x86/amd_nb: Clean up early_is_amd_nb()

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The check for early_is_amd_nb() is only useful for systems with GART or
the NB_CFG register.

Zen-based systems (both AMD and Hygon) have neither, so return early for
them.

Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20241206161210.163701-4-yazen.ghannam@amd.com

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Yazen Ghannam 2024-12-06 16:11:56 +00:00 • committed by Borislav Petkov (AMD)

parent bee9e84060

commit e13f51b518

1 changed files with 3 additions and 4 deletions

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arch/x86/kernel/amd_nb.c

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