On 28/10/20 00:10, Oliver Upton wrote:
commit 66570e966dd9 ("kvm: x86: only provide PV features if enabled in guest's CPUID") subtly changed the behavior of guest writes to MSR_KVM_SYSTEM_TIME(_NEW). Restore the previous behavior; update the masterclock any time the guest uses a different msr than before. Fixes: 66570e966dd9 ("kvm: x86: only provide PV features if enabled in guest's CPUID") Signed-off-by: Oliver Upton<oupton@xxxxxxxxxx> Reviewed-by: Peter Shier<pshier@xxxxxxxxxx> ---
Actually commit 5b9bb0ebbcdc ("kvm: x86: encapsulate wrmsr(MSR_KVM_SYSTEM_TIME) emulation in helper fn", 2020-10-21).
Paolo