Re: [PATCH v2 0/2] x86/cpu: fix invalid MTRR mask values for SEV or TME

[Dave Hansen]

On 2/25/24 17:57, Yin Fengwei wrote:
> On 2/23/24 02:08, Paolo Bonzini wrote:
>> On Thu, Feb 22, 2024 at 7:07 PM Dave Hansen <dave.hansen@xxxxxxxxx> wrote:
>>>> Ping, in the end are we applying these patches for either 6.8 or 6.9?
>>> Let me poke at them and see if we can stick them in x86/urgent early
>>> next week.  They do fix an actual bug that's biting people, right?
>> Yes, I have gotten reports of {Sapphire,Emerald} Rapids machines that
>> don't boot at all without either these patches or
>> "disable_mtrr_cleanup".
> We tried platform other than Sapphire and Emerald. This patchset can fix
> boot issues on that platform also.

Fengwei, could you also test this series on the troublesome hardware,
please?

> https://lore.kernel.org/all/20240222183926.517AFCD2@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx/

If it _also_ fixes the problem, it'll be a strong indication that it's
the right long-term approach.