xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'x86-percpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'x86-percpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, percpu: Collect hot percpu variables into one cacheline
  x86, percpu: Fix DECLARE/DEFINE_PER_CPU_PAGE_ALIGNED()
  x86, percpu: Add 'percpu_read_stable()' interface for cacheable accesses
This commit is contained in:
Linus Torvalds
2009-09-14 08:01:28 -07:00
parent 7dfd54a905 bdf977b374
commit 55e0715f61
7 changed files with 40 additions and 22 deletions
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2
arch/x86/include/asm/thread_info.h
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@@ -214,7 +214,7 @@ DECLARE_PER_CPU(unsigned long, kernel_stack);
static inline struct thread_info *current_thread_info(void)
{
struct thread_info *ti;
ti = (void *)(percpu_read(kernel_stack) +
ti = (void *)(percpu_read_stable(kernel_stack) +
KERNEL_STACK_OFFSET - THREAD_SIZE);
return ti;
}