diff options
Diffstat (limited to 'include/asm-sparc64/rwsem.h')
| -rw-r--r-- | include/asm-sparc64/rwsem.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-sparc64/rwsem.h b/include/asm-sparc64/rwsem.h index bf2ae90ed3d..a1cc94f9598 100644 --- a/include/asm-sparc64/rwsem.h +++ b/include/asm-sparc64/rwsem.h @@ -55,8 +55,9 @@ static __inline__ int rwsem_atomic_update(int delta, struct rw_semaphore *sem) "add %%g1, %1, %%g7\n\t" "cas [%2], %%g1, %%g7\n\t" "cmp %%g1, %%g7\n\t" + "membar #StoreLoad | #StoreStore\n\t" "bne,pn %%icc, 1b\n\t" - " membar #StoreLoad | #StoreStore\n\t" + " nop\n\t" "mov %%g7, %0\n\t" : "=&r" (tmp) : "0" (tmp), "r" (sem) |