x86/CPU/AMD: Add X86_FEATURE_ZEN1

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Commit 232afb5578 upstream.

Add a synthetic feature flag specifically for first generation Zen
machines. There's need to have a generic flag for all Zen generations so
make X86_FEATURE_ZEN be that flag.

Fixes: 30fa92832f ("x86/CPU/AMD: Add ZenX generations flags")
Suggested-by: Brian Gerst <brgerst@gmail.com>
Suggested-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/dc3835e3-0731-4230-bbb9-336bbe3d042b@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Borislav Petkov (AMD) 2023-12-02 12:50:23 +01:00 • committed by Greg Kroah-Hartman

parent b9524a0996

commit 48b4a4c96e

3 changed files with 8 additions and 6 deletions

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3

arch/x86/include/asm/cpufeatures.h

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9

arch/x86/kernel/cpu/amd.c

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2

tools/arch/x86/include/asm/cpufeatures.h

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