From: Borislav Petkov <bp@alien8.de>
To: Jiri Slaby <jirislaby@kernel.org>
Cc: Daniel Verkamp <dverkamp@chromium.org>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Tony Luck <tony.luck@intel.com>
Subject: Re: [PATCH] x86: also disable FSRM if ERMS is disabled
Date: Wed, 4 Jan 2023 12:39:18 +0100 [thread overview]
Message-ID: <Y7VlZsaWz4/b6Phf@zn.tnic> (raw)
In-Reply-To: <1b184587-128d-e5cc-67e9-1d27feb87213@kernel.org>
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
next prev parent reply other threads:[~2023-01-04 11:39 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-23 0:58 [PATCH] x86: also disable FSRM if ERMS is disabled Daniel Verkamp
2022-09-23 11:13 ` Borislav Petkov
2022-09-23 17:25 ` Daniel Verkamp
2022-09-23 17:51 ` Borislav Petkov
2022-10-07 18:08 ` Daniel Verkamp
2022-10-11 11:28 ` Borislav Petkov
2022-10-11 17:09 ` Luck, Tony
2022-10-11 17:52 ` Borislav Petkov
2022-10-11 19:08 ` Luck, Tony
2022-10-11 20:56 ` Borislav Petkov
2022-10-11 22:19 ` Luck, Tony
2022-10-11 22:59 ` Andrew Cooper
2023-01-04 7:43 ` Jiri Slaby
2023-01-04 11:39 ` Borislav Petkov [this message]
2023-01-14 9:19 ` Ingo Molnar
2023-01-14 9:58 ` Borislav Petkov
2023-01-16 5:26 ` Jiri Slaby
2023-01-16 21:17 ` Borislav Petkov
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