On 16/04/19 17:21, Liran Alon wrote: > > But in addition, this MSR emulation I think is still required. As > guests may still legitimately use this MSR to enable C1E even when > MWAIT extensions is not supported. This is because just executing > HLT/MWAIT on all cores in package allows auto transition to C1E. > > So to conclude I think this KVM patch is still required and that we > need a QEMU patch in addition. Do you agree? > Yes, I agree and I have queued the patch. Paolo
