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sparc32: make the first argument of __cmpxchg_u64() volatile u64 *

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... to match all cmpxchg variants.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Al Viro 2024-04-01 22:07:58 -04:00 committed by Paul E. McKenney
parent 2f528020a2
commit b7e2a6389e
2 changed files with 2 additions and 2 deletions
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2
arch/sparc/include/asm/cmpxchg_32.h
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@ -63,7 +63,7 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size)
(unsigned long)_n_, sizeof(*(ptr))); \
})
u64 __cmpxchg_u64(u64 *ptr, u64 old, u64 new);
u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new);
#define arch_cmpxchg64(ptr, old, new) __cmpxchg_u64(ptr, old, new)
#include <asm-generic/cmpxchg-local.h>

2
arch/sparc/lib/atomic32.c
View File

@ -173,7 +173,7 @@ u32 __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new)
}
EXPORT_SYMBOL(__cmpxchg_u32);
u64 __cmpxchg_u64(u64 *ptr, u64 old, u64 new)
u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new)
{
unsigned long flags;
u64 prev;