tdc = (dbt->brp * (dbt->phase_seg1 + 1)) & IFI_CANFD_TDELAY_MASK;
writel(IFI_CANFD_TDELAY_EN | IFI_CANFD_TDELAY_ABS | tdc,
priv->base + IFI_CANFD_TDELAY);
tdc = dbt->brp * (dbt->prop_seg + dbt->phase_seg1);
tdc &= IFI_CANFD_TDELAY_MASK;
writel(IFI_CANFD_TDELAY_EN | tdc, priv->base + IFI_CANFD_TDELAY);
}
static void ifi_canfd_set_filter(struct net_device *ndev, const u32 id,

14
drivers/net/can/peak_canfd/peak_pciefd_main.c
View File

@ -29,14 +29,19 @@
#include "peak_canfd_user.h"
MODULE_AUTHOR("Stephane Grosjean <s.grosjean@peak-system.com>");
MODULE_DESCRIPTION("Socket-CAN driver for PEAK PCAN PCIe FD family cards");
MODULE_SUPPORTED_DEVICE("PEAK PCAN PCIe FD CAN cards");
MODULE_DESCRIPTION("Socket-CAN driver for PEAK PCAN PCIe/M.2 FD family cards");
MODULE_SUPPORTED_DEVICE("PEAK PCAN PCIe/M.2 FD CAN cards");
MODULE_LICENSE("GPL v2");
#define PCIEFD_DRV_NAME "peak_pciefd"
#define PEAK_PCI_VENDOR_ID 0x001c /* The PCI device and vendor IDs */
#define PEAK_PCIEFD_ID 0x0013 /* for PCIe slot cards */
#define PCAN_CPCIEFD_ID 0x0014 /* for Compact-PCI Serial slot cards */
#define PCAN_PCIE104FD_ID 0x0017 /* for PCIe-104 Express slot cards */
#define PCAN_MINIPCIEFD_ID 0x0018 /* for mini-PCIe slot cards */
#define PCAN_PCIEFD_OEM_ID 0x0019 /* for PCIe slot OEM cards */
#define PCAN_M2_ID 0x001a /* for M2 slot cards */
/* PEAK PCIe board access description */
#define PCIEFD_BAR0_SIZE (64 * 1024)
@ -203,6 +208,11 @@ struct pciefd_board {
/* supported device ids. */
static const struct pci_device_id peak_pciefd_tbl[] = {
{PEAK_PCI_VENDOR_ID, PEAK_PCIEFD_ID, PCI_ANY_ID, PCI_ANY_ID,},
{PEAK_PCI_VENDOR_ID, PCAN_CPCIEFD_ID, PCI_ANY_ID, PCI_ANY_ID,},
{PEAK_PCI_VENDOR_ID, PCAN_PCIE104FD_ID, PCI_ANY_ID, PCI_ANY_ID,},
{PEAK_PCI_VENDOR_ID, PCAN_MINIPCIEFD_ID, PCI_ANY_ID, PCI_ANY_ID,},
{PEAK_PCI_VENDOR_ID, PCAN_PCIEFD_OEM_ID, PCI_ANY_ID, PCI_ANY_ID,},
{PEAK_PCI_VENDOR_ID, PCAN_M2_ID, PCI_ANY_ID, PCI_ANY_ID,},
{0,}
};

12
drivers/net/can/sun4i_can.c
View File

@ -539,6 +539,13 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status)
}
stats->rx_over_errors++;
stats->rx_errors++;
/* reset the CAN IP by entering reset mode
* ignoring timeout error
*/
set_reset_mode(dev);
set_normal_mode(dev);
/* clear bit */
sun4i_can_write_cmdreg(priv, SUN4I_CMD_CLEAR_OR_FLAG);
}
@ -653,8 +660,9 @@ static irqreturn_t sun4i_can_interrupt(int irq, void *dev_id)
netif_wake_queue(dev);
can_led_event(dev, CAN_LED_EVENT_TX);
}
if (isrc & SUN4I_INT_RBUF_VLD) {
/* receive interrupt */
if ((isrc & SUN4I_INT_RBUF_VLD) &&
!(isrc & SUN4I_INT_DATA_OR)) {
/* receive interrupt - don't read if overrun occurred */
while (status & SUN4I_STA_RBUF_RDY) {
/* RX buffer is not empty */
sun4i_can_rx(dev);

6
drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h
View File

@ -37,7 +37,7 @@
#define T4FW_VERSION_MAJOR 0x01
#define T4FW_VERSION_MINOR 0x10
#define T4FW_VERSION_MICRO 0x2D
#define T4FW_VERSION_MICRO 0x3F
#define T4FW_VERSION_BUILD 0x00
#define T4FW_MIN_VERSION_MAJOR 0x01
@ -46,7 +46,7 @@
#define T5FW_VERSION_MAJOR 0x01
#define T5FW_VERSION_MINOR 0x10
#define T5FW_VERSION_MICRO 0x2D
#define T5FW_VERSION_MICRO 0x3F
#define T5FW_VERSION_BUILD 0x00
#define T5FW_MIN_VERSION_MAJOR 0x00
@ -55,7 +55,7 @@
#define T6FW_VERSION_MAJOR 0x01
#define T6FW_VERSION_MINOR 0x10
#define T6FW_VERSION_MICRO 0x2D
#define T6FW_VERSION_MICRO 0x3F
#define T6FW_VERSION_BUILD 0x00
#define T6FW_MIN_VERSION_MAJOR 0x00

4
drivers/net/ethernet/marvell/mvpp2.c
View File

@ -6747,6 +6747,9 @@ static int mvpp2_irqs_init(struct mvpp2_port *port)
for (i = 0; i < port->nqvecs; i++) {
struct mvpp2_queue_vector *qv = port->qvecs + i;
if (qv->type == MVPP2_QUEUE_VECTOR_PRIVATE)
irq_set_status_flags(qv->irq, IRQ_NO_BALANCING);
err = request_irq(qv->irq, mvpp2_isr, 0, port->dev->name, qv);
if (err)
goto err;
@ -6776,6 +6779,7 @@ static void mvpp2_irqs_deinit(struct mvpp2_port *port)
struct mvpp2_queue_vector *qv = port->qvecs + i;
irq_set_affinity_hint(qv->irq, NULL);
irq_clear_status_flags(qv->irq, IRQ_NO_BALANCING);
free_irq(qv->irq, qv);
}
}

2
drivers/net/ethernet/mellanox/mlx5/core/dev.c
View File

@ -93,7 +93,7 @@ static void delayed_event_release(struct mlx5_device_context *dev_ctx,
list_splice_init(&priv->waiting_events_list, &temp);
if (!dev_ctx->context)
goto out;
list_for_each_entry_safe(de, n, &priv->waiting_events_list, list)
list_for_each_entry_safe(de, n, &temp, list)
dev_ctx->intf->event(dev, dev_ctx->context, de->event, de->param);
out:

2
drivers/net/ethernet/mellanox/mlx5/core/en.h
View File

@ -67,7 +67,7 @@
#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xd
#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x1
#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x2
#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW 0x3
#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW 0x6

