Re: [PATCH 0/6] virtio-console: spec compliance fixes

On (Tue) 24 Apr 2018 [21:41:29], Michael S. Tsirkin wrote: > On Fri, Apr 20, 2018 at 09:17:59PM +0300, Michael S. Tsirkin wrote: > > Turns out virtio console tries to take a buffer out of an active vq. > > Works by sheer luck, and is explicitly forbidden by spec. And while > > going over it I saw

[RFC] virtio: support VIRTIO_F_IO_BARRIER

This patch introduces the support for VIRTIO_F_IO_BARRIER. When this feature is negotiated, driver will use the barriers suitable for hardware devices. Signed-off-by: Tiwei Bie --- drivers/virtio/virtio_ring.c | 5 + include/uapi/linux/virtio_config.h | 8 +++-

Re: [RFC v3 4/5] virtio_ring: add event idx support in packed ring

On Thu, May 03, 2018 at 04:44:39AM +0300, Michael S. Tsirkin wrote: > On Thu, May 03, 2018 at 09:11:16AM +0800, Tiwei Bie wrote: > > On Wed, May 02, 2018 at 06:42:57PM +0300, Michael S. Tsirkin wrote: > > > On Wed, May 02, 2018 at 11:12:55PM +0800, Tiwei Bie wrote: > > > > On Wed, May 02, 2018 at

Re: [RFC v3 4/5] virtio_ring: add event idx support in packed ring

On Thu, May 03, 2018 at 09:11:16AM +0800, Tiwei Bie wrote: > On Wed, May 02, 2018 at 06:42:57PM +0300, Michael S. Tsirkin wrote: > > On Wed, May 02, 2018 at 11:12:55PM +0800, Tiwei Bie wrote: > > > On Wed, May 02, 2018 at 04:51:01PM +0300, Michael S. Tsirkin wrote: > > > > On Wed, May 02, 2018 at

Re: [RFC v3 4/5] virtio_ring: add event idx support in packed ring

On Wed, May 02, 2018 at 06:42:57PM +0300, Michael S. Tsirkin wrote: > On Wed, May 02, 2018 at 11:12:55PM +0800, Tiwei Bie wrote: > > On Wed, May 02, 2018 at 04:51:01PM +0300, Michael S. Tsirkin wrote: > > > On Wed, May 02, 2018 at 03:28:19PM +0800, Tiwei Bie wrote: > > > > On Wed, May 02, 2018 at

Re: [PATCH net-next v9 2/4] net: Introduce generic failover module

Wed, May 02, 2018 at 07:51:12PM CEST, sridhar.samudr...@intel.com wrote: > > >On 5/2/2018 9:15 AM, Jiri Pirko wrote: >> Sat, Apr 28, 2018 at 11:06:01AM CEST, j...@resnulli.us wrote: >> > Fri, Apr 27, 2018 at 07:06:58PM CEST, sridhar.samudr...@intel.com wrote: >> [...] >> >> >> > > + >> > > +

Re: [PATCH net-next v9 2/4] net: Introduce generic failover module

Wed, May 02, 2018 at 07:51:12PM CEST, sridhar.samudr...@intel.com wrote: > > >On 5/2/2018 9:15 AM, Jiri Pirko wrote: >> Sat, Apr 28, 2018 at 11:06:01AM CEST, j...@resnulli.us wrote: >> > Fri, Apr 27, 2018 at 07:06:58PM CEST, sridhar.samudr...@intel.com wrote: >> [...] >> >> >> > > + >> > > +

Re: [PATCH net-next v9 2/4] net: Introduce generic failover module

On 5/2/2018 1:30 PM, Michael S. Tsirkin wrote: On Wed, May 02, 2018 at 10:51:12AM -0700, Samudrala, Sridhar wrote: On 5/2/2018 9:15 AM, Jiri Pirko wrote: Sat, Apr 28, 2018 at 11:06:01AM CEST, j...@resnulli.us wrote: Fri, Apr 27, 2018 at 07:06:58PM CEST, sridhar.samudr...@intel.com wrote:

Re: [PATCH net-next v9 2/4] net: Introduce generic failover module

On Wed, May 02, 2018 at 10:51:12AM -0700, Samudrala, Sridhar wrote: > > > On 5/2/2018 9:15 AM, Jiri Pirko wrote: > > Sat, Apr 28, 2018 at 11:06:01AM CEST, j...@resnulli.us wrote: > > > Fri, Apr 27, 2018 at 07:06:58PM CEST, sridhar.samudr...@intel.com wrote: > > [...] > > > > > > > > + > > > >

