similar to: [PULL resend] virtio: bugfix

The vq->vq.num_free hasn't been changed when error happens, so it shouldn't be changed when handling the error. Fixes: 780bc7903a32 ("virtio_ring: Support DMA APIs") Cc: Andy Lutomirski <luto at kernel.org> Cc: Michael S. Tsirkin <mst at redhat.com> Cc: stable at vger.kernel.org Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> ---

On 2019/10/24 ??11:26, Liu, Yong wrote: > >> -----Original Message----- >> From: Jason Wang [mailto:jasowang at redhat.com] >> Sent: Tuesday, October 22, 2019 9:06 PM >> To: Liu, Yong <yong.liu at intel.com>; mst at redhat.com; Bie, Tiwei >> <tiwei.bie at intel.com> >> Cc: virtualization at lists.linux-foundation.org >> Subject: Re: [PATCH]

On Wed, Nov 07, 2018 at 12:48:46PM -0500, Michael S. Tsirkin wrote: > On Wed, Jul 11, 2018 at 10:27:09AM +0800, Tiwei Bie wrote: > > This commit introduces the support (without EVENT_IDX) for > > packed ring. > > > > Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> > > --- > > drivers/virtio/virtio_ring.c | 495 ++++++++++++++++++++++++++++++++++-

On 2018?04?23? 17:29, Tiwei Bie wrote: > On Mon, Apr 23, 2018 at 01:42:14PM +0800, Jason Wang wrote: >> On 2018?04?01? 22:12, Tiwei Bie wrote: >>> Hello everyone, >>> >>> This RFC implements packed ring support for virtio driver. >>> >>> The code was tested with DPDK vhost (testpmd/vhost-PMD) implemented >>> by Jens at

On Tue, Apr 24, 2018 at 04:05:07AM +0300, Michael S. Tsirkin wrote: > On Tue, Apr 24, 2018 at 08:54:52AM +0800, Jason Wang wrote: > > > > > > On 2018?04?23? 17:29, Tiwei Bie wrote: > > > On Mon, Apr 23, 2018 at 01:42:14PM +0800, Jason Wang wrote: > > > > On 2018?04?01? 22:12, Tiwei Bie wrote: > > > > > Hello everyone, > > > >

The following changes since commit 49a57857aeea06ca831043acbb0fa5e0f50602fd: Linux 5.0-rc3 (2019-01-21 13:14:44 +1300) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git tags/for_linus for you to fetch changes up to 9c0644ee4aa8792f1e60a2b014b4710faaddafeb: virtio: drop internal struct from UAPI (2019-02-05 15:29:48 -0500)

On 2019/10/22 ??2:48, Liu, Yong wrote: > Hi Jason, > My answers are inline. > >> -----Original Message----- >> From: Jason Wang [mailto:jasowang at redhat.com] >> Sent: Tuesday, October 22, 2019 10:45 AM >> To: Liu, Yong <yong.liu at intel.com>; mst at redhat.com; Bie, Tiwei >> <tiwei.bie at intel.com> >> Cc: virtualization at

On 2018/11/8 ??11:56, Michael S. Tsirkin wrote: > On Thu, Nov 08, 2018 at 07:51:48PM +0800, Tiwei Bie wrote: >> On Thu, Nov 08, 2018 at 04:18:25PM +0800, Jason Wang wrote: >>> On 2018/11/8 ??9:38, Tiwei Bie wrote: >>>>>> + >>>>>> + if (vq->vq.num_free < descs_used) { >>>>>> + pr_debug("Can't add buf len %i -

On Tue, May 29, 2018 at 10:49:11AM +0800, Jason Wang wrote: > On 2018?05?22? 16:16, Tiwei Bie wrote: > > This commit introduces the support for creating packed ring. > > All split ring specific functions are added _split suffix. > > Some necessary stubs for packed ring are also added. > > > > Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> > > ---

Hope this can still make it. I was not sure about virtio-net change but it seems that it prevents livelocks for some people. The following changes since commit 089cf7f6ecb266b6a4164919a2e69bd2f938374a: Linux 5.3-rc7 (2019-09-02 09:57:40 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git tags/for_linus for you to fetch changes up to

