diff options
Diffstat (limited to 'arch/sparc64/lib/rwsem.S')
| -rw-r--r-- | arch/sparc64/lib/rwsem.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc64/lib/rwsem.S b/arch/sparc64/lib/rwsem.S index 91a7d29a79d5..1a4cc5654de4 100644 --- a/arch/sparc64/lib/rwsem.S +++ b/arch/sparc64/lib/rwsem.S @@ -17,6 +17,7 @@ __down_read: bne,pn %icc, 1b add %g7, 1, %g7 cmp %g7, 0 + membar #StoreLoad | #StoreStore bl,pn %icc, 3f nop 2: @@ -41,6 +42,7 @@ __down_read_trylock: cmp %g1, %g7 bne,pn %icc, 1b mov 1, %o1 + membar #StoreLoad | #StoreStore 2: retl mov %o1, %o0 .size __down_read_trylock, .-__down_read_trylock @@ -56,6 +58,7 @@ __down_write: cmp %g3, %g7 bne,pn %icc, 1b cmp %g7, 0 + membar #StoreLoad | #StoreStore bne,pn %icc, 3f nop 2: retl @@ -82,6 +85,7 @@ __down_write_trylock: cmp %g3, %g7 bne,pn %icc, 1b mov 1, %o1 + membar #StoreLoad | #StoreStore 2: retl mov %o1, %o0 .size __down_write_trylock, .-__down_write_trylock @@ -95,6 +99,7 @@ __up_read: cmp %g1, %g7 bne,pn %icc, 1b cmp %g7, 0 + membar #StoreLoad | #StoreStore bl,pn %icc, 3f nop 2: retl @@ -124,6 +129,7 @@ __up_write: bne,pn %icc, 1b sub %g7, %g1, %g7 cmp %g7, 0 + membar #StoreLoad | #StoreStore bl,pn %icc, 3f nop 2: @@ -149,6 +155,7 @@ __downgrade_write: bne,pn %icc, 1b sub %g7, %g1, %g7 cmp %g7, 0 + membar #StoreLoad | #StoreStore bl,pn %icc, 3f nop 2: |