Re: [PATCH net-next v9 2/4] net: Introduce generic failover module

On 5/2/2018 9:15 AM, Jiri Pirko wrote: Sat, Apr 28, 2018 at 11:06:01AM CEST, j...@resnulli.us wrote: Fri, Apr 27, 2018 at 07:06:58PM CEST, sridhar.samudr...@intel.com wrote: [...] + + err = netdev_rx_handler_register(slave_dev, net_failover_handle_frame, +

Re: [PATCH V2 net-next 4/6] tun: Add support for SCTP checksum offload

On 05/02/2018 10:56 AM, Marcelo Ricardo Leitner wrote: > On Wed, May 02, 2018 at 11:53:47AM -0300, Marcelo Ricardo Leitner wrote: >> On Tue, May 01, 2018 at 10:07:37PM -0400, Vladislav Yasevich wrote: >>> Adds a new tun offload flag to allow for SCTP checksum offload. >>> The flag has to be set by

Re: [PATCH net-next v9 2/4] net: Introduce generic failover module

Sat, Apr 28, 2018 at 11:06:01AM CEST, j...@resnulli.us wrote: >Fri, Apr 27, 2018 at 07:06:58PM CEST, sridhar.samudr...@intel.com wrote: [...] >>+ >>+ err = netdev_rx_handler_register(slave_dev, net_failover_handle_frame, >>+ failover_dev); >>+ if

Re: [PATCH net-next v9 3/4] virtio_net: Extend virtio to use VF datapath when available

Wed, May 02, 2018 at 05:34:44PM CEST, sridhar.samudr...@intel.com wrote: >On 5/2/2018 12:50 AM, Jiri Pirko wrote: >> Wed, May 02, 2018 at 02:20:26AM CEST, sridhar.samudr...@intel.com wrote: >> > On 4/30/2018 12:20 AM, Jiri Pirko wrote: >> > > > > Now I try to change mac of the failover master: >>

Re: [PATCH net-next v9 3/4] virtio_net: Extend virtio to use VF datapath when available

Wed, May 02, 2018 at 05:47:27PM CEST, m...@redhat.com wrote: >On Wed, May 02, 2018 at 09:50:21AM +0200, Jiri Pirko wrote: >> Wed, May 02, 2018 at 02:20:26AM CEST, sridhar.samudr...@intel.com wrote: >> >On 4/30/2018 12:20 AM, Jiri Pirko wrote: >> >> >> >> > > Now I try to change mac of the

Re: [PATCH net-next v9 3/4] virtio_net: Extend virtio to use VF datapath when available

On Wed, May 02, 2018 at 09:50:21AM +0200, Jiri Pirko wrote: > Wed, May 02, 2018 at 02:20:26AM CEST, sridhar.samudr...@intel.com wrote: > >On 4/30/2018 12:20 AM, Jiri Pirko wrote: > >> > >> > > Now I try to change mac of the failover master: > >> > > [root@test1 ~]# ip link set ens3 addr

Re: [RFC v3 4/5] virtio_ring: add event idx support in packed ring

On Wed, May 02, 2018 at 11:12:55PM +0800, Tiwei Bie wrote: > On Wed, May 02, 2018 at 04:51:01PM +0300, Michael S. Tsirkin wrote: > > On Wed, May 02, 2018 at 03:28:19PM +0800, Tiwei Bie wrote: > > > On Wed, May 02, 2018 at 10:51:06AM +0800, Jason Wang wrote: > > > > On 2018年04月25日 13:15, Tiwei Bie

Re: [PATCH net-next v9 3/4] virtio_net: Extend virtio to use VF datapath when available

On 5/2/2018 12:50 AM, Jiri Pirko wrote: Wed, May 02, 2018 at 02:20:26AM CEST, sridhar.samudr...@intel.com wrote: On 4/30/2018 12:20 AM, Jiri Pirko wrote: Now I try to change mac of the failover master: [root@test1 ~]# ip link set ens3 addr 52:54:00:b2:a7:f3 RTNETLINK answers: Operation not

CFP PhyCS 2018 - 5th Int.l Conf. on Physiological Computing Systems (Seville/Spain)

