Re: [PATCH 1/7] KVM: x86: Retry page fault if MMU reload is pending and root has no sp

Paolo Bonzini
2021-12-19T18:41:14Z

On 12/15/21 19:53, Sean Christopherson wrote:
>>
>>> 2) a case that has been handled in the inefficient way forever.
>> I don't care about inefficiency, I'm worried about correctness. It's extremely
>> unlikely this fixes a true bug in the legacy MMU, but there's also no real
>> downside to adding the check.
>>
>> Anyways, either way is fine.
> Ping, in case this dropped off your radar. Regardless of how we fix this goof,
> it needs to get fixed in 5.16.

Something has happened to my home directory in the middle of tests
running for this rc, and I can't really do anything about it until
someone sees my ticket. :/ This is the Linux maintainer version of a
dog eating my homework, I suppose.

Since there was another report of this, I'll just queue up this version
and send it out.

Paolo