13
drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
View File

@ -365,21 +365,24 @@ static void mlx5e_execute_l2_action(struct mlx5e_priv *priv,
struct mlx5e_l2_hash_node *hn)
{
u8 action = hn->action;
u8 mac_addr[ETH_ALEN];
int l2_err = 0;
ether_addr_copy(mac_addr, hn->ai.addr);
switch (action) {
case MLX5E_ACTION_ADD:
mlx5e_add_l2_flow_rule(priv, &hn->ai, MLX5E_FULLMATCH);
if (!is_multicast_ether_addr(hn->ai.addr)) {
l2_err = mlx5_mpfs_add_mac(priv->mdev, hn->ai.addr);
if (!is_multicast_ether_addr(mac_addr)) {
l2_err = mlx5_mpfs_add_mac(priv->mdev, mac_addr);
hn->mpfs = !l2_err;
}
hn->action = MLX5E_ACTION_NONE;
break;
case MLX5E_ACTION_DEL:
if (!is_multicast_ether_addr(hn->ai.addr) && hn->mpfs)
l2_err = mlx5_mpfs_del_mac(priv->mdev, hn->ai.addr);
if (!is_multicast_ether_addr(mac_addr) && hn->mpfs)
l2_err = mlx5_mpfs_del_mac(priv->mdev, mac_addr);
mlx5e_del_l2_flow_rule(priv, &hn->ai);
mlx5e_del_l2_from_hash(hn);
break;
@ -387,7 +390,7 @@ static void mlx5e_execute_l2_action(struct mlx5e_priv *priv,
if (l2_err)
netdev_warn(priv->netdev, "MPFS, failed to %s mac %pM, err(%d)\n",
action == MLX5E_ACTION_ADD ? "add" : "del", hn->ai.addr, l2_err);
action == MLX5E_ACTION_ADD ? "add" : "del", mac_addr, l2_err);
}
static void mlx5e_sync_netdev_addr(struct mlx5e_priv *priv)

12
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
View File

@ -215,22 +215,20 @@ static inline bool mlx5e_rx_cache_get(struct mlx5e_rq *rq,
static inline int mlx5e_page_alloc_mapped(struct mlx5e_rq *rq,
struct mlx5e_dma_info *dma_info)
{
struct page *page;
if (mlx5e_rx_cache_get(rq, dma_info))
return 0;
page = dev_alloc_pages(rq->buff.page_order);
if (unlikely(!page))
dma_info->page = dev_alloc_pages(rq->buff.page_order);
if (unlikely(!dma_info->page))
return -ENOMEM;
dma_info->addr = dma_map_page(rq->pdev, page, 0,
dma_info->addr = dma_map_page(rq->pdev, dma_info->page, 0,
RQ_PAGE_SIZE(rq), rq->buff.map_dir);
if (unlikely(dma_mapping_error(rq->pdev, dma_info->addr))) {
put_page(page);
put_page(dma_info->page);
dma_info->page = NULL;
return -ENOMEM;
}
dma_info->page = page;
return 0;
}

10
drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
View File

@ -49,7 +49,7 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget)
struct mlx5e_channel *c = container_of(napi, struct mlx5e_channel,
napi);
bool busy = false;
int work_done;
int work_done = 0;
int i;
for (i = 0; i < c->num_tc; i++)
@ -58,15 +58,17 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget)
if (c->xdp)
busy |= mlx5e_poll_xdpsq_cq(&c->rq.xdpsq.cq);
work_done = mlx5e_poll_rx_cq(&c->rq.cq, budget);
busy |= work_done == budget;
if (likely(budget)) { /* budget=0 means: don't poll rx rings */
work_done = mlx5e_poll_rx_cq(&c->rq.cq, budget);
busy |= work_done == budget;
}
busy |= c->rq.post_wqes(&c->rq);
if (busy) {
if (likely(mlx5e_channel_no_affinity_change(c)))
return budget;
if (work_done == budget)
if (budget && work_done == budget)
work_done--;
}

7
drivers/net/ethernet/mellanox/mlx5/core/main.c
View File

@ -1482,9 +1482,16 @@ static int mlx5_try_fast_unload(struct mlx5_core_dev *dev)
return -EAGAIN;
}
/* Panic tear down fw command will stop the PCI bus communication
* with the HCA, so the health polll is no longer needed.
*/
mlx5_drain_health_wq(dev);
mlx5_stop_health_poll(dev);
ret = mlx5_cmd_force_teardown_hca(dev);
if (ret) {
mlx5_core_dbg(dev, "Firmware couldn't do fast unload error: %d\n", ret);
mlx5_start_health_poll(dev);
return ret;
}

4
drivers/net/usb/asix_devices.c
View File

@ -626,7 +626,7 @@ static int asix_suspend(struct usb_interface *intf, pm_message_t message)
struct usbnet *dev = usb_get_intfdata(intf);
struct asix_common_private *priv = dev->driver_priv;
if (priv->suspend)
if (priv && priv->suspend)
priv->suspend(dev);
return usbnet_suspend(intf, message);
@ -678,7 +678,7 @@ static int asix_resume(struct usb_interface *intf)
struct usbnet *dev = usb_get_intfdata(intf);
struct asix_common_private *priv = dev->driver_priv;
if (priv->resume)
if (priv && priv->resume)
priv->resume(dev);
return usbnet_resume(intf);

2
drivers/net/usb/cdc_ether.c
View File

@ -230,7 +230,7 @@ skip:
goto bad_desc;
}
if (header.usb_cdc_ether_desc) {
if (header.usb_cdc_ether_desc && info->ether->wMaxSegmentSize) {
dev->hard_mtu = le16_to_cpu(info->ether->wMaxSegmentSize);
/* because of Zaurus, we may be ignoring the host
* side link address we were given.

3
drivers/net/usb/qmi_wwan.c
View File

@ -499,6 +499,7 @@ static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
return 1;
}
if (rawip) {
skb_reset_mac_header(skb);
skb->dev = dev->net; /* normally set by eth_type_trans */
skb->protocol = proto;
return 1;
@ -681,7 +682,7 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf)
}
/* errors aren't fatal - we can live with the dynamic address */
if (cdc_ether) {
if (cdc_ether && cdc_ether->wMaxSegmentSize) {
dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize);
usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress);
}

3
drivers/scsi/scsi_lib.c
View File

@ -2685,7 +2685,6 @@ scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state)
}
sdev->sdev_state = state;
sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state");
return 0;
illegal:
@ -3109,7 +3108,6 @@ int scsi_internal_device_unblock_nowait(struct scsi_device *sdev,
case SDEV_BLOCK:
case SDEV_TRANSPORT_OFFLINE:
sdev->sdev_state = new_state;
sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state");
break;
case SDEV_CREATED_BLOCK:
if (new_state == SDEV_TRANSPORT_OFFLINE ||
@ -3117,7 +3115,6 @@ int scsi_internal_device_unblock_nowait(struct scsi_device *sdev,
sdev->sdev_state = new_state;
else
sdev->sdev_state = SDEV_CREATED;
sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state");
break;
case SDEV_CANCEL:
case SDEV_OFFLINE:

5
drivers/scsi/scsi_transport_srp.c
View File

@ -556,11 +556,8 @@ int srp_reconnect_rport(struct srp_rport *rport)
*/
shost_for_each_device(sdev, shost) {
mutex_lock(&sdev->state_mutex);
if (sdev->sdev_state == SDEV_OFFLINE) {
if (sdev->sdev_state == SDEV_OFFLINE)
sdev->sdev_state = SDEV_RUNNING;
sysfs_notify(&sdev->sdev_gendev.kobj,
NULL, "state");
}
mutex_unlock(&sdev->state_mutex);
}
} else if (rport->state == SRP_RPORT_RUNNING) {

