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Re: [PATCH] x86/features: More AMD features
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 20 Mar 2024 08:05:41 +0100
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Wed, 20 Mar 2024 07:05:51 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 19.03.2024 18:14, Andrew Cooper wrote:
> On 19/03/2024 1:11 pm, Jan Beulich wrote:
>> On 19.03.2024 08:33, Jan Beulich wrote:
>>> On 18.03.2024 19:13, Andrew Cooper wrote:
>>>> I'm not sure about FSRSC as a name, but it definitely beats AMD's longhand
>>>> name of FAST_REP_SCASB.
>>> With FSRS already used, I guess that's the closest we can get to keep
>>> names for similar features similar.
>>>
>>>> --- a/tools/misc/xen-cpuid.c
>>>> +++ b/tools/misc/xen-cpuid.c
>>>> @@ -91,6 +91,7 @@ static const char *const str_e1c[32] =
>>>> [24] = "perfctr-nb", /* [25] */
>>>> [26] = "dbx", [27] = "perftsc",
>>>> [28] = "pcx-l2i", [29] = "monitorx",
>>>> + [30] = "dbext2",
>>>> };
>>> AMD calls this AddrMaskExt (PM) or AdMskExtn (PPR). I can see where your
>>> different name choice is coming from, yet I still wonder whether we should
>>> try to stay closer where possible.
>> Having located the corresponding doc,
>> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
>> with a slight preference to adjusted names for this one feature.
>
> Neither are great. How about "addr-msk-ext" ?
I'd be okay with that.
Jan
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