Messages in this thread | | | Date | Wed, 4 Jan 2023 12:39:18 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH] x86: also disable FSRM if ERMS is disabled |
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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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