Re: [PATCH AUTOSEL 6.15 044/118] openvswitch: Stricter validation for the userspace action

[Greg KH <greg@kroah.com>]

On Thu, Jun 05, 2025 at 07:23:34AM -0700, Jakub Kicinski wrote:
> On Wed, 4 Jun 2025 10:28:09 +0200 Greg KH wrote:
> > Nothing that ends up on Linus's tree should not be allowed also to be in
> > a stable kernel release as there is no difference in the "rule" that "we
> > will not break userspace".
> > 
> > So this isn't an issue here, if you need/want to make parsing more
> > strict, due to bugs or whatever, then great, let's make it more strict
> > as long as it doesn't break anyone's current system.  It doesn't matter
> > if this is in Linus's release or in a stable release, same rule holds
> > for both.
> 
> For sure, tho, I think the question is inverted here. We seem to be
> discussing arguments why something should not be backported, rather
> than arguments why something should be backported. You seem to be
> saying that the barrier of entry to stable is lower than what we'd
> normally send to Linus for an -rc, which perhaps makes sense in other
> parts of the kernel, but in networking that doesn't compute.
> 
> We go by simple logic of deciding if something is a fix. 
> This is not a fix. Neither is this:
> https://lore.kernel.org/all/20250604005049.4147522-54-sashal@kernel.org/

Ok, then that's a valid reason to drop it, that is not what I was
thinking was happening here at all, sorry.

greg k-h