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SubjectRe: [PATCH] x86: also disable FSRM if ERMS is disabled
On Wed, Jan 04, 2023 at 08:43:51AM +0100, Jiri Slaby wrote:
> Let me resurrect this thread... Our customer has an AMD CPU which has indeed
> both capabilities under normal circumstances. But they have a cool UEFI BIOS
> too. They say:
>
> """
> In AMD platform, while disalbe ERMS(Enhanced Rep MOVSB/STOSB) in UEFI
> (system setup -> processor -> Enhanced Rep MOVSB/STOSB), the OS can't boot
> normally.

Any particular reason they're disabling ERMS?

What do they set FSRM to?

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette

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