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authorMatthew Wilcox <[email protected]>2018-07-11 14:02:20 -0700
committerDominique Martinet <[email protected]>2018-08-13 09:21:44 +0900
commit2d58f63f72f28ba297a9ae344a5b5f0cf75bcd94 (patch)
tree736a539f4849260bf74f6c1d83817851443de068
parent7913690dcc5e18e235769fd87c34143072f5dbea (diff)
9p: Fix comment on smp_wmb
The previous comment misled me into thinking the barrier wasn't needed at all. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Matthew Wilcox <[email protected]> Reviewed-by: Greg Kurz <[email protected]> Cc: Eric Van Hensbergen <[email protected]> Cc: Ron Minnich <[email protected]> Cc: Latchesar Ionkov <[email protected]> Signed-off-by: Dominique Martinet <[email protected]>
-rw-r--r--net/9p/client.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index dd461c718cf9..cae1fb43bd16 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -448,7 +448,7 @@ void p9_client_cb(struct p9_client *c, struct p9_req_t *req, int status)
/*
* This barrier is needed to make sure any change made to req before
- * the other thread wakes up will indeed be seen by the waiting side.
+ * the status change is visible to another thread
*/
smp_wmb();
req->status = status;