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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "Samudrala, Sridhar" <sridhar.samudrala@intel.com>,
	davem@davemloft.net, netdev@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	virtio-dev@lists.oasis-open.org, jesse.brandeburg@intel.com,
	alexander.h.duyck@intel.com, kubakici@wp.pl, jasowang@redhat.com,
	loseweigh@gmail.com, jiri@resnulli.us, aaron.f.brown@intel.com,
	anjali.singhai@intel.com
Subject: [virtio-dev] Re: [PATCH net-next v12 2/5] netvsc: refactor notifier/event handling code to use the failover framework
Date: Thu, 31 May 2018 20:34:03 +0300	[thread overview]
Message-ID: <20180531203301-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20180531085812.0b13afef@shemminger-XPS-13-9360>

On Thu, May 31, 2018 at 08:58:12AM -0400, Stephen Hemminger wrote:
> On Wed, 30 May 2018 20:03:11 -0700
> "Samudrala, Sridhar" <sridhar.samudrala@intel.com> wrote:
> 
> > On 5/30/2018 7:06 PM, Stephen Hemminger wrote:
> > > On Thu, 24 May 2018 09:55:14 -0700
> > > Sridhar Samudrala <sridhar.samudrala@intel.com> wrote:
> > >  
> > >> Use the registration/notification framework supported by the generic
> > >> failover infrastructure.
> > >>
> > >> Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>  
> > > Why was this merged? It was never signed off by any of the netvsc maintainers,
> > > and there were still issues unresolved.
> > >
> > > There are also namespaces issues I am fixing and this breaks them.
> > > Will start my patch set with a revert for this. Sorry  
> > 
> > I would appreciate if you can make the fixes on top of this patch series. I tried hard
> > to make sure that netvsc functionality and behavior doesn't change.
> > 
> > It is possible that there could be some bugs introduced, but they can be fixed.
> > Looks like Wei already found a bug and submitted a fix for that.
> > 
> 
> Ok, but several of these may clash with what you want for virtio.
> Like:
> 	- VF should be moved to namespace of virt device
> 	- VF should be associated based on message from host with serial # not
> 	  registration notifier and MAC address.
> 	- control operations should use master device reference rather than
> 	  searching based on MAC.
> 
> As you can see these are structural changes.

We might want to do these for virtio as well, at least as
an option.

-- 
MST

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WARNING: multiple messages have this Message-ID (diff)
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "Samudrala, Sridhar" <sridhar.samudrala@intel.com>,
	davem@davemloft.net, netdev@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	virtio-dev@lists.oasis-open.org, jesse.brandeburg@intel.com,
	alexander.h.duyck@intel.com, kubakici@wp.pl, jasowang@redhat.com,
	loseweigh@gmail.com, jiri@resnulli.us, aaron.f.brown@intel.com,
	anjali.singhai@intel.com
Subject: Re: [PATCH net-next v12 2/5] netvsc: refactor notifier/event handling code to use the failover framework
Date: Thu, 31 May 2018 20:34:03 +0300	[thread overview]
Message-ID: <20180531203301-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20180531085812.0b13afef@shemminger-XPS-13-9360>

On Thu, May 31, 2018 at 08:58:12AM -0400, Stephen Hemminger wrote:
> On Wed, 30 May 2018 20:03:11 -0700
> "Samudrala, Sridhar" <sridhar.samudrala@intel.com> wrote:
> 
> > On 5/30/2018 7:06 PM, Stephen Hemminger wrote:
> > > On Thu, 24 May 2018 09:55:14 -0700
> > > Sridhar Samudrala <sridhar.samudrala@intel.com> wrote:
> > >  
> > >> Use the registration/notification framework supported by the generic
> > >> failover infrastructure.
> > >>
> > >> Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>  
> > > Why was this merged? It was never signed off by any of the netvsc maintainers,
> > > and there were still issues unresolved.
> > >
> > > There are also namespaces issues I am fixing and this breaks them.
> > > Will start my patch set with a revert for this. Sorry  
> > 
> > I would appreciate if you can make the fixes on top of this patch series. I tried hard
> > to make sure that netvsc functionality and behavior doesn't change.
> > 
> > It is possible that there could be some bugs introduced, but they can be fixed.
> > Looks like Wei already found a bug and submitted a fix for that.
> > 
> 
> Ok, but several of these may clash with what you want for virtio.
> Like:
> 	- VF should be moved to namespace of virt device
> 	- VF should be associated based on message from host with serial # not
> 	  registration notifier and MAC address.
> 	- control operations should use master device reference rather than
> 	  searching based on MAC.
> 
> As you can see these are structural changes.

We might want to do these for virtio as well, at least as
an option.

