From d23550efc6800841b4d1639784afaebdea946ae0 Mon Sep 17 00:00:00 2001 From: "Mario Limonciello (AMD)" Date: Thu, 6 Nov 2025 12:28:54 -0600 Subject: [PATCH] x86/microcode/AMD: Add more known models to entry sign checking Two Zen5 systems are missing from need_sha_check(). Add them. Fixes: 50cef76d5cb0 ("x86/microcode/AMD: Load only SHA256-checksummed patches") Signed-off-by: Mario Limonciello (AMD) Signed-off-by: Borislav Petkov (AMD) Cc: Link: https://patch.msgid.link/20251106182904.4143757-1-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; } -- 2.47.3