Re: [Qemu-devel] [PATCH v5 1/1] i386/kvm: add support for Hyper-V reenlightenment MSRs

2018-04-11 Thread Roman Kagan
On Wed, Apr 11, 2018 at 01:50:36PM +0200, Vitaly Kuznetsov wrote: > KVM recently gained support for Hyper-V Reenlightenment MSRs which are > required to make KVM-on-Hyper-V enable TSC page clocksource to its guests > when INVTSC is not passed to it (and it is not passed by default in Qemu > as it

[Qemu-devel] [PATCH v5 1/1] i386/kvm: add support for Hyper-V reenlightenment MSRs

2018-04-11 Thread Vitaly Kuznetsov
KVM recently gained support for Hyper-V Reenlightenment MSRs which are required to make KVM-on-Hyper-V enable TSC page clocksource to its guests when INVTSC is not passed to it (and it is not passed by default in Qemu as it effectively blocks migration). Signed-off-by: Vitaly Kuznetsov