Amit Shah wrote: > >From 76204eda7e03035c16702105e78724137ecad24b Mon Sep 17 00:00:00 2001 > From: Amit Shah <[EMAIL PROTECTED]> > Date: Sun, 18 Nov 2007 22:42:47 +0530 > Subject: [PATCH] KVM: SVM: Disable Lazy FPU optimization because of > regressions > > Host FPU state is leaked into the guest FPU state. This happens > because of the lazy FPU optimization, so just reload the FPU > each time there's a VM exit/entry. > > The real fix should follow soon. > > Applied, thanks, and:
> diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c > index ea2cb83..d7c9b92 100644 > --- a/drivers/kvm/svm.c > +++ b/drivers/kvm/svm.c > @@ -1600,11 +1600,11 @@ static void svm_set_cr3(struct kvm_vcpu *vcpu, > unsigned long root) > svm->vmcb->save.cr3 = root; > force_new_asid(vcpu); > > - if (vcpu->fpu_active) { > - svm->vmcb->control.intercept_exceptions |= (1 << NM_VECTOR); > - svm->vmcb->save.cr0 |= X86_CR0_TS; > - vcpu->fpu_active = 0; > - } > +/* if (vcpu->fpu_active) { */ > +/* svm->vmcb->control.intercept_exceptions |= (1 << NM_VECTOR); */ > +/* svm->vmcb->save.cr0 |= X86_CR0_TS; */ > +/* vcpu->fpu_active = 0; */ > +/* } */ > } > > static void svm_inject_page_fault(struct kvm_vcpu *vcpu, > Changed those into a #if 0. Those comments were unsightly. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel