Messages in this thread | | | From | Jason Wang <> | Date | Thu, 28 Mar 2024 11:54:56 +0800 | Subject | Re: [PATCH v3 3/3] vhost: Improve vhost_get_avail_idx() with smp_rmb() |
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On Thu, Mar 28, 2024 at 8:22 AM Gavin Shan <gshan@redhat.com> wrote: > > All the callers of vhost_get_avail_idx() are concerned to the memory > barrier, imposed by smp_rmb() to ensure the order of the available > ring entry read and avail_idx read. > > Improve vhost_get_avail_idx() so that smp_rmb() is executed when > the avail_idx is advanced. With it, the callers needn't to worry > about the memory barrier. > > Suggested-by: Michael S. Tsirkin <mst@redhat.com> > Signed-off-by: Gavin Shan <gshan@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Thanks
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