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Re: [PATCH] x86: extend coverage of HLE "bad page" workaround
- To: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 21 Mar 2023 17:03:55 +0100
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Tue, 21 Mar 2023 16:04:10 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 21.03.2023 16:58, Roger Pau Monné wrote:
> On Tue, Mar 21, 2023 at 04:51:43PM +0100, Jan Beulich wrote:
>> On 21.03.2023 15:42, Roger Pau Monné wrote:
>>> On Tue, May 26, 2020 at 08:49:52AM +0200, Jan Beulich wrote:
>>>> Respective Core Gen10 processor lines are affected, too.
>>>>
>>>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
>>>>
>>>> --- a/xen/arch/x86/mm.c
>>>> +++ b/xen/arch/x86/mm.c
>>>> @@ -6045,6 +6045,8 @@ const struct platform_bad_page *__init g
>>>> case 0x000506e0: /* errata SKL167 / SKW159 */
>>>> case 0x000806e0: /* erratum KBL??? */
>>>> case 0x000906e0: /* errata KBL??? / KBW114 / CFW103 */
>>>> + case 0x000a0650: /* erratum Core Gen10 U/H/S 101 */
>>>> + case 0x000a0660: /* erratum Core Gen10 U/H/S 101 */
>>>
>>> I think this is errata CML101, I would add that at the end of the
>>> comment.
>>
>> Indeed in the current version of the document CML prefix exist. The older
>> document I've been looking at has no such letter acronyms in front of the
>> errata numbers. I can certainly update.
>>
>>> Also you seem to be missing the '806ec' model (806e0 case)? (listed as
>>> 'U 4+2 V1')
>>
>> Isn't that pre-existing (see 2nd line of context above)?
>
> Oh, indeed. Would you mind also adding a reference to CML101 for
> 0x000806e0 then?
Already done. Provided there'll be a v2 in the first place, considering
Andrew's comments (which I still need to properly consume).
Jan
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