Re: [PATCH 0/6] KVM: x86: Unhost the *_CMD MSR mess

Sean Christopherson
2023-03-27T15:28:23Z

On Mon, Mar 27, 2023, Paolo Bonzini wrote:
> On 3/22/23 02:14, Sean Christopherson wrote:
> > Revert the FLUSH_L1D enabling, which has multiple fatal bugs, clean up
> > the existing PRED_CMD handling, and reintroduce FLUSH_L1D virtualization
> > without inheriting the mistakes made by PRED_CMD.
> >
> > The last patch hardens SVM against one of the bugs introduced in the
> > FLUSH_L1D enabling.
> >
> > I'll post KUT patches tomorrow. I have the tests written (and they found
> > bugs in my code, :shocked-pikachu:), just need to write the changelogs.
> > Wanted to get this out sooner than later as I'm guessing I'm not the only
> > one whose VMs won't boot on Intel CPUs...
>
> Hi Sean,
>
> did you post them?

No, I'll get that done today (I pinky swear this time).