diff options
| author | Dave Airlie <airlied@redhat.com> | 2014-12-02 01:58:33 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-12-02 01:58:33 +0100 |
| commit | e8115e79aa62b6ebdb3e8e61ca4092cc32938afc (patch) | |
| tree | 42b791ab54ef9d5c73dcd49f907b8b37fa2f7e19 /arch/x86/kernel/smpboot.c | |
| parent | Merge tag 'topic/core-stuff-2014-11-28' of git://anongit.freedesktop.org/drm-... (diff) | |
| parent | Linux 3.18-rc7 (diff) | |
| download | linux-e8115e79aa62b6ebdb3e8e61ca4092cc32938afc.tar.xz linux-e8115e79aa62b6ebdb3e8e61ca4092cc32938afc.zip | |
Merge tag 'v3.18-rc7' into drm-next
This fixes a bunch of conflicts prior to merging i915 tree.
Linux 3.18-rc7
Conflicts:
drivers/gpu/drm/exynos/exynos_drm_drv.c
drivers/gpu/drm/i915/i915_drv.c
drivers/gpu/drm/i915/intel_pm.c
drivers/gpu/drm/tegra/dc.c
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 4d2128ac70bd..668d8f2a8781 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1303,10 +1303,14 @@ static void __ref remove_cpu_from_maps(int cpu) numa_remove_cpu(cpu); } +static DEFINE_PER_CPU(struct completion, die_complete); + void cpu_disable_common(void) { int cpu = smp_processor_id(); + init_completion(&per_cpu(die_complete, smp_processor_id())); + remove_siblinginfo(cpu); /* It's now safe to remove this processor from the online map */ @@ -1316,8 +1320,6 @@ void cpu_disable_common(void) fixup_irqs(); } -static DEFINE_PER_CPU(struct completion, die_complete); - int native_cpu_disable(void) { int ret; @@ -1327,16 +1329,21 @@ int native_cpu_disable(void) return ret; clear_local_APIC(); - init_completion(&per_cpu(die_complete, smp_processor_id())); cpu_disable_common(); return 0; } +void cpu_die_common(unsigned int cpu) +{ + wait_for_completion_timeout(&per_cpu(die_complete, cpu), HZ); +} + void native_cpu_die(unsigned int cpu) { /* We don't do anything here: idle task is faking death itself. */ - wait_for_completion_timeout(&per_cpu(die_complete, cpu), HZ); + + cpu_die_common(cpu); /* They ack this in play_dead() by setting CPU_DEAD */ if (per_cpu(cpu_state, cpu) == CPU_DEAD) { |