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| author | K. Y. Srinivasan <kys@microsoft.com> | 2011-06-06 15:49:51 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-06-07 13:45:55 -0700 |
| commit | ef0d5b23022e207e9f367de52f4172daab3ac690 (patch) | |
| tree | c30f8a7c81d32e75956d18489a0b9d011e5fa489 /drivers/staging/hv/ring_buffer.c | |
| parent | ac4accb2bd619380c2404f9064e91f48674c6eb8 (diff) | |
| download | op-kernel-dev-ef0d5b23022e207e9f367de52f4172daab3ac690.zip op-kernel-dev-ef0d5b23022e207e9f367de52f4172daab3ac690.tar.gz | |
Staging: hv: vmbus: Fix the memory barrier in hv_ringbuffer_read()
Use the correct barrier interface.
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>
Diffstat (limited to 'drivers/staging/hv/ring_buffer.c')
| -rw-r--r-- | drivers/staging/hv/ring_buffer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/hv/ring_buffer.c b/drivers/staging/hv/ring_buffer.c index 3da3330..932af1a 100644 --- a/drivers/staging/hv/ring_buffer.c +++ b/drivers/staging/hv/ring_buffer.c @@ -513,7 +513,7 @@ int hv_ringbuffer_read(struct hv_ring_buffer_info *inring_info, void *buffer, /* Make sure all reads are done before we update the read index since */ /* the writer may start writing to the read area once the read index */ /*is updated */ - mb(); + smp_mb(); /* Update the read index */ hv_set_next_read_location(inring_info, next_read_location); |