On Fri, Nov 09, 2018 at 10:30:50AM +0800, Jason Wang wrote: > > On 2018/11/8 ??11:56, Michael S. Tsirkin wrote: > > On Thu, Nov 08, 2018 at 07:51:48PM +0800, Tiwei Bie wrote: > > > On Thu, Nov 08, 2018 at 04:18:25PM +0800, Jason Wang wrote: > > > > On 2018/11/8 ??9:38, Tiwei Bie wrote: > > > > > > > + > > > > > > > + if

On 2018?05?16? 16:37, Tiwei Bie wrote: > This commit introduces the basic support (without EVENT_IDX) > for packed ring. > > Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> > --- > drivers/virtio/virtio_ring.c | 491 ++++++++++++++++++++++++++++++++++- > 1 file changed, 481 insertions(+), 10 deletions(-) > > diff --git a/drivers/virtio/virtio_ring.c

On 2018?05?16? 16:37, Tiwei Bie wrote: > This commit introduces the basic support (without EVENT_IDX) > for packed ring. > > Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> > --- > drivers/virtio/virtio_ring.c | 491 ++++++++++++++++++++++++++++++++++- > 1 file changed, 481 insertions(+), 10 deletions(-) > > diff --git a/drivers/virtio/virtio_ring.c

On Tue, Apr 24, 2018 at 09:16:38AM +0800, Tiwei Bie wrote: > On Tue, Apr 24, 2018 at 04:05:07AM +0300, Michael S. Tsirkin wrote: > > On Tue, Apr 24, 2018 at 08:54:52AM +0800, Jason Wang wrote: > > > > > > > > > On 2018?04?23? 17:29, Tiwei Bie wrote: > > > > On Mon, Apr 23, 2018 at 01:42:14PM +0800, Jason Wang wrote: > > > > > On

On Tue, Apr 24, 2018 at 09:16:38AM +0800, Tiwei Bie wrote: > On Tue, Apr 24, 2018 at 04:05:07AM +0300, Michael S. Tsirkin wrote: > > On Tue, Apr 24, 2018 at 08:54:52AM +0800, Jason Wang wrote: > > > > > > > > > On 2018?04?23? 17:29, Tiwei Bie wrote: > > > > On Mon, Apr 23, 2018 at 01:42:14PM +0800, Jason Wang wrote: > > > > > On

On 2018?04?01? 22:12, Tiwei Bie wrote: > Hello everyone, > > This RFC implements packed ring support for virtio driver. > > The code was tested with DPDK vhost (testpmd/vhost-PMD) implemented > by Jens at http://dpdk.org/ml/archives/dev/2018-January/089417.html > Minor changes are needed for the vhost code, e.g. to kick the guest. > > TODO: > - Refinements and bug

Page hints are reworked - I dropped them for now. The following changes since commit 29dcea88779c856c7dc92040a0c01233263101d4: Linux 4.17 (2018-06-03 14:15:21 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git tags/for_linus for you to fetch changes up to 2eb98105f8c7f4b867f7f714a998f5b8c1bb009b: virtio: update the comments for

On Fri, Mar 16, 2018 at 02:44:12PM +0800, Jason Wang wrote: > On 2018?03?16? 14:10, Tiwei Bie wrote: > > On Fri, Mar 16, 2018 at 12:03:25PM +0800, Jason Wang wrote: > > > On 2018?02?23? 19:18, Tiwei Bie wrote: > > > > Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> > > > > --- > > > > drivers/virtio/virtio_ring.c | 699

On Fri, Mar 16, 2018 at 04:34:28PM +0800, Jason Wang wrote: > On 2018?03?16? 15:40, Tiwei Bie wrote: > > On Fri, Mar 16, 2018 at 02:44:12PM +0800, Jason Wang wrote: > > > On 2018?03?16? 14:10, Tiwei Bie wrote: > > > > On Fri, Mar 16, 2018 at 12:03:25PM +0800, Jason Wang wrote: > > > > > On 2018?02?23? 19:18, Tiwei Bie wrote: > > > > >

On Thu, Nov 08, 2018 at 07:51:48PM +0800, Tiwei Bie wrote: > On Thu, Nov 08, 2018 at 04:18:25PM +0800, Jason Wang wrote: > > > > On 2018/11/8 ??9:38, Tiwei Bie wrote: > > > > > + > > > > > + if (vq->vq.num_free < descs_used) { > > > > > + pr_debug("Can't add buf len %i - avail = %i\n", > > > > > +