Re: [PATCH RFC v7 03/14] vhost: use batched get_vq_desc version

2020-06-16 Thread Michael S. Tsirkin
On Tue, Jun 16, 2020 at 05:23:43PM +0200, Eugenio Perez Martin wrote: > On Mon, Jun 15, 2020 at 6:05 PM Eugenio Pérez wrote: > > > > On Thu, 2020-06-11 at 07:30 -0400, Michael S. Tsirkin wrote: > > > On Wed, Jun 10, 2020 at 06:18:32PM +0200, Eugenio Perez Martin wrote: > > > > On Wed, Jun 10,

Re: [PATCH RFC v7 03/14] vhost: use batched get_vq_desc version

2020-06-11 Thread Michael S. Tsirkin
On Wed, Jun 10, 2020 at 06:18:32PM +0200, Eugenio Perez Martin wrote: > On Wed, Jun 10, 2020 at 5:13 PM Michael S. Tsirkin wrote: > > > > On Wed, Jun 10, 2020 at 02:37:50PM +0200, Eugenio Perez Martin wrote: > > > > +/* This function returns a value > 0 if a descriptor was found, or 0 > > > > if

Re: [PATCH RFC v7 03/14] vhost: use batched get_vq_desc version

2020-06-10 Thread Michael S. Tsirkin
On Wed, Jun 10, 2020 at 02:37:50PM +0200, Eugenio Perez Martin wrote: > > +/* This function returns a value > 0 if a descriptor was found, or 0 if > > none were found. > > + * A negative code is returned on error. */ > > +static int fetch_descs(struct vhost_virtqueue *vq) > > +{ > > + int

Re: [PATCH RFC v7 03/14] vhost: use batched get_vq_desc version

2020-06-10 Thread Michael S. Tsirkin
On Wed, Jun 10, 2020 at 04:29:29PM +0200, Eugenio Pérez wrote: > On Wed, 2020-06-10 at 07:36 -0400, Michael S. Tsirkin wrote: > > As testing shows no performance change, switch to that now. > > > > Signed-off-by: Michael S. Tsirkin > > Signed-off-by: Eugenio Pérez > > Link:

[PATCH RFC v7 03/14] vhost: use batched get_vq_desc version

2020-06-10 Thread Michael S. Tsirkin
As testing shows no performance change, switch to that now. Signed-off-by: Michael S. Tsirkin Signed-off-by: Eugenio Pérez Link: https://lore.kernel.org/r/20200401183118.8334-3-epere...@redhat.com Signed-off-by: Michael S. Tsirkin --- drivers/vhost/test.c | 2 +- drivers/vhost/vhost.c |