Re: [PATCH] KVM: nVMX: Advertise IA32_PAT in VM exit control

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




> On Mon, Aug 05, 2013 at 05:10:35PM +0800, Arthur Chunqi Li wrote:
>> Advertise VM_EXIT_SAVE_IA32_PAT and VM_EXIT_LOAD_IA32_PAT.
>> 
>> Signed-off-by: Arthur Chunqi Li <yzt356@xxxxxxxxx>
>> ---
>> arch/x86/kvm/vmx.c |    3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>> 
>> diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
>> index 45fd70c..240f0db 100644
>> --- a/arch/x86/kvm/vmx.c
>> +++ b/arch/x86/kvm/vmx.c
>> @@ -2198,7 +2198,8 @@ static __init void nested_vmx_setup_ctls_msrs(void)
>> #else
>>    nested_vmx_exit_ctls_high = 0;
>> #endif
>> -    nested_vmx_exit_ctls_high |= VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR;
>> +    nested_vmx_exit_ctls_high |= VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR |
>> +        VM_EXIT_LOAD_IA32_PAT | VM_EXIT_SAVE_IA32_PAT;
>> 
> You should not set those if host does not support them, otherwise
> GUEST_IA32_PAT may not be available
To Jan,
Is this different from IA32_EFER?

Arthur
> 
> --
>            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




[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux