| Message ID | 20150528232219.769743096@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Index: kvm/arch/x86/kvm/x86.c =================================================================== --- kvm.orig/arch/x86/kvm/x86.c 2015-05-28 19:18:12.621372286 -0300 +++ kvm/arch/x86/kvm/x86.c 2015-05-28 19:19:17.738268690 -0300 @@ -1700,6 +1700,8 @@ vcpu->pvclock_set_guest_stopped_request = false; } + /* pvclock counts from zero */ + pvclock_flags |= PVCLOCK_COUNTS_FROM_ZERO; /* If the host uses TSC clocksource, then it is stable */ if (use_master_clock) pvclock_flags |= PVCLOCK_TSC_STABLE_BIT; @@ -2282,6 +2284,8 @@ &vcpu->requests); ka->boot_vcpu_runs_old_kvmclock = tmp; + + ka->kvmclock_offset = -get_kernel_ns(); } vcpu->arch.time = data;
Initialize kvmclock base, on kvmclock system MSR write time, so that the guest sees kvmclock counting from zero. This matches baremetal behaviour when kvmclock in guest sets sched clock stable. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> --- arch/x86/kvm/x86.c | 4 ++++ 1 file changed, 4 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html