8
include/linux/kallsyms.h
View File

@ -14,6 +14,14 @@
#define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s]") + (KSYM_NAME_LEN - 1) + \
2*(BITS_PER_LONG*3/10) + (MODULE_NAME_LEN - 1) + 1)
/* How and when do we show kallsyms values? */
extern int kallsyms_show_value(void);
#ifndef CONFIG_64BIT
# define KALLSYM_FMT "%08lx"
#else
# define KALLSYM_FMT "%016lx"
#endif
struct module;
#ifdef CONFIG_KALLSYMS

7
include/linux/skbuff.h
View File

@ -3770,6 +3770,13 @@ static inline void nf_reset_trace(struct sk_buff *skb)
#endif
}
static inline void ipvs_reset(struct sk_buff *skb)
{
#if IS_ENABLED(CONFIG_IP_VS)
skb->ipvs_property = 0;
#endif
}
/* Note: This doesn't put any conntrack and bridge info in dst. */
static inline void __nf_copy(struct sk_buff *dst, const struct sk_buff *src,
bool copy)

5
include/linux/sysctl.h
View File

@ -213,6 +213,11 @@ static inline struct ctl_table_header *register_sysctl_paths(
return NULL;
}
static inline struct ctl_table_header *register_sysctl(const char *path, struct ctl_table *table)
{
return NULL;
}
static inline void unregister_sysctl_table(struct ctl_table_header * table)
{
}

4
include/net/act_api.h
View File

@ -14,7 +14,6 @@
struct tcf_idrinfo {
spinlock_t lock;
struct idr action_idr;
struct net *net;
};
struct tc_action_ops;
@ -106,7 +105,7 @@ struct tc_action_net {
static inline
int tc_action_net_init(struct tc_action_net *tn,
const struct tc_action_ops *ops, struct net *net)
const struct tc_action_ops *ops)
{
int err = 0;
@ -114,7 +113,6 @@ int tc_action_net_init(struct tc_action_net *tn,
if (!tn->idrinfo)
return -ENOMEM;
tn->ops = ops;
tn->idrinfo->net = net;
spin_lock_init(&tn->idrinfo->lock);
idr_init(&tn->idrinfo->action_idr);
return err;

24
include/net/pkt_cls.h
View File

@ -94,6 +94,7 @@ struct tcf_exts {
__u32 type; /* for backward compat(TCA_OLD_COMPAT) */
int nr_actions;
struct tc_action **actions;
struct net *net;
#endif
/* Map to export classifier specific extension TLV types to the
* generic extensions API. Unsupported extensions must be set to 0.
@ -107,6 +108,7 @@ static inline int tcf_exts_init(struct tcf_exts *exts, int action, int police)
#ifdef CONFIG_NET_CLS_ACT
exts->type = 0;
exts->nr_actions = 0;
exts->net = NULL;
exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *),
GFP_KERNEL);
if (!exts->actions)
@ -117,6 +119,28 @@ static inline int tcf_exts_init(struct tcf_exts *exts, int action, int police)
return 0;
}
/* Return false if the netns is being destroyed in cleanup_net(). Callers
* need to do cleanup synchronously in this case, otherwise may race with
* tc_action_net_exit(). Return true for other cases.
*/
static inline bool tcf_exts_get_net(struct tcf_exts *exts)
{
#ifdef CONFIG_NET_CLS_ACT
exts->net = maybe_get_net(exts->net);
return exts->net != NULL;
#else
return true;
#endif
}
static inline void tcf_exts_put_net(struct tcf_exts *exts)
{
#ifdef CONFIG_NET_CLS_ACT
if (exts->net)
put_net(exts->net);
#endif
}
static inline void tcf_exts_to_list(const struct tcf_exts *exts,
struct list_head *actions)
{

3
include/sound/seq_kernel.h
View File

@ -49,7 +49,8 @@ typedef union snd_seq_timestamp snd_seq_timestamp_t;
#define SNDRV_SEQ_DEFAULT_CLIENT_EVENTS 200
/* max delivery path length */
#define SNDRV_SEQ_MAX_HOPS 10
/* NOTE: this shouldn't be greater than MAX_LOCKDEP_SUBCLASSES */
#define SNDRV_SEQ_MAX_HOPS 8
/* max size of event size */
#define SNDRV_SEQ_MAX_EVENT_LEN 0x3fffffff

2
include/sound/timer.h
View File

@ -90,6 +90,8 @@ struct snd_timer {
struct list_head ack_list_head;
struct list_head sack_list_head; /* slow ack list head */
struct tasklet_struct task_queue;
int max_instances; /* upper limit of timer instances */
int num_instances; /* current number of timer instances */
};
struct snd_timer_instance {

1
include/uapi/drm/i915_drm.h
View File

@ -829,6 +829,7 @@ struct drm_i915_gem_exec_fence {
#define I915_EXEC_FENCE_WAIT (1<<0)
#define I915_EXEC_FENCE_SIGNAL (1<<1)
#define __I915_EXEC_FENCE_UNKNOWN_FLAGS (-(I915_EXEC_FENCE_SIGNAL << 1))
__u32 flags;
};

43
kernel/kallsyms.c
View File

@ -480,6 +480,7 @@ struct kallsym_iter {
char name[KSYM_NAME_LEN];
char module_name[MODULE_NAME_LEN];
int exported;
int show_value;
};
static int get_ksymbol_mod(struct kallsym_iter *iter)
@ -582,12 +583,15 @@ static void s_stop(struct seq_file *m, void *p)
static int s_show(struct seq_file *m, void *p)
{
unsigned long value;
struct kallsym_iter *iter = m->private;
/* Some debugging symbols have no name. Ignore them. */
if (!iter->name[0])
return 0;
value = iter->show_value ? iter->value : 0;
if (iter->module_name[0]) {
char type;
@ -597,10 +601,10 @@ static int s_show(struct seq_file *m, void *p)
*/
type = iter->exported ? toupper(iter->type) :
tolower(iter->type);
seq_printf(m, "%pK %c %s\t[%s]\n", (void *)iter->value,
seq_printf(m, KALLSYM_FMT " %c %s\t[%s]\n", value,
type, iter->name, iter->module_name);
} else
seq_printf(m, "%pK %c %s\n", (void *)iter->value,
seq_printf(m, KALLSYM_FMT " %c %s\n", value,
iter->type, iter->name);
return 0;
}
@ -612,6 +616,40 @@ static const struct seq_operations kallsyms_op = {
.show = s_show
};
static inline int kallsyms_for_perf(void)
{
#ifdef CONFIG_PERF_EVENTS
extern int sysctl_perf_event_paranoid;
if (sysctl_perf_event_paranoid <= 1)
return 1;
#endif
return 0;
}
/*
* We show kallsyms information even to normal users if we've enabled
* kernel profiling and are explicitly not paranoid (so kptr_restrict
* is clear, and sysctl_perf_event_paranoid isn't set).
*
* Otherwise, require CAP_SYSLOG (assuming kptr_restrict isn't set to
* block even that).
*/
int kallsyms_show_value(void)
{
switch (kptr_restrict) {
case 0:
if (kallsyms_for_perf())
return 1;
/* fallthrough */
case 1:
if (has_capability_noaudit(current, CAP_SYSLOG))
return 1;
/* fallthrough */
default:
return 0;
}
}
static int kallsyms_open(struct inode *inode, struct file *file)
{
/*
@ -625,6 +663,7 @@ static int kallsyms_open(struct inode *inode, struct file *file)
return -ENOMEM;
reset_iter(iter, 0);
iter->show_value = kallsyms_show_value();
return 0;
}

