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path: root/drivers/misc/sgi-xp/xpc_uv.c
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Diffstat (limited to 'drivers/misc/sgi-xp/xpc_uv.c')
-rw-r--r--drivers/misc/sgi-xp/xpc_uv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c
index 91a55b1b103..f17f7d40ea2 100644
--- a/drivers/misc/sgi-xp/xpc_uv.c
+++ b/drivers/misc/sgi-xp/xpc_uv.c
@@ -1423,7 +1423,7 @@ xpc_send_payload_uv(struct xpc_channel *ch, u32 flags, void *payload,
atomic_inc(&ch->n_to_notify);
msg_slot->key = key;
- wmb(); /* a non-NULL func must hit memory after the key */
+ smp_wmb(); /* a non-NULL func must hit memory after the key */
msg_slot->func = func;
if (ch->flags & XPC_C_DISCONNECTING) {