SUBMISSION DEADLINE 5th International Conference on Physiological Computing Systems Submission Deadline: May 24, 2018 http://www.phycs.org/ September 19 - 21, 2018 Seville, Spain. PhyCS is organized in 4 major tracks: - Devices - Methodologies and Methods - Human Factors - Applications

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Re: [RFC v3 4/5] virtio_ring: add event idx support in packed ring

On Wed, May 02, 2018 at 04:51:01PM +0300, Michael S. Tsirkin wrote: > On Wed, May 02, 2018 at 03:28:19PM +0800, Tiwei Bie wrote: > > On Wed, May 02, 2018 at 10:51:06AM +0800, Jason Wang wrote: > > > On 2018年04月25日 13:15, Tiwei Bie wrote: > > > > This commit introduces the event idx support in

Re: [PATCH] Revert "vhost: make msg padding explicit"

From: "Michael S. Tsirkin" Date: Wed, 2 May 2018 17:19:05 +0300 > This reverts commit 93c0d549c4c5a7382ad70de6b86610b7aae57406. > > Unfortunately the padding will break 32 bit userspace. > Ouch. Need to add some compat code, revert for now. > > Signed-off-by: Michael S.

Re: [PATCH V2 net-next 5/6] macvlan/macvtap: Add support for SCTP checksum offload.

On 05/02/2018 10:17 AM, Michael S. Tsirkin wrote: > On Wed, May 02, 2018 at 10:00:14AM -0400, Vlad Yasevich wrote: >> On 05/02/2018 09:46 AM, Michael S. Tsirkin wrote: >>> On Wed, May 02, 2018 at 09:27:00AM -0400, Vlad Yasevich wrote: On 05/01/2018 11:24 PM, Michael S. Tsirkin wrote: > On

Re: [PATCH V2 net-next 1/6] virtio: Add support for SCTP checksum offloading

On Wed, May 02, 2018 at 11:14:13AM -0300, Marcelo Ricardo Leitner wrote: > On Wed, May 02, 2018 at 06:16:45AM +0300, Michael S. Tsirkin wrote: > > On Tue, May 01, 2018 at 10:07:34PM -0400, Vladislav Yasevich wrote: > > > To support SCTP checksum offloading, we need to add a new feature > > > to

[PATCH] Revert "vhost: make msg padding explicit"

This reverts commit 93c0d549c4c5a7382ad70de6b86610b7aae57406. Unfortunately the padding will break 32 bit userspace. Ouch. Need to add some compat code, revert for now. Signed-off-by: Michael S. Tsirkin --- include/uapi/linux/vhost.h | 1 - 1 file changed, 1 deletion(-) diff

Re: [PATCH] vhost: make msg padding explicit

On Wed, May 02, 2018 at 10:04:46AM -0400, David Miller wrote: > From: "Michael S. Tsirkin" > Date: Wed, 2 May 2018 16:36:37 +0300 > > > Ouch. True - and in particular the 32 bit ABI on 64 bit kernels doesn't > > work at all. Hmm. It's relatively new and maybe there aren't any

Re: [PATCH V2 net-next 5/6] macvlan/macvtap: Add support for SCTP checksum offload.

On Wed, May 02, 2018 at 10:00:14AM -0400, Vlad Yasevich wrote: > On 05/02/2018 09:46 AM, Michael S. Tsirkin wrote: > > On Wed, May 02, 2018 at 09:27:00AM -0400, Vlad Yasevich wrote: > >> On 05/01/2018 11:24 PM, Michael S. Tsirkin wrote: > >>> On Tue, May 01, 2018 at 10:07:38PM -0400, Vladislav

Re: [PATCH] vhost: make msg padding explicit

From: "Michael S. Tsirkin" Date: Wed, 2 May 2018 16:36:37 +0300 > Ouch. True - and in particular the 32 bit ABI on 64 bit kernels doesn't > work at all. Hmm. It's relatively new and maybe there aren't any 32 bit > users yet. Thoughts? If it's been in a released kernel version,

Re: [PATCH V2 net-next 5/6] macvlan/macvtap: Add support for SCTP checksum offload.

