On Mon, 2017-08-21 at 22:45 +0300, Michael S. Tsirkin wrote:
> On Sat, Aug 19, 2017 at 03:41:14PM +0900, Koichiro Den wrote:
> > Signed-off-by: Koichiro Den <den@xxxxxxxxxxxxx>
> > ---
> > drivers/vhost/vhost.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
> > index e4613a3c362d..93e909afc1c3 100644
> > --- a/drivers/vhost/vhost.c
> > +++ b/drivers/vhost/vhost.c
> > @@ -1184,7 +1184,7 @@ static int iotlb_access_ok(struct vhost_virtqueue *vq,
> > while (len > s) {
> > node = vhost_umem_interval_tree_iter_first(&umem-
> > >umem_tree,
> > addr,
> > - addr + len - 1);
> > + addr + len - s -
> > 1);
> > if (node == NULL || node->start > addr) {
> > vhost_iotlb_miss(vq, addr, access);
> > return false;
>
> This works but it probably makes sense to just refactor the code to make end
> of
> range a variable. I posted a patch like this, pls take a look.
>
> > --
> > 2.9.4
> >
Ok, thanks.
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