mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-11 23:56:50 +07:00
x86, asm: Use CC_SET()/CC_OUT() in <asm/rwsem.h>
Remove open-coded uses of set instructions to use CC_SET()/CC_OUT() in <asm/rwsem.h>. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Link: http://lkml.kernel.org/r/1465414726-197858-9-git-send-email-hpa@linux.intel.com Reviewed-by: Andy Lutomirski <luto@kernel.org> Reviewed-by: Borislav Petkov <bp@suse.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
This commit is contained in:
parent
64be6d36f5
commit
35ccfb7114
@ -149,10 +149,10 @@ static inline bool __down_write_trylock(struct rw_semaphore *sem)
|
|||||||
LOCK_PREFIX " cmpxchg %2,%0\n\t"
|
LOCK_PREFIX " cmpxchg %2,%0\n\t"
|
||||||
" jnz 1b\n\t"
|
" jnz 1b\n\t"
|
||||||
"2:\n\t"
|
"2:\n\t"
|
||||||
" sete %3\n\t"
|
CC_SET(e)
|
||||||
"# ending __down_write_trylock\n\t"
|
"# ending __down_write_trylock\n\t"
|
||||||
: "+m" (sem->count), "=&a" (tmp0), "=&r" (tmp1),
|
: "+m" (sem->count), "=&a" (tmp0), "=&r" (tmp1),
|
||||||
"=qm" (result)
|
CC_OUT(e) (result)
|
||||||
: "er" (RWSEM_ACTIVE_WRITE_BIAS)
|
: "er" (RWSEM_ACTIVE_WRITE_BIAS)
|
||||||
: "memory", "cc");
|
: "memory", "cc");
|
||||||
return result;
|
return result;
|
||||||
|
Loading…
Reference in New Issue
Block a user