Messages in this thread | | | Date | Wed, 5 Apr 2023 19:11:06 -0700 | Subject | Re: [PATCH] KVM: x86/pmu: Disallow legacy LBRs if architectural LBRs are available | From | Sean Christopherson <> |
| |
On Sat, 28 Jan 2023 00:14:27 +0000, Sean Christopherson wrote: > Disallow enabling LBR support if the CPU supports architectural LBRs. > Traditional LBR support is absent on CPU models that have architectural > LBRs, and KVM doesn't yet support arch LBRs, i.e. KVM will pass through > non-existent MSRs if userspace enables LBRs for the guest. > >
Applied to kvm-x86 pmu, with a Fixes tag.
[1/1] KVM: x86/pmu: Disallow legacy LBRs if architectural LBRs are available https://github.com/kvm-x86/linux/commit/098f4c061ea1
-- https://github.com/kvm-x86/linux/tree/next https://github.com/kvm-x86/linux/tree/fixes
| |