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SubjectRe: [PATCH v2] x86/speculation: Allow IBPB to be conditionally enabled on CPUs with always-on STIBP
On Thu, Nov 05, 2020 at 02:32:10PM -0600, Tom Lendacky wrote:
> Does it need a Fixes: tag?

Yah, this one:

Fixes: 21998a351512 ("x86/speculation: Avoid force-disabling IBPB based on STIBP and enhanced IBRS.")

because it set mode to SPECTRE_V2_USER_STRICT_PREFERRED, leading to the
inability to set the TIF_SPEC_IB bit later.
>
> Acked-by: Tom Lendacky <thomas.lendacky@amd.com>

Added, thx.

--
Regards/Gruss,
Boris.

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

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