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Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

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* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6:
  [PATCH] Use early clobber in semaphores
  [PATCH] Define vsyscall cache as blob to make clearer that user space shouldn't use it
  [PATCH] Re-positioning the bss segment
  [PATCH] Use ARRAY_SIZE in setup.c
  [PATCH] i386: replace intermediate array-size definitions with ARRAY_SIZE()
  [PATCH] x86: Clean up x86 NMI sysctls
  [PATCH] Refactor some duplicated code in mpparse.c
  [PATCH] Document iommu=panic
  [PATCH] Fix broken indentation in iommu_setup
  [PATCH] Allow disabling DAC using command line options
  [PATCH] Add proper sparse __user casts to __copy_to_user_inatomic
  [PATCH] i386: Update defconfig
  [PATCH] Update defconfig
This commit is contained in:
Linus Torvalds
2006-09-30 08:37:55 -07:00
parent bf60362566 c84ef53059
commit 369aa8395a
20 changed files with 151 additions and 105 deletions
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12
include/linux/getcpu.h
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@@ -1,16 +1,18 @@
#ifndef _LINUX_GETCPU_H
#define _LINUX_GETCPU_H 1
/* Cache for getcpu() to speed it up. Results might be upto a jiffie
/* Cache for getcpu() to speed it up. Results might be a short time
out of date, but will be faster.
User programs should not refer to the contents of this structure.
It is only a cache for vgetcpu(). It might change in future kernels.
I repeat they should not refer to it. If they do they will break
in future kernels.
It is only a private cache for vgetcpu(). It will change in future kernels.
The user program must store this information per thread (__thread)
If you want 100% accurate information pass NULL instead. */
struct getcpu_cache {
unsigned long t0;
unsigned long t1;
unsigned long res[4];
unsigned long blob[128 / sizeof(long)];
};
#endif