-- 
MST

  reply	other threads:[~2018-05-31 17:34 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-24 16:55 [virtio-dev] [PATCH net-next v12 0/5] Enable virtio_net to act as a standby for a passthru device Sridhar Samudrala
2018-05-24 16:55 ` Sridhar Samudrala
2018-05-24 16:55 ` [PATCH net-next v12 1/5] net: Introduce generic failover module Sridhar Samudrala
2018-05-24 16:55 ` [virtio-dev] " Sridhar Samudrala
2018-05-24 16:55   ` Sridhar Samudrala
2018-05-25 22:37   ` Stephen Hemminger
2018-05-25 22:37   ` Stephen Hemminger
2018-05-25 23:04     ` [virtio-dev] " Samudrala, Sridhar
2018-05-25 23:04       ` Samudrala, Sridhar
2018-05-26  7:43     ` Jiri Pirko
2018-05-26  7:43     ` Jiri Pirko
2018-05-25 22:38   ` Stephen Hemminger
2018-05-25 22:38   ` Stephen Hemminger
2018-05-25 23:06     ` [virtio-dev] " Samudrala, Sridhar
2018-05-25 23:06       ` Samudrala, Sridhar
2018-05-25 23:29       ` Stephen Hemminger
2018-05-25 23:29       ` Stephen Hemminger
2018-05-31  2:52       ` Stephen Hemminger
2018-05-31  2:58         ` [virtio-dev] " Samudrala, Sridhar
2018-05-31  2:58           ` Samudrala, Sridhar
2018-05-31  2:58         ` Samudrala, Sridhar
2018-05-31  2:52       ` Stephen Hemminger
2018-05-25 23:06     ` Samudrala, Sridhar
2018-05-24 16:55 ` [virtio-dev] [PATCH net-next v12 2/5] netvsc: refactor notifier/event handling code to use the failover framework Sridhar Samudrala
2018-05-24 16:55   ` Sridhar Samudrala
2018-05-25 22:34   ` Stephen Hemminger
2018-05-25 23:11     ` [virtio-dev] " Samudrala, Sridhar
2018-05-25 23:11       ` Samudrala, Sridhar
2018-05-25 23:28       ` Stephen Hemminger
2018-05-25 23:28       ` Stephen Hemminger
2018-05-26  7:22         ` Samudrala, Sridhar
2018-05-26  7:22         ` [virtio-dev] " Samudrala, Sridhar
2018-05-26  7:22           ` Samudrala, Sridhar
2018-05-26  7:51           ` Jiri Pirko
2018-05-26 19:22             ` [virtio-dev] " Samudrala, Sridhar
2018-05-26 19:22               ` Samudrala, Sridhar
2018-05-31  2:06   ` Stephen Hemminger
2018-05-31  3:03     ` [virtio-dev] " Samudrala, Sridhar
2018-05-31  3:03       ` Samudrala, Sridhar
2018-05-31 12:58       ` Stephen Hemminger
2018-05-31 12:58       ` Stephen Hemminger
2018-05-31 17:34         ` Michael S. Tsirkin [this message]
2018-05-31 17:34           ` Michael S. Tsirkin
2018-05-31 17:34         ` Michael S. Tsirkin
2018-05-31 18:35     ` [virtio-dev] " Michael S. Tsirkin
2018-05-31 18:35       ` Michael S. Tsirkin
2018-05-31 20:41       ` [virtio-dev] " Siwei Liu
2018-05-31 20:41         ` Siwei Liu
2018-05-31 20:41       ` Siwei Liu
2018-05-31 18:35     ` Michael S. Tsirkin
2018-05-31  2:06   ` Stephen Hemminger
2018-05-24 16:55 ` Sridhar Samudrala
2018-05-24 16:55 ` [PATCH net-next v12 3/5] net: Introduce net_failover driver Sridhar Samudrala
2018-05-24 16:55 ` [virtio-dev] " Sridhar Samudrala
2018-05-24 16:55   ` Sridhar Samudrala
2018-05-24 16:55 ` [virtio-dev] [PATCH net-next v12 4/5] virtio_net: Introduce VIRTIO_NET_F_STANDBY feature bit Sridhar Samudrala
2018-05-24 16:55   ` Sridhar Samudrala
2018-05-24 16:55 ` Sridhar Samudrala
2018-05-24 16:55 ` [PATCH net-next v12 5/5] virtio_net: Extend virtio to use VF datapath when available Sridhar Samudrala
2018-05-24 16:55 ` [virtio-dev] " Sridhar Samudrala
2018-05-24 16:55   ` Sridhar Samudrala
2018-05-25 17:19 ` [PATCH net-next v12 0/5] Enable virtio_net to act as a standby for a passthru device Michael S. Tsirkin
2018-05-25 17:19 ` [virtio-dev] " Michael S. Tsirkin
2018-05-25 17:19   ` Michael S. Tsirkin
2018-05-29  3:00 ` David Miller
2018-05-29  3:00 ` David Miller

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