On Sun, Jun 13, 2010 at 03:24:37PM +0300, Nadav Har'El wrote: > This patch allows the guest to enable the VMXE bit in CR4, which is a > prerequisite to running VMXON. > > Signed-off-by: Nadav Har'El <nyh@xxxxxxxxxx> > --- > --- .before/arch/x86/kvm/x86.c 2010-06-13 15:01:28.000000000 +0300 > +++ .after/arch/x86/kvm/x86.c 2010-06-13 15:01:28.000000000 +0300 > @@ -501,7 +501,7 @@ int __kvm_set_cr4(struct kvm_vcpu *vcpu, > && !load_pdptrs(vcpu, vcpu->arch.cr3)) > return 1; > > - if (cr4 & X86_CR4_VMXE) > + if (cr4 & X86_CR4_VMXE && !nested) > return 1; > We shouldn't be able to clear X86_CR4_VMXE after VMXON. > kvm_x86_ops->set_cr4(vcpu, cr4); > -- > 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 -- Gleb. -- 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
