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
>
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