22
kernel/module.c
View File

@ -1516,7 +1516,7 @@ static void add_sect_attrs(struct module *mod, const struct load_info *info)
sattr->mattr.show = module_sect_show;
sattr->mattr.store = NULL;
sattr->mattr.attr.name = sattr->name;
sattr->mattr.attr.mode = S_IRUGO;
sattr->mattr.attr.mode = S_IRUSR;
*(gattr++) = &(sattr++)->mattr.attr;
}
*gattr = NULL;
@ -4147,6 +4147,7 @@ static int m_show(struct seq_file *m, void *p)
{
struct module *mod = list_entry(p, struct module, list);
char buf[MODULE_FLAGS_BUF_SIZE];
unsigned long value;
/* We always ignore unformed modules. */
if (mod->state == MODULE_STATE_UNFORMED)
@ -4162,7 +4163,8 @@ static int m_show(struct seq_file *m, void *p)
mod->state == MODULE_STATE_COMING ? "Loading" :
"Live");
/* Used by oprofile and other similar tools. */
seq_printf(m, " 0x%pK", mod->core_layout.base);
value = m->private ? 0 : (unsigned long)mod->core_layout.base;
seq_printf(m, " 0x" KALLSYM_FMT, value);
/* Taints info */
if (mod->taints)
@ -4184,9 +4186,23 @@ static const struct seq_operations modules_op = {
.show = m_show
};
/*
* This also sets the "private" pointer to non-NULL if the
* kernel pointers should be hidden (so you can just test
* "m->private" to see if you should keep the values private).
*
* We use the same logic as for /proc/kallsyms.
*/
static int modules_open(struct inode *inode, struct file *file)
{
return seq_open(file, &modules_op);
int err = seq_open(file, &modules_op);
if (!err) {
struct seq_file *m = file->private_data;
m->private = kallsyms_show_value() ? NULL : (void *)8ul;
}
return 0;
}
static const struct file_operations proc_modules_operations = {

6
kernel/sched/cpufreq_schedutil.c
View File

@ -649,6 +649,7 @@ static int sugov_start(struct cpufreq_policy *policy)
struct sugov_cpu *sg_cpu = &per_cpu(sugov_cpu, cpu);
memset(sg_cpu, 0, sizeof(*sg_cpu));
sg_cpu->cpu = cpu;
sg_cpu->sg_policy = sg_policy;
sg_cpu->flags = SCHED_CPUFREQ_RT;
sg_cpu->iowait_boost_max = policy->cpuinfo.max_freq;
@ -714,11 +715,6 @@ struct cpufreq_governor *cpufreq_default_governor(void)
static int __init sugov_register(void)
{
int cpu;
for_each_possible_cpu(cpu)
per_cpu(sugov_cpu, cpu).cpu = cpu;
return cpufreq_register_governor(&schedutil_gov);
}
fs_initcall(sugov_register);

4
lib/asn1_decoder.c
View File

@ -228,7 +228,7 @@ next_op:
hdr = 2;
/* Extract a tag from the data */
if (unlikely(dp >= datalen - 1))
if (unlikely(datalen - dp < 2))
goto data_overrun_error;
tag = data[dp++];
if (unlikely((tag & 0x1f) == ASN1_LONG_TAG))
@ -274,7 +274,7 @@ next_op:
int n = len - 0x80;
if (unlikely(n > 2))
goto length_too_long;
if (unlikely(dp >= datalen - n))
if (unlikely(n > datalen - dp))
goto data_overrun_error;
hdr += n;
for (len = 0; n > 0; n--) {

6
net/8021q/vlan.c
View File

@ -376,6 +376,9 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
dev->name);
vlan_vid_add(dev, htons(ETH_P_8021Q), 0);
}
if (event == NETDEV_DOWN &&
(dev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
vlan_vid_del(dev, htons(ETH_P_8021Q), 0);
vlan_info = rtnl_dereference(dev->vlan_info);
if (!vlan_info)
@ -423,9 +426,6 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
struct net_device *tmp;
LIST_HEAD(close_list);
if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
vlan_vid_del(dev, htons(ETH_P_8021Q), 0);
/* Put all VLANs for this dev in the down state too. */
vlan_group_for_each_dev(grp, i, vlandev) {
flgs = vlandev->flags;

1
net/core/skbuff.c
View File

@ -4864,6 +4864,7 @@ void skb_scrub_packet(struct sk_buff *skb, bool xnet)
if (!xnet)
return;
ipvs_reset(skb);
skb_orphan(skb);
skb->mark = 0;
}

4
net/dsa/switch.c
View File

@ -133,6 +133,8 @@ static int dsa_switch_mdb_add(struct dsa_switch *ds,
if (err)
return err;
}
return 0;
}
for_each_set_bit(port, group, ds->num_ports)
@ -180,6 +182,8 @@ static int dsa_switch_vlan_add(struct dsa_switch *ds,
if (err)
return err;
}
return 0;
}
for_each_set_bit(port, members, ds->num_ports)

5
net/ipv4/tcp_input.c
View File

@ -115,7 +115,7 @@ int sysctl_tcp_invalid_ratelimit __read_mostly = HZ/2;
#define FLAG_ACKED (FLAG_DATA_ACKED|FLAG_SYN_ACKED)
#define FLAG_NOT_DUP (FLAG_DATA|FLAG_WIN_UPDATE|FLAG_ACKED)
#define FLAG_CA_ALERT (FLAG_DATA_SACKED|FLAG_ECE)
#define FLAG_CA_ALERT (FLAG_DATA_SACKED|FLAG_ECE|FLAG_DSACKING_ACK)
#define FLAG_FORWARD_PROGRESS (FLAG_ACKED|FLAG_DATA_SACKED)
#define TCP_REMNANT (TCP_FLAG_FIN|TCP_FLAG_URG|TCP_FLAG_SYN|TCP_FLAG_PSH)
@ -2615,7 +2615,6 @@ void tcp_simple_retransmit(struct sock *sk)
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *skb;
unsigned int mss = tcp_current_mss(sk);
u32 prior_lost = tp->lost_out;
tcp_for_write_queue(skb, sk) {
if (skb == tcp_send_head(sk))
@ -2632,7 +2631,7 @@ void tcp_simple_retransmit(struct sock *sk)
tcp_clear_retrans_hints_partial(tp);
if (prior_lost == tp->lost_out)
if (!tp->lost_out)
return;
if (tcp_is_reno(tp))

