Re: [PATCH v8 00/11] Fix BUG_ON in vfio_iommu_group_notifier()

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On Fri, Apr 08, 2022 at 04:00:31PM +0200, Joerg Roedel wrote:
> On Fri, Apr 08, 2022 at 09:23:52AM -0300, Jason Gunthorpe wrote:
> > Why rc3? It has been 4 weeks now with no futher comments.
>
> Because I start applying new code to branches based on -rc3. In the past
> I used different -rc's for the topic branches (usually the latest -rc
> available when I started applying to that branch), but that caused silly
> merge conflicts from time to time. So I am now basing every topic branch
> on the same -rc, which is usually -rc3. Rationale is that by -rc3 time
> the kernel should have reasonably stabilized after the merge window.

You might consider using a linear tree instead of the topic branches,
topics are tricky and I'm not sure it helps a small subsystem so much.
Conflicts between topics are a PITA for everyone, and it makes
handling conflicts with rc much harder than it needs to be.

At least I haven't felt a need for topics while running larger trees,
and would find it stressful to try and squeeze the entire patch flow
into only 3 weeks out of the 7 week cycle.

In any event, I'd like this on a branch so Alex can pull it too, I
guess it means Alex has to merge rc3 to VFIO as well?

Thanks for explaining

Jason



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