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authorTakashi Iwai <tiwai@suse.de>2017-10-05 15:08:57 +0200
committerTakashi Iwai <tiwai@suse.de>2017-10-05 15:08:57 +0200
commit3a9fce327ff9cabf7f89d3f20616a83af28393da (patch)
treec516d3e7023e7fe2dc8d4cf60e2ec03f3c9b5958 /arch/x86/include/asm/rwsem.h
parente195a331c4124a6527e5e1b6fbd93a6b4a984d7b (diff)
parent394ca81cb4c1518e9463fe342fb1ae8a9f46a82d (diff)
Merge branch 'topic/timer-api' into for-next
Diffstat (limited to 'arch/x86/include/asm/rwsem.h')
-rw-r--r--arch/x86/include/asm/rwsem.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h
index a34e0d4b957d..7116b7931c7b 100644
--- a/arch/x86/include/asm/rwsem.h
+++ b/arch/x86/include/asm/rwsem.h
@@ -103,7 +103,6 @@ static inline bool __down_read_trylock(struct rw_semaphore *sem)
({ \
long tmp; \
struct rw_semaphore* ret; \
- register void *__sp asm(_ASM_SP); \
\
asm volatile("# beginning down_write\n\t" \
LOCK_PREFIX " xadd %1,(%4)\n\t" \
@@ -114,7 +113,8 @@ static inline bool __down_read_trylock(struct rw_semaphore *sem)
" call " slow_path "\n" \
"1:\n" \
"# ending down_write" \
- : "+m" (sem->count), "=d" (tmp), "=a" (ret), "+r" (__sp) \
+ : "+m" (sem->count), "=d" (tmp), \
+ "=a" (ret), ASM_CALL_CONSTRAINT \
: "a" (sem), "1" (RWSEM_ACTIVE_WRITE_BIAS) \
: "memory", "cc"); \
ret; \