On Wed, Apr 23, 2014 at 11:44:49AM +0800, Qiang Huang wrote: > From: Jason Wang <jasowang@xxxxxxxxxx> > > commit 35848f68b07df3f917cb13fc3c134718669f569b upstream. > > Even if guest were compiled without SMP support, it could not assume that host > wasn't. So switch to use mb() instead of smp_mb() to force memory barriers for > UP guest. > > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> > Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> > Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > [bwh: Backported to 3.2: > - Drop changes to functions that don't exist here > - hv_ringbuffer_write() has only a write memory barrier] > Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> > [hq: Backported to 3.4: > - Add the change in hv_ringbuffer_read] > Signed-off-by: Qiang Huang <h.huangqiang@xxxxxxxxxx> > --- > drivers/hv/ring_buffer.c | 4 ++-- > drivers/hv/vmbus_drv.c | 2 +- > 2 files changed, 3 insertions(+), 3 deletions(-) Applied, thanks. greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html