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Commit 29384295 authored by Stephen Rothwell's avatar Stephen Rothwell Committed by Linus Torvalds
Browse files

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: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Acked-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent cbee4751

include/linux/compiler.h

+2 −0
Original line number Diff line number Diff line
@@ -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__