12
net/ipv4/tcp_offload.c
View File

@ -149,11 +149,19 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
* is freed by GSO engine
*/
if (copy_destructor) {
int delta;
swap(gso_skb->sk, skb->sk);
swap(gso_skb->destructor, skb->destructor);
sum_truesize += skb->truesize;
refcount_add(sum_truesize - gso_skb->truesize,
&skb->sk->sk_wmem_alloc);
delta = sum_truesize - gso_skb->truesize;
/* In some pathological cases, delta can be negative.
* We need to either use refcount_add() or refcount_sub_and_test()
*/
if (likely(delta >= 0))
refcount_add(delta, &skb->sk->sk_wmem_alloc);
else
WARN_ON_ONCE(refcount_sub_and_test(-delta, &skb->sk->sk_wmem_alloc));
}
delta = htonl(oldlen + (skb_tail_pointer(skb) -

24
net/l2tp/l2tp_ip.c
View File

@ -123,6 +123,7 @@ static int l2tp_ip_recv(struct sk_buff *skb)
unsigned char *ptr, *optr;
struct l2tp_session *session;
struct l2tp_tunnel *tunnel = NULL;
struct iphdr *iph;
int length;
if (!pskb_may_pull(skb, 4))
@ -178,24 +179,17 @@ pass_up:
goto discard;
tunnel_id = ntohl(*(__be32 *) &skb->data[4]);
tunnel = l2tp_tunnel_find(net, tunnel_id);
if (tunnel) {
sk = tunnel->sock;
sock_hold(sk);
} else {
struct iphdr *iph = (struct iphdr *) skb_network_header(skb);
iph = (struct iphdr *)skb_network_header(skb);
read_lock_bh(&l2tp_ip_lock);
sk = __l2tp_ip_bind_lookup(net, iph->daddr, iph->saddr,
inet_iif(skb), tunnel_id);
if (!sk) {
read_unlock_bh(&l2tp_ip_lock);
goto discard;
}
sock_hold(sk);
read_lock_bh(&l2tp_ip_lock);
sk = __l2tp_ip_bind_lookup(net, iph->daddr, iph->saddr, inet_iif(skb),
tunnel_id);
if (!sk) {
read_unlock_bh(&l2tp_ip_lock);
goto discard;
}
sock_hold(sk);
read_unlock_bh(&l2tp_ip_lock);
if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb))
goto discard_put;

24
net/l2tp/l2tp_ip6.c
View File

@ -136,6 +136,7 @@ static int l2tp_ip6_recv(struct sk_buff *skb)
unsigned char *ptr, *optr;
struct l2tp_session *session;
struct l2tp_tunnel *tunnel = NULL;
struct ipv6hdr *iph;
int length;
if (!pskb_may_pull(skb, 4))
@ -192,24 +193,17 @@ pass_up:
goto discard;
tunnel_id = ntohl(*(__be32 *) &skb->data[4]);
tunnel = l2tp_tunnel_find(net, tunnel_id);
if (tunnel) {
sk = tunnel->sock;
sock_hold(sk);
} else {
struct ipv6hdr *iph = ipv6_hdr(skb);
iph = ipv6_hdr(skb);
read_lock_bh(&l2tp_ip6_lock);
sk = __l2tp_ip6_bind_lookup(net, &iph->daddr, &iph->saddr,
inet6_iif(skb), tunnel_id);
if (!sk) {
read_unlock_bh(&l2tp_ip6_lock);
goto discard;
}
sock_hold(sk);
read_lock_bh(&l2tp_ip6_lock);
sk = __l2tp_ip6_bind_lookup(net, &iph->daddr, &iph->saddr,
inet6_iif(skb), tunnel_id);
if (!sk) {
read_unlock_bh(&l2tp_ip6_lock);
goto discard;
}
sock_hold(sk);
read_unlock_bh(&l2tp_ip6_lock);
if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb))
goto discard_put;

2
net/qrtr/qrtr.c
View File

@ -1085,7 +1085,7 @@ static int __init qrtr_proto_init(void)
return 0;
}
module_init(qrtr_proto_init);
postcore_initcall(qrtr_proto_init);
static void __exit qrtr_proto_fini(void)
{

10
net/rds/ib_recv.c
View File

@ -410,14 +410,14 @@ void rds_ib_recv_refill(struct rds_connection *conn, int prefill, gfp_t gfp)
break;
}
/* XXX when can this fail? */
ret = ib_post_recv(ic->i_cm_id->qp, &recv->r_wr, &failed_wr);
rdsdebug("recv %p ibinc %p page %p addr %lu ret %d\n", recv,
rdsdebug("recv %p ibinc %p page %p addr %lu\n", recv,
recv->r_ibinc, sg_page(&recv->r_frag->f_sg),
(long) ib_sg_dma_address(
ic->i_cm_id->device,
&recv->r_frag->f_sg),
ret);
&recv->r_frag->f_sg));
/* XXX when can this fail? */
ret = ib_post_recv(ic->i_cm_id->qp, &recv->r_wr, &failed_wr);
if (ret) {
rds_ib_conn_error(conn, "recv post on "
"%pI4 returned %d, disconnecting and "

2
net/sched/act_api.c
View File

@ -78,7 +78,6 @@ static void tcf_idr_remove(struct tcf_idrinfo *idrinfo, struct tc_action *p)
spin_lock_bh(&idrinfo->lock);
idr_remove_ext(&idrinfo->action_idr, p->tcfa_index);
spin_unlock_bh(&idrinfo->lock);
put_net(idrinfo->net);
gen_kill_estimator(&p->tcfa_rate_est);
free_tcf(p);
}
@ -337,7 +336,6 @@ err3:
p->idrinfo = idrinfo;
p->ops = ops;
INIT_LIST_HEAD(&p->list);
get_net(idrinfo->net);
*a = p;
return 0;
}

2
net/sched/act_bpf.c
View File

@ -398,7 +398,7 @@ static __net_init int bpf_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, bpf_net_id);
return tc_action_net_init(tn, &act_bpf_ops, net);
return tc_action_net_init(tn, &act_bpf_ops);
}
static void __net_exit bpf_exit_net(struct net *net)

2
net/sched/act_connmark.c
View File

@ -206,7 +206,7 @@ static __net_init int connmark_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, connmark_net_id);
return tc_action_net_init(tn, &act_connmark_ops, net);
return tc_action_net_init(tn, &act_connmark_ops);
}
static void __net_exit connmark_exit_net(struct net *net)

2
net/sched/act_csum.c
View File

@ -626,7 +626,7 @@ static __net_init int csum_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
return tc_action_net_init(tn, &act_csum_ops, net);
return tc_action_net_init(tn, &act_csum_ops);
}
static void __net_exit csum_exit_net(struct net *net)

2
net/sched/act_gact.c
View File

@ -232,7 +232,7 @@ static __net_init int gact_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
return tc_action_net_init(tn, &act_gact_ops, net);
return tc_action_net_init(tn, &act_gact_ops);
}
static void __net_exit gact_exit_net(struct net *net)

2
net/sched/act_ife.c
View File

@ -818,7 +818,7 @@ static __net_init int ife_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, ife_net_id);
return tc_action_net_init(tn, &act_ife_ops, net);
return tc_action_net_init(tn, &act_ife_ops);
}
static void __net_exit ife_exit_net(struct net *net)

4
net/sched/act_ipt.c
View File

@ -334,7 +334,7 @@ static __net_init int ipt_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, ipt_net_id);
return tc_action_net_init(tn, &act_ipt_ops, net);
return tc_action_net_init(tn, &act_ipt_ops);
}
static void __net_exit ipt_exit_net(struct net *net)
@ -384,7 +384,7 @@ static __net_init int xt_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, xt_net_id);
return tc_action_net_init(tn, &act_xt_ops, net);
return tc_action_net_init(tn, &act_xt_ops);
}
static void __net_exit xt_exit_net(struct net *net)

