tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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x86/microcode/AMD: Fix Entrysign revision check for Zen5/Strix Halo

Zen5 also contains family 1Ah, models 70h-7Fh, which are mistakenly missing
from cpu_has_entrysign(). Add the missing range.

Fixes: 8a9fb5129e8e ("x86/microcode/AMD: Limit Entrysign signature checking to known generations")
Signed-off-by: Rong Zhang <i@rong.moe>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@kernel.org
Link: https://patch.msgid.link/20251229182245.152747-1-i@rong.moe

authored by

Rong Zhang and committed by
Borislav Petkov (AMD) 150b1b97 f8f9c1f4

+1 -1
+1 -1
arch/x86/kernel/cpu/microcode/amd.c
··· 258 258 if (fam == 0x1a) { 259 259 if (model <= 0x2f || 260 260 (0x40 <= model && model <= 0x4f) || 261 - (0x60 <= model && model <= 0x6f)) 261 + (0x60 <= model && model <= 0x7f)) 262 262 return true; 263 263 } 264 264