Re: [PATCH v2] KVM: SVM: use vmsave/vmload for saving/restoring additional host state

Paolo Bonzini
2020-12-17T08:31:16Z

On 17/12/20 00:48, Sean Christopherson wrote:
>> c) refactor SEV-ES handling as part of this series. it's only a small change
>> to the SEV-ES code but it re-orders enough things around that I'm
>> concerned it might invalidate some of the internal testing we've done.
>> whereas a follow-up refactoring such as the above options can be rolled
>> into our internal testing so we can let our test teams re-verify
>>
>> Obviously I prefer b) but I'm biased on the matter and fine with whatever
>> you and others think is best. I just wanted to point out my concerns with
>> the various options.
> Definitely (c). This has already missed 5.11 (unless Paolo plans on shooting
> from the hip),

No, 5.11 is more or less done as far as x86 is concerned. I'm sending
the PR to Linus right now.

Paolo

> which means SEV-ES will get to enjoy a full (LTS) kernel release
> before these optimizations take effect.