On Tue, 14 Mar 2017 11:01:40 +0800 Jason Wang <jasow...@redhat.com> wrote:
> To avoid access stale memory region cache after reset, this patch > check the existence of virtqueue pfn for all exported virtqueue access > helpers before trying to use them. > > Cc: Cornelia Huck <cornelia.h...@de.ibm.com> > Cc: Paolo Bonzini <pbonz...@redhat.com> > Signed-off-by: Jason Wang <jasow...@redhat.com> > --- > Changes from V2: > - return 1 instead of 0 for virtio_queue_empty_*(), and return as > early as possible > --- > hw/virtio/virtio.c | 26 ++++++++++++++++++++++++++ > 1 file changed, 26 insertions(+) Reviewed-by: Cornelia Huck <cornelia.h...@de.ibm.com>
