On Fri, 2014-04-18 at 17:29 +0800, Qiang Huang wrote: > commit e4af376d04b0(drivers: hv: switch to use mb() instead of smp_mb()), > the adjustment mistakenly dropped the change in hv_ringbuffer_read, > so add it. > > Signed-off-by: Qiang Huang <[email protected]>
Thanks, I've added this to the queue. Ben. > --- > drivers/hv/ring_buffer.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c > index 810658e..d01edf3 100644 > --- a/drivers/hv/ring_buffer.c > +++ b/drivers/hv/ring_buffer.c > @@ -485,7 +485,7 @@ 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 */ > - smp_mb(); > + mb(); > > /* Update the read index */ > hv_set_next_read_location(inring_info, next_read_location); > -- 1.8.2.2 > -- Ben Hutchings Q. Which is the greater problem in the world today, ignorance or apathy? A. I don't know and I couldn't care less.
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