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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>
This commit is contained in:
K. Y. Srinivasan 2011-06-06 15:49:53 -07:00 committed by Greg Kroah-Hartman
parent df2a4a7114
commit e690b5a9be
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/hv/ring_buffer.c
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@ -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);