30.09.2010 23:05, Marcelo Tosatti wrote: [] > Arjan, Michael, can you try the following: > > From 3823c018162dc708b543cbdc680a4c7d63533fee Mon Sep 17 00:00:00 2001 > From: Zachary Amsden <zamsden@xxxxxxxxxx> > Date: Sat, 29 May 2010 17:52:46 -1000 > Subject: [KVM V2 04/25] Fix SVM VMCB reset > Cc: Avi Kivity <avi@xxxxxxxxxx>, > Marcelo Tosatti <mtosatti@xxxxxxxxxx>, > Glauber Costa <glommer@xxxxxxxxxx>, > linux-kernel@xxxxxxxxxxxxxxx > > On reset, VMCB TSC should be set to zero. Instead, code was setting > tsc_offset to zero, which passes through the underlying TSC. > > Signed-off-by: Zachary Amsden <zamsden@xxxxxxxxxx> > --- > arch/x86/kvm/svm.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c > index 760c86e..46856d2 100644 > --- a/arch/x86/kvm/svm.c > +++ b/arch/x86/kvm/svm.c > @@ -781,7 +781,7 @@ static void init_vmcb(struct vcpu_svm *svm) > > control->iopm_base_pa = iopm_base; > control->msrpm_base_pa = __pa(svm->msrpm); > - control->tsc_offset = 0; > + guest_write_tsc(&svm->vcpu, 0); > control->int_ctl = V_INTR_MASKING_MASK; This fails to compile on 2.6.35.5: arch/x86/kvm/svm.c: In function ‘init_vmcb’: arch/x86/kvm/svm.c:769: error: implicit declaration of function ‘guest_write_tsc’ I'll take a look tomorrow where that comes from.. hopefully ;) Thanks! /mjt -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html