2
net/sched/act_mirred.c
View File

@ -343,7 +343,7 @@ static __net_init int mirred_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);
return tc_action_net_init(tn, &act_mirred_ops, net);
return tc_action_net_init(tn, &act_mirred_ops);
}
static void __net_exit mirred_exit_net(struct net *net)

2
net/sched/act_nat.c
View File

@ -307,7 +307,7 @@ static __net_init int nat_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, nat_net_id);
return tc_action_net_init(tn, &act_nat_ops, net);
return tc_action_net_init(tn, &act_nat_ops);
}
static void __net_exit nat_exit_net(struct net *net)

2
net/sched/act_pedit.c
View File

@ -450,7 +450,7 @@ static __net_init int pedit_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, pedit_net_id);
return tc_action_net_init(tn, &act_pedit_ops, net);
return tc_action_net_init(tn, &act_pedit_ops);
}
static void __net_exit pedit_exit_net(struct net *net)

2
net/sched/act_police.c
View File

@ -331,7 +331,7 @@ static __net_init int police_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, police_net_id);
return tc_action_net_init(tn, &act_police_ops, net);
return tc_action_net_init(tn, &act_police_ops);
}
static void __net_exit police_exit_net(struct net *net)

2
net/sched/act_sample.c
View File

@ -240,7 +240,7 @@ static __net_init int sample_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, sample_net_id);
return tc_action_net_init(tn, &act_sample_ops, net);
return tc_action_net_init(tn, &act_sample_ops);
}
static void __net_exit sample_exit_net(struct net *net)

2
net/sched/act_simple.c
View File

@ -201,7 +201,7 @@ static __net_init int simp_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, simp_net_id);
return tc_action_net_init(tn, &act_simp_ops, net);
return tc_action_net_init(tn, &act_simp_ops);
}
static void __net_exit simp_exit_net(struct net *net)

2
net/sched/act_skbedit.c
View File

@ -238,7 +238,7 @@ static __net_init int skbedit_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
return tc_action_net_init(tn, &act_skbedit_ops, net);
return tc_action_net_init(tn, &act_skbedit_ops);
}
static void __net_exit skbedit_exit_net(struct net *net)

2
net/sched/act_skbmod.c
View File

@ -263,7 +263,7 @@ static __net_init int skbmod_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, skbmod_net_id);
return tc_action_net_init(tn, &act_skbmod_ops, net);
return tc_action_net_init(tn, &act_skbmod_ops);
}
static void __net_exit skbmod_exit_net(struct net *net)

2
net/sched/act_tunnel_key.c
View File

@ -322,7 +322,7 @@ static __net_init int tunnel_key_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, tunnel_key_net_id);
return tc_action_net_init(tn, &act_tunnel_key_ops, net);
return tc_action_net_init(tn, &act_tunnel_key_ops);
}
static void __net_exit tunnel_key_exit_net(struct net *net)

2
net/sched/act_vlan.c
View File

@ -269,7 +269,7 @@ static __net_init int vlan_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, vlan_net_id);
return tc_action_net_init(tn, &act_vlan_ops, net);
return tc_action_net_init(tn, &act_vlan_ops);
}
static void __net_exit vlan_exit_net(struct net *net)

1
net/sched/cls_api.c
View File

@ -927,6 +927,7 @@ int tcf_exts_validate(struct net *net, struct tcf_proto *tp, struct nlattr **tb,
exts->actions[i++] = act;
exts->nr_actions = i;
}
exts->net = net;
}
#else
if ((exts->action && tb[exts->action]) ||

20
net/sched/cls_basic.c
View File

@ -85,16 +85,21 @@ static int basic_init(struct tcf_proto *tp)
return 0;
}
static void __basic_delete_filter(struct basic_filter *f)
{
tcf_exts_destroy(&f->exts);
tcf_em_tree_destroy(&f->ematches);
tcf_exts_put_net(&f->exts);
kfree(f);
}
static void basic_delete_filter_work(struct work_struct *work)
{
struct basic_filter *f = container_of(work, struct basic_filter, work);
rtnl_lock();
tcf_exts_destroy(&f->exts);
tcf_em_tree_destroy(&f->ematches);
__basic_delete_filter(f);
rtnl_unlock();
kfree(f);
}
static void basic_delete_filter(struct rcu_head *head)
@ -113,7 +118,10 @@ static void basic_destroy(struct tcf_proto *tp)
list_for_each_entry_safe(f, n, &head->flist, link) {
list_del_rcu(&f->link);
tcf_unbind_filter(tp, &f->res);
call_rcu(&f->rcu, basic_delete_filter);
if (tcf_exts_get_net(&f->exts))
call_rcu(&f->rcu, basic_delete_filter);
else
__basic_delete_filter(f);
}
kfree_rcu(head, rcu);
}
@ -125,6 +133,7 @@ static int basic_delete(struct tcf_proto *tp, void *arg, bool *last)
list_del_rcu(&f->link);
tcf_unbind_filter(tp, &f->res);
tcf_exts_get_net(&f->exts);
call_rcu(&f->rcu, basic_delete_filter);
*last = list_empty(&head->flist);
return 0;
@ -219,6 +228,7 @@ static int basic_change(struct net *net, struct sk_buff *in_skb,
if (fold) {
list_replace_rcu(&fold->link, &fnew->link);
tcf_unbind_filter(tp, &fold->res);
tcf_exts_get_net(&fold->exts);
call_rcu(&fold->rcu, basic_delete_filter);
} else {
list_add_rcu(&fnew->link, &head->flist);

7
net/sched/cls_bpf.c
View File

@ -249,6 +249,7 @@ static int cls_bpf_init(struct tcf_proto *tp)
static void __cls_bpf_delete_prog(struct cls_bpf_prog *prog)
{
tcf_exts_destroy(&prog->exts);
tcf_exts_put_net(&prog->exts);
if (cls_bpf_is_ebpf(prog))
bpf_prog_put(prog->filter);
@ -282,7 +283,10 @@ static void __cls_bpf_delete(struct tcf_proto *tp, struct cls_bpf_prog *prog)
cls_bpf_stop_offload(tp, prog);
list_del_rcu(&prog->link);
tcf_unbind_filter(tp, &prog->res);
call_rcu(&prog->rcu, cls_bpf_delete_prog_rcu);
if (tcf_exts_get_net(&prog->exts))
call_rcu(&prog->rcu, cls_bpf_delete_prog_rcu);
else
__cls_bpf_delete_prog(prog);
}
static int cls_bpf_delete(struct tcf_proto *tp, void *arg, bool *last)
@ -516,6 +520,7 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
if (oldprog) {
list_replace_rcu(&oldprog->link, &prog->link);
tcf_unbind_filter(tp, &oldprog->res);
tcf_exts_get_net(&oldprog->exts);
call_rcu(&oldprog->rcu, cls_bpf_delete_prog_rcu);
} else {
list_add_rcu(&prog->link, &head->plist);

