X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc64%2Flib%2Fdebuglocks.c;h=46e5ebfb4b7cebf749381cc4b1295dfd8cd4d3a8;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=9fb4dedc89e13934f84bf093bde4ca2145f01825;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/arch/sparc64/lib/debuglocks.c b/arch/sparc64/lib/debuglocks.c
index 9fb4dedc8..46e5ebfb4 100644
--- a/arch/sparc64/lib/debuglocks.c
+++ b/arch/sparc64/lib/debuglocks.c
@@ -172,6 +172,7 @@ void _do_read_unlock (rwlock_t *rw, char *str)
 runlock_again:
 	/* Spin trying to decrement the counter using casx.  */
 	__asm__ __volatile__(
+"	membar	#StoreLoad | #LoadLoad\n"
 "	ldx	[%0], %%g5\n"
 "	sub	%%g5, 1, %%g7\n"
 "	casx	[%0], %%g5, %%g7\n"
@@ -290,6 +291,7 @@ void _do_write_unlock(rwlock_t *rw)
 	current->thread.smp_lock_count--;
 wlock_again:
 	__asm__ __volatile__(
+"	membar	#StoreLoad | #LoadLoad\n"
 "	mov	1, %%g3\n"
 "	sllx	%%g3, 63, %%g3\n"
 "	ldx	[%0], %%g5\n"