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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2010-02-05 16:09:11 +1100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-05 07:35:05 -0800 |
| commit | 2938429501b73f6aeb312236eac7ed0416a07cd5 (patch) | |
| tree | 59d92b0d2a5063fa8c93216750f83d1fe3822a2c | |
| parent | cbee4751f612692c1de3b8e420ebcb0fb16c7c56 (diff) | |
| download | linux-3.10-2938429501b73f6aeb312236eac7ed0416a07cd5.tar.gz linux-3.10-2938429501b73f6aeb312236eac7ed0416a07cd5.tar.bz2 linux-3.10-2938429501b73f6aeb312236eac7ed0416a07cd5.zip | |
percpu: add __percpu for sparse
This is to make the annotation of percpu variables during the next merge
window less painfull.
Extracted from a patch by Rusty Russell.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/compiler.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 5be3dab4a69..188fcae10a9 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -15,6 +15,7 @@ # define __acquire(x) __context__(x,1) # define __release(x) __context__(x,-1) # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0) +# define __percpu __attribute__((noderef, address_space(3))) extern void __chk_user_ptr(const volatile void __user *); extern void __chk_io_ptr(const volatile void __iomem *); #else @@ -32,6 +33,7 @@ extern void __chk_io_ptr(const volatile void __iomem *); # define __acquire(x) (void)0 # define __release(x) (void)0 # define __cond_lock(x,c) (c) +# define __percpu #endif #ifdef __KERNEL__ |