24
net/sched/cls_cgroup.c
View File

@ -60,15 +60,21 @@ static const struct nla_policy cgroup_policy[TCA_CGROUP_MAX + 1] = {
[TCA_CGROUP_EMATCHES] = { .type = NLA_NESTED },
};
static void __cls_cgroup_destroy(struct cls_cgroup_head *head)
{
tcf_exts_destroy(&head->exts);
tcf_em_tree_destroy(&head->ematches);
tcf_exts_put_net(&head->exts);
kfree(head);
}
static void cls_cgroup_destroy_work(struct work_struct *work)
{
struct cls_cgroup_head *head = container_of(work,
struct cls_cgroup_head,
work);
rtnl_lock();
tcf_exts_destroy(&head->exts);
tcf_em_tree_destroy(&head->ematches);
kfree(head);
__cls_cgroup_destroy(head);
rtnl_unlock();
}
@ -124,8 +130,10 @@ static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb,
goto errout;
rcu_assign_pointer(tp->root, new);
if (head)
if (head) {
tcf_exts_get_net(&head->exts);
call_rcu(&head->rcu, cls_cgroup_destroy_rcu);
}
return 0;
errout:
tcf_exts_destroy(&new->exts);
@ -138,8 +146,12 @@ static void cls_cgroup_destroy(struct tcf_proto *tp)
struct cls_cgroup_head *head = rtnl_dereference(tp->root);
/* Head can still be NULL due to cls_cgroup_init(). */
if (head)
call_rcu(&head->rcu, cls_cgroup_destroy_rcu);
if (head) {
if (tcf_exts_get_net(&head->exts))
call_rcu(&head->rcu, cls_cgroup_destroy_rcu);
else
__cls_cgroup_destroy(head);
}
}
static int cls_cgroup_delete(struct tcf_proto *tp, void *arg, bool *last)

24
net/sched/cls_flow.c
View File

@ -372,15 +372,21 @@ static const struct nla_policy flow_policy[TCA_FLOW_MAX + 1] = {
[TCA_FLOW_PERTURB] = { .type = NLA_U32 },
};
static void __flow_destroy_filter(struct flow_filter *f)
{
del_timer_sync(&f->perturb_timer);
tcf_exts_destroy(&f->exts);
tcf_em_tree_destroy(&f->ematches);
tcf_exts_put_net(&f->exts);
kfree(f);
}
static void flow_destroy_filter_work(struct work_struct *work)
{
struct flow_filter *f = container_of(work, struct flow_filter, work);
rtnl_lock();
del_timer_sync(&f->perturb_timer);
tcf_exts_destroy(&f->exts);
tcf_em_tree_destroy(&f->ematches);
kfree(f);
__flow_destroy_filter(f);
rtnl_unlock();
}
@ -552,8 +558,10 @@ static int flow_change(struct net *net, struct sk_buff *in_skb,
*arg = fnew;
if (fold)
if (fold) {
tcf_exts_get_net(&fold->exts);
call_rcu(&fold->rcu, flow_destroy_filter);
}
return 0;
err2:
@ -570,6 +578,7 @@ static int flow_delete(struct tcf_proto *tp, void *arg, bool *last)
struct flow_filter *f = arg;
list_del_rcu(&f->list);
tcf_exts_get_net(&f->exts);
call_rcu(&f->rcu, flow_destroy_filter);
*last = list_empty(&head->filters);
return 0;
@ -594,7 +603,10 @@ static void flow_destroy(struct tcf_proto *tp)
list_for_each_entry_safe(f, next, &head->filters, list) {
list_del_rcu(&f->list);
call_rcu(&f->rcu, flow_destroy_filter);
if (tcf_exts_get_net(&f->exts))
call_rcu(&f->rcu, flow_destroy_filter);
else
__flow_destroy_filter(f);
}
kfree_rcu(head, rcu);
}

16
net/sched/cls_flower.c
View File

@ -218,13 +218,19 @@ static int fl_init(struct tcf_proto *tp)
return 0;
}
static void __fl_destroy_filter(struct cls_fl_filter *f)
{
tcf_exts_destroy(&f->exts);
tcf_exts_put_net(&f->exts);
kfree(f);
}
static void fl_destroy_filter_work(struct work_struct *work)
{
struct cls_fl_filter *f = container_of(work, struct cls_fl_filter, work);
rtnl_lock();
tcf_exts_destroy(&f->exts);
kfree(f);
__fl_destroy_filter(f);
rtnl_unlock();
}
@ -318,7 +324,10 @@ static void __fl_delete(struct tcf_proto *tp, struct cls_fl_filter *f)
if (!tc_skip_hw(f->flags))
fl_hw_destroy_filter(tp, f);
tcf_unbind_filter(tp, &f->res);
call_rcu(&f->rcu, fl_destroy_filter);
if (tcf_exts_get_net(&f->exts))
call_rcu(&f->rcu, fl_destroy_filter);
else
__fl_destroy_filter(f);
}
static void fl_destroy_sleepable(struct work_struct *work)
@ -988,6 +997,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
idr_replace_ext(&head->handle_idr, fnew, fnew->handle);
list_replace_rcu(&fold->list, &fnew->list);
tcf_unbind_filter(tp, &fold->res);
tcf_exts_get_net(&fold->exts);
call_rcu(&fold->rcu, fl_destroy_filter);
} else {
list_add_tail_rcu(&fnew->list, &head->filters);

17
net/sched/cls_fw.c
View File

@ -122,13 +122,19 @@ static int fw_init(struct tcf_proto *tp)
return 0;
}
static void __fw_delete_filter(struct fw_filter *f)
{
tcf_exts_destroy(&f->exts);
tcf_exts_put_net(&f->exts);
kfree(f);
}
static void fw_delete_filter_work(struct work_struct *work)
{
struct fw_filter *f = container_of(work, struct fw_filter, work);
rtnl_lock();
tcf_exts_destroy(&f->exts);
kfree(f);
__fw_delete_filter(f);
rtnl_unlock();
}
@ -154,7 +160,10 @@ static void fw_destroy(struct tcf_proto *tp)
RCU_INIT_POINTER(head->ht[h],
rtnl_dereference(f->next));
tcf_unbind_filter(tp, &f->res);
call_rcu(&f->rcu, fw_delete_filter);
if (tcf_exts_get_net(&f->exts))
call_rcu(&f->rcu, fw_delete_filter);
else
__fw_delete_filter(f);
}
}
kfree_rcu(head, rcu);
@ -179,6 +188,7 @@ static int fw_delete(struct tcf_proto *tp, void *arg, bool *last)
if (pfp == f) {
RCU_INIT_POINTER(*fp, rtnl_dereference(f->next));
tcf_unbind_filter(tp, &f->res);
tcf_exts_get_net(&f->exts);
call_rcu(&f->rcu, fw_delete_filter);
ret = 0;
break;
@ -299,6 +309,7 @@ static int fw_change(struct net *net, struct sk_buff *in_skb,
RCU_INIT_POINTER(fnew->next, rtnl_dereference(pfp->next));
rcu_assign_pointer(*fp, fnew);
tcf_unbind_filter(tp, &f->res);
tcf_exts_get_net(&f->exts);
call_rcu(&f->rcu, fw_delete_filter);
*arg = fnew;

