Re: [PATCH] x86/cpuid: Advertise no-lmsle unilaterally to hvm guests

[Jan Beulich <jbeulich@xxxxxxxx>]

On 12.04.2021 13:39, Andrew Cooper wrote:
> On 12/04/2021 11:48, Jan Beulich wrote:
>> On 12.04.2021 12:22, Andrew Cooper wrote:
>>> --- a/xen/arch/x86/cpuid.c
>>> +++ b/xen/arch/x86/cpuid.c
>>> @@ -456,6 +456,12 @@ static void __init calculate_hvm_max_policy(void)
>>>      __set_bit(X86_FEATURE_X2APIC, hvm_featureset);
>>>  
>>>      /*
>>> +     * We don't support EFER.LMSLE at all.  AMD has dropped the feature 
>>> from
>>> +     * hardware and allocated a CPUID bit to indicate its absence.
>>> +     */
>>> +    __set_bit(X86_FEATURE_NO_LMSLE, hvm_featureset);
>> Why only for HVM?
> 
> That was discussed.

Oh, in a post-commit-message remark which I did manage to skip over.
Would you mind making this part of the commit message?

Jan