[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PAT
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size |
Date: |
Fri, 16 Jun 2017 18:19:30 +0300 |
On Fri, Jun 16, 2017 at 04:57:01PM +0800, Jason Wang wrote:
>
>
> On 2017年06月16日 11:22, Michael S. Tsirkin wrote:
> > > I think the issues can be solved by VIRTIO_F_MAX_CHAIN_SIZE.
> > >
> > > For now, how about splitting it into two series of patches:
> > > 1) enable 1024 tx queue size for vhost-user, to let the users of
> > > vhost-user
> > > to easily use 1024 queue size.
> > Fine with me. 1) will get property from user but override it on
> > !vhost-user. Do we need a protocol flag? It seems prudent but we get
> > back to cross-version migration issues that a04re still pending solution.
> > Marc Andre, what's the status of that work?
> >
> > > 2) enable VIRTIO_F_MAX_CHAIN_SIZE, to enhance robustness.
> > Rather, to support it for more backends.
>
> Ok, if we want to support different values of max chain size in the future.
> It would be problematic for migration of cross backends, consider the case
> when migrating from 2048 (vhost-user) to 1024 (qemu/vhost-kernel).
>
> Thanks
That's already a problem, and it's growing with each new feature.
Maxime looked at supporting vhost-user backends cross-version migration,
I think we must merge some solution sooner rather than later, preferably
by the next release.
Maxime, any update here? Do we need a meeting to reach consensus?
> >
> > > Best,
> > > Wei
> > --
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, (continued)
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Michael S. Tsirkin, 2017/06/14
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Jason Wang, 2017/06/15
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Wei Wang, 2017/06/15
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Michael S. Tsirkin, 2017/06/15
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Jason Wang, 2017/06/16
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Wei Wang, 2017/06/16
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Michael S. Tsirkin, 2017/06/16
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Wei Wang, 2017/06/17
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Michael S. Tsirkin, 2017/06/18
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Wei Wang, 2017/06/19
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Maxime Coquelin, 2017/06/16
- Re: [Qemu-devel] [virtio-dev] Re: [virtio-dev] Re: [virtio-dev] Re: [PATCH v1] virtio-net: enable configurable tx queue size, Michael S. Tsirkin, 2017/06/16
Re: [Qemu-devel] [PATCH v1] virtio-net: enable configurable tx queue size, Michael S. Tsirkin, 2017/06/05