[PATCH v3 0/8] x86, KVM: Optimize SEV cache flushing

[Borislav Petkov]

On Wed, Jul 09, 2025 at 09:25:35AM -0700, Sean Christopherson wrote:
> On Thu, May 22, 2025, Sean Christopherson wrote:
> > This is the combination of Kevin's WBNOINVD series[1] with Zheyun's targeted
> > flushing series[2].  The combined goal is to use WBNOINVD instead of WBINVD
> > when doing cached maintenance to prevent data corruption due to C-bit aliasing,
> > and to reduce the number of cache invalidations by only performing flushes on
> > CPUs that have entered the relevant VM since the last cache flush.
> > 
> > All of the non-KVM patches are frontloaded and based on v6.15-rc7, so that
> > they can go through the tip tree (in a stable branch, please :-) ).
> 
> Tip tree folks, any feedback/thoughts on this series (patches 1-4 in particular)?
> It'd be nice to get this into 6.17, and I'd really like land it by 6.18 at the
> latest.

I'll take a look tomorrow.

If I queue 1-4, would you like an immutable branch to merge for the other 4?

Thx.

-- 
Regards/Gruss,
    Boris.

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