Re: [PATCH] x86/bugs: KVM: Add support for SRSO_MSR_FIX

Yosry Ahmed
2025-02-17T20:32:30Z

February 17, 2025 at 12:20 PM, "Borislav Petkov" <bp@alien8.de> wrote:
>
> On Mon, Feb 17, 2025 at 11:56:22AM -0800, Yosry Ahmed wrote:
>
> >
> > I meant IBPB + MSR clear before going to userspace, or IBPB + MSR clear
> > before a context switch.
> >
>
> Basically what I said already:
>
> "Yes, let's keep it simple and do anything more involved *only* if it is
> really necessary."

Right, I agree as I mentioned earlier (assuming the perf hit is 1-2%), just wanted to clarify what I meant.