From: "Mario Limonciello (AMD)" <superm1@kernel.org>
To: mario.limonciello@amd.com, bp@alien8.de, tglx@linutronix.de,
mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org,
hpa@zytor.com
Cc: "Mario Limonciello (AMD)" <superm1@kernel.org>
Subject: [PATCH] x86/microcode/AMD: Add more known models to entry sign checking
Date: Thu, 6 Nov 2025 12:28:54 -0600 [thread overview]
Message-ID: <20251106182904.4143757-1-superm1@kernel.org> (raw)
Two Zen5 systems are missing from need_sha_check.
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
---
arch/x86/kernel/cpu/microcode/amd.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index b7c797dc94f45..dc82153009dab 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -220,10 +220,12 @@ static bool need_sha_check(u32 cur_rev)
case 0xaa001: return cur_rev <= 0xaa00116; break;
case 0xaa002: return cur_rev <= 0xaa00218; break;
case 0xb0021: return cur_rev <= 0xb002146; break;
+ case 0xb0081: return cur_rev <= 0xb008111; break;
case 0xb1010: return cur_rev <= 0xb101046; break;
case 0xb2040: return cur_rev <= 0xb204031; break;
case 0xb4040: return cur_rev <= 0xb404031; break;
case 0xb6000: return cur_rev <= 0xb600031; break;
+ case 0xb6080: return cur_rev <= 0xb608031; break;
case 0xb7000: return cur_rev <= 0xb700031; break;
default: break;
}
--
2.43.0
reply other threads:[~2025-11-07 11:07 UTC|newest]
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