Messages in this thread | | | Date | Mon, 30 Nov 2015 11:13:17 -0500 (EST) | Subject | Re: [PATCH] vhost: replace % with & on data path | From | David Miller <> |
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From: "Michael S. Tsirkin" <mst@redhat.com> Date: Mon, 30 Nov 2015 10:34:07 +0200
> We know vring num is a power of 2, so use & > to mask the high bits. > > Signed-off-by: Michael S. Tsirkin <mst@redhat.com> > --- > drivers/vhost/vhost.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c > index 080422f..85f0f0a 100644 > --- a/drivers/vhost/vhost.c > +++ b/drivers/vhost/vhost.c > @@ -1366,10 +1366,12 @@ int vhost_get_vq_desc(struct vhost_virtqueue *vq, > /* Only get avail ring entries after they have been exposed by guest. */ > smp_rmb(); > > + } > +
!!!
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