On 05/02/2018 09:46 AM, Michael S. Tsirkin wrote: > On Wed, May 02, 2018 at 09:27:00AM -0400, Vlad Yasevich wrote: >> On 05/01/2018 11:24 PM, Michael S. Tsirkin wrote: >>> On Tue, May 01, 2018 at 10:07:38PM -0400, Vladislav Yasevich wrote: Since we now have support for software CRC32c

Re: [RFC v3 4/5] virtio_ring: add event idx support in packed ring

On Wed, May 02, 2018 at 03:28:19PM +0800, Tiwei Bie wrote: > On Wed, May 02, 2018 at 10:51:06AM +0800, Jason Wang wrote: > > On 2018年04月25日 13:15, Tiwei Bie wrote: > > > This commit introduces the event idx support in packed > > > ring. This feature is temporarily disabled, because the > > >

Re: [PATCH V2 net-next 5/6] macvlan/macvtap: Add support for SCTP checksum offload.

On Wed, May 02, 2018 at 09:27:00AM -0400, Vlad Yasevich wrote: > On 05/01/2018 11:24 PM, Michael S. Tsirkin wrote: > > On Tue, May 01, 2018 at 10:07:38PM -0400, Vladislav Yasevich wrote: > >> Since we now have support for software CRC32c offload, turn it on > >> for macvlan and macvtap devices so

Re: [PATCH] vhost: make msg padding explicit

On Wed, May 02, 2018 at 02:28:09AM -0400, Kevin Easton wrote: > On Tue, May 01, 2018 at 02:05:51PM -0400, David Miller wrote: > > From: "Michael S. Tsirkin" > > Date: Tue, 1 May 2018 20:19:19 +0300 > > > > > On Tue, May 01, 2018 at 11:28:22AM -0400, David Miller wrote: > > >>

Re: kvmalloc: always use vmalloc if CONFIG_DEBUG_VM

On Tue, May 01 2018 at 8:36pm -0400, Andrew Morton wrote: > On Tue, 24 Apr 2018 12:33:01 -0400 (EDT) Mikulas Patocka > wrote: > > > > > > > On Tue, 24 Apr 2018, Michal Hocko wrote: > > > > > On Tue 24-04-18 11:30:40, Mikulas Patocka wrote: >

Re: [PATCH V2 net-next 5/6] macvlan/macvtap: Add support for SCTP checksum offload.

On 05/01/2018 11:24 PM, Michael S. Tsirkin wrote: > On Tue, May 01, 2018 at 10:07:38PM -0400, Vladislav Yasevich wrote: >> Since we now have support for software CRC32c offload, turn it on >> for macvlan and macvtap devices so that guests can take advantage >> of offload SCTP checksums to the host

[PATCH] drm/qxl: Remove unecessary dma_fence_ops

The trivial enable_signaling implementation matches the default code. v2: Fix up commit message to match patch better (Eric). Cc: Eric Anholt Reviewed-by: Eric Anholt Signed-off-by: Daniel Vetter Cc: Dave Airlie

[PATCH] drm/qxl: Remove unecessary dma_fence_ops

The trivial enable_signaling implementation matches the default code. v2: Fix up commit message to match patch better (Eric). Cc: Eric Anholt Reviewed-by: Eric Anholt Signed-off-by: Daniel Vetter Cc: Dave Airlie

Re: [RFC V3 PATCH 1/8] vhost: move get_rx_bufs to vhost.c

On Mon, Apr 23, 2018 at 01:34:53PM +0800, Jason Wang wrote: > Move get_rx_bufs() to vhost.c and rename it to > vhost_get_rx_bufs(). This helps to hide vring internal layout from A small typo. Based on the code change in this patch, it seems that this function is renamed to vhost_get_bufs().

Re: [PATCH net-next v9 3/4] virtio_net: Extend virtio to use VF datapath when available

Wed, May 02, 2018 at 02:20:26AM CEST, sridhar.samudr...@intel.com wrote: >On 4/30/2018 12:20 AM, Jiri Pirko wrote: >> >> > > Now I try to change mac of the failover master: >> > > [root@test1 ~]# ip link set ens3 addr 52:54:00:b2:a7:f3 >> > > RTNETLINK answers: Operation not supported >> > > >>

Re: [RFC v3 4/5] virtio_ring: add event idx support in packed ring

On Wed, May 02, 2018 at 10:51:06AM +0800, Jason Wang wrote: > On 2018年04月25日 13:15, Tiwei Bie wrote: > > This commit introduces the event idx support in packed > > ring. This feature is temporarily disabled, because the > > implementation in this patch may not work as expected, > > and some