x86/bugs: Add a separate config for TAA

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Currently, the CONFIG_SPECULATION_MITIGATIONS is halfway populated,
where some mitigations have entries in Kconfig, and they could be
modified, while others mitigations do not have Kconfig entries, and
could not be controlled at build time.

Create an entry for the TAA CPU mitigation under
CONFIG_SPECULATION_MITIGATIONS. This allow users to enable or disable
it at compilation time.

Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/r/20240729164105.554296-3-leitao@debian.org

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This commit is contained in:

Breno Leitao 2024-07-29 09:40:50 -07:00 • committed by Borislav Petkov (AMD)

parent 940455681d

commit b8da0b33d3

2 changed files with 13 additions and 1 deletions

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11

arch/x86/Kconfig

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3

arch/x86/kernel/cpu/bugs.c

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