| Date | Tue, 27 Jun 2023 10:43:14 -0700 | Subject | Re: [PATCH v1 2/6] KVM: x86: Virtualize CR4.LASS | From | Sean Christopherson <> |
| |
On Thu, Jun 01, 2023, Zeng Guang wrote: > Virtualize CR4.LASS[bit 27] under KVM control instead of being guest-owned > as CR4.LASS generally set once for each vCPU at boot time and won't be > toggled at runtime. Besides, only if VM has LASS capability enumerated with > CPUID.(EAX=07H.ECX=1):EAX.LASS[bit 6], KVM allows guest software to be able > to set CR4.LASS. > > Updating cr4_fixed1 to set CR4.LASS bit in the emulated IA32_VMX_CR4_FIXED1 > MSR for guests and allow guests to enable LASS in nested VMX operaion as well.
s/operaion/operation.
|