On Tue, Sep 20, 2022, Borislav Petkov wrote: > On Tue, Sep 20, 2022 at 01:59:19PM -0700, Jim Mattson wrote: > > Jim Mattson (3): > > Revert "KVM: SVM: Allow EFER.LMSLE to be set with nested svm" > > x86/cpufeatures: Introduce X86_FEATURE_NO_LMSLE > > KVM: SVM: Unconditionally enumerate EferLmsleUnsupported > > Why do you need those two if you revert the hack? After the revert, > anything that tries to set LMSLE should get a #GP anyway, no? Yes, but ideally KVM would explicitly tell the guest "you don't have LMSLE". Probably a moot point, but at the same time I don't see a reason not to be explicit.