15
net/sched/cls_matchall.c
View File

@ -44,13 +44,19 @@ static int mall_init(struct tcf_proto *tp)
return 0;
}
static void __mall_destroy(struct cls_mall_head *head)
{
tcf_exts_destroy(&head->exts);
tcf_exts_put_net(&head->exts);
kfree(head);
}
static void mall_destroy_work(struct work_struct *work)
{
struct cls_mall_head *head = container_of(work, struct cls_mall_head,
work);
rtnl_lock();
tcf_exts_destroy(&head->exts);
kfree(head);
__mall_destroy(head);
rtnl_unlock();
}
@ -109,7 +115,10 @@ static void mall_destroy(struct tcf_proto *tp)
if (tc_should_offload(dev, head->flags))
mall_destroy_hw_filter(tp, head, (unsigned long) head);
call_rcu(&head->rcu, mall_destroy_rcu);
if (tcf_exts_get_net(&head->exts))
call_rcu(&head->rcu, mall_destroy_rcu);
else
__mall_destroy(head);
}
static void *mall_get(struct tcf_proto *tp, u32 handle)

17
net/sched/cls_route.c
View File

@ -257,13 +257,19 @@ static int route4_init(struct tcf_proto *tp)
return 0;
}
static void __route4_delete_filter(struct route4_filter *f)
{
tcf_exts_destroy(&f->exts);
tcf_exts_put_net(&f->exts);
kfree(f);
}
static void route4_delete_filter_work(struct work_struct *work)
{
struct route4_filter *f = container_of(work, struct route4_filter, work);
rtnl_lock();
tcf_exts_destroy(&f->exts);
kfree(f);
__route4_delete_filter(f);
rtnl_unlock();
}
@ -297,7 +303,10 @@ static void route4_destroy(struct tcf_proto *tp)
next = rtnl_dereference(f->next);
RCU_INIT_POINTER(b->ht[h2], next);
tcf_unbind_filter(tp, &f->res);
call_rcu(&f->rcu, route4_delete_filter);
if (tcf_exts_get_net(&f->exts))
call_rcu(&f->rcu, route4_delete_filter);
else
__route4_delete_filter(f);
}
}
RCU_INIT_POINTER(head->table[h1], NULL);
@ -338,6 +347,7 @@ static int route4_delete(struct tcf_proto *tp, void *arg, bool *last)
/* Delete it */
tcf_unbind_filter(tp, &f->res);
tcf_exts_get_net(&f->exts);
call_rcu(&f->rcu, route4_delete_filter);
/* Strip RTNL protected tree */
@ -541,6 +551,7 @@ static int route4_change(struct net *net, struct sk_buff *in_skb,
*arg = f;
if (fold) {
tcf_unbind_filter(tp, &fold->res);
tcf_exts_get_net(&fold->exts);
call_rcu(&fold->rcu, route4_delete_filter);
}
return 0;

15
net/sched/cls_rsvp.h
View File

@ -285,13 +285,19 @@ static int rsvp_init(struct tcf_proto *tp)
return -ENOBUFS;
}
static void __rsvp_delete_filter(struct rsvp_filter *f)
{
tcf_exts_destroy(&f->exts);
tcf_exts_put_net(&f->exts);
kfree(f);
}
static void rsvp_delete_filter_work(struct work_struct *work)
{
struct rsvp_filter *f = container_of(work, struct rsvp_filter, work);
rtnl_lock();
tcf_exts_destroy(&f->exts);
kfree(f);
__rsvp_delete_filter(f);
rtnl_unlock();
}
@ -310,7 +316,10 @@ static void rsvp_delete_filter(struct tcf_proto *tp, struct rsvp_filter *f)
* grace period, since converted-to-rcu actions are relying on that
* in cleanup() callback
*/
call_rcu(&f->rcu, rsvp_delete_filter_rcu);
if (tcf_exts_get_net(&f->exts))
call_rcu(&f->rcu, rsvp_delete_filter_rcu);
else
__rsvp_delete_filter(f);
}
static void rsvp_destroy(struct tcf_proto *tp)

33
net/sched/cls_tcindex.c
View File

@ -139,13 +139,19 @@ static int tcindex_init(struct tcf_proto *tp)
return 0;
}
static void __tcindex_destroy_rexts(struct tcindex_filter_result *r)
{
tcf_exts_destroy(&r->exts);
tcf_exts_put_net(&r->exts);
}
static void tcindex_destroy_rexts_work(struct work_struct *work)
{
struct tcindex_filter_result *r;
r = container_of(work, struct tcindex_filter_result, work);
rtnl_lock();
tcf_exts_destroy(&r->exts);
__tcindex_destroy_rexts(r);
rtnl_unlock();
}
@ -158,14 +164,20 @@ static void tcindex_destroy_rexts(struct rcu_head *head)
tcf_queue_work(&r->work);
}
static void __tcindex_destroy_fexts(struct tcindex_filter *f)
{
tcf_exts_destroy(&f->result.exts);
tcf_exts_put_net(&f->result.exts);
kfree(f);
}
static void tcindex_destroy_fexts_work(struct work_struct *work)
{
struct tcindex_filter *f = container_of(work, struct tcindex_filter,
work);
rtnl_lock();
tcf_exts_destroy(&f->result.exts);
kfree(f);
__tcindex_destroy_fexts(f);
rtnl_unlock();
}
@ -210,10 +222,17 @@ found:
* grace period, since converted-to-rcu actions are relying on that
* in cleanup() callback
*/
if (f)
call_rcu(&f->rcu, tcindex_destroy_fexts);
else
call_rcu(&r->rcu, tcindex_destroy_rexts);
if (f) {
if (tcf_exts_get_net(&f->result.exts))
call_rcu(&f->rcu, tcindex_destroy_fexts);
else
__tcindex_destroy_fexts(f);
} else {
if (tcf_exts_get_net(&r->exts))
call_rcu(&r->rcu, tcindex_destroy_rexts);
else
__tcindex_destroy_rexts(r);
}
*last = false;
return 0;

8
net/sched/cls_u32.c
View File

@ -399,6 +399,7 @@ static int u32_destroy_key(struct tcf_proto *tp, struct tc_u_knode *n,
bool free_pf)
{
tcf_exts_destroy(&n->exts);
tcf_exts_put_net(&n->exts);
if (n->ht_down)
n->ht_down->refcnt--;
#ifdef CONFIG_CLS_U32_PERF
@ -476,6 +477,7 @@ static int u32_delete_key(struct tcf_proto *tp, struct tc_u_knode *key)
RCU_INIT_POINTER(*kp, key->next);
tcf_unbind_filter(tp, &key->res);
tcf_exts_get_net(&key->exts);
call_rcu(&key->rcu, u32_delete_key_freepf_rcu);
return 0;
}
@ -588,7 +590,10 @@ static void u32_clear_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht)
rtnl_dereference(n->next));
tcf_unbind_filter(tp, &n->res);
u32_remove_hw_knode(tp, n->handle);
call_rcu(&n->rcu, u32_delete_key_freepf_rcu);
if (tcf_exts_get_net(&n->exts))
call_rcu(&n->rcu, u32_delete_key_freepf_rcu);
else
u32_destroy_key(n->tp, n, true);
}
}
}
@ -949,6 +954,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
u32_replace_knode(tp, tp_c, new);
tcf_unbind_filter(tp, &n->res);
tcf_exts_get_net(&n->exts);
call_rcu(&n->rcu, u32_delete_key_rcu);
return 0;
}

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