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authorK. Y. Srinivasan <kys@microsoft.com>2011-06-06 15:49:53 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2011-06-07 13:45:56 -0700
commite690b5a9be26965543b7252492ed22052af960b6 (patch)
treec6930a22f63db41c1a63236959c9203177d3651b
parentdf2a4a711478f5fc28b3ac85f07e191591e31eb0 (diff)
Staging: hv: vmbus: Change the memory barrier in hv_ringbuffer_write()
Use the correct memory barrier interface in Change the memory barrier in hv_ringbuffer_write(). Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Abhishek Kane <v-abkane@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/staging/hv/ring_buffer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/hv/ring_buffer.c b/drivers/staging/hv/ring_buffer.c
index 8b625533fe43..42f76728429a 100644
--- a/drivers/staging/hv/ring_buffer.c
+++ b/drivers/staging/hv/ring_buffer.c
@@ -413,7 +413,7 @@ int hv_ringbuffer_write(struct hv_ring_buffer_info *outring_info,
sizeof(u64));
/* Make sure we flush all writes before updating the writeIndex */
- mb();
+ smp_wmb();
/* Now, update the write location */
hv_set_next_write_location(outring_info, next_write_location);