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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.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c
index 91a55b1b103..29c0502a96b 100644
--- a/drivers/misc/sgi-xp/xpc_uv.c
+++ b/drivers/misc/sgi-xp/xpc_uv.c
@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2008-2009 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
@@ -1010,8 +1010,8 @@ xpc_allocate_recv_msg_slot_uv(struct xpc_channel *ch)
continue;
for (entry = 0; entry < nentries; entry++) {
- msg_slot = ch_uv->recv_msg_slots + entry *
- ch->entry_size;
+ msg_slot = ch_uv->recv_msg_slots +
+ entry * ch->entry_size;
msg_slot->hdr.msg_slot_number = entry;
}
@@ -1308,9 +1308,8 @@ xpc_handle_notify_mq_msg_uv(struct xpc_partition *part,
/* we're dealing with a normal message sent via the notify_mq */
ch_uv = &ch->sn.uv;
- msg_slot = (struct xpc_notify_mq_msg_uv *)((u64)ch_uv->recv_msg_slots +
- (msg->hdr.msg_slot_number % ch->remote_nentries) *
- ch->entry_size);
+ msg_slot = ch_uv->recv_msg_slots +
+ (msg->hdr.msg_slot_number % ch->remote_nentries) * ch->entry_size;
BUG_ON(msg->hdr.msg_slot_number != msg_slot->hdr.msg_slot_number);
BUG_ON(msg_slot->hdr.size != 0);
@@ -1423,7 +1422,7 @@ 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) {