On Tue, Aug 06, 2013 at 10:39:56AM +0200, Jan Kiszka wrote: > From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> > > Do not report that we can enter the guest in 64-bit mode if the host is > 32-bit only. This is not supported by KVM. > > Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> Reviewed-by: Gleb Natapov <gleb@xxxxxxxxxx> > --- > arch/x86/kvm/vmx.c | 6 +++++- > 1 files changed, 5 insertions(+), 1 deletions(-) > > diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c > index 773b54d..c810f9b 100644 > --- a/arch/x86/kvm/vmx.c > +++ b/arch/x86/kvm/vmx.c > @@ -2212,9 +2212,13 @@ static __init void nested_vmx_setup_ctls_msrs(void) > /* If bit 55 of VMX_BASIC is off, bits 0-8 and 12 must be 1. */ > nested_vmx_entry_ctls_low = VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR; > nested_vmx_entry_ctls_high &= > - VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_IA32E_MODE; > +#ifdef CONFIG_X86_64 > + VM_ENTRY_IA32E_MODE | > +#endif > + VM_ENTRY_LOAD_IA32_PAT; > nested_vmx_entry_ctls_high |= (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | > VM_ENTRY_LOAD_IA32_EFER); > + > /* cpu-based controls */ > rdmsr(MSR_IA32_VMX_PROCBASED_CTLS, > nested_vmx_procbased_ctls_low, nested_vmx_procbased_ctls_high); > -- > 1.7.3.4 -- 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
