Re: [PATCH v2 4/4] virtio-net: Add support for USO features

[Michael S. Tsirkin]

On Thu, Aug 08, 2024 at 10:15:36AM -0400, Peter Xu wrote:
> On Thu, Aug 08, 2024 at 07:12:14AM -0400, Michael S. Tsirkin wrote:
> > This is too big of a hammer. People already use what you call "cross
> > migrate" and have for years. We are not going to stop developing
> > features just because someone suddenly became aware of some such bit.
> > If you care, you will have to work to solve the problem properly -
> > nacking half baked hacks is the only tool maintainers have to make
> > people work on hard problems.
> 
> IMHO this is totally different thing.  It's not about proposing a new
> feature yet so far, it's about how we should fix a breakage first.
> 
> And that's why I think we should fix it even in the simple way first, then
> we consider anything more benefitial from perf side without breaking
> anything, which should be on top of that.
> 
> Thanks,

As I said, once the quick hack is merged people stop caring.
Mixing different kernel versions in migration is esoteric enough for
this not to matter to most people. There's no rush I think, address
it properly.

-- 
MST