From: Borislav Petkov (AMD) Date: Fri, 14 Nov 2025 13:01:14 +0000 (+0100) Subject: x86/microcode/AMD: Add Zen5 model 0x44, stepping 0x1 minrev X-Git-Tag: v6.18-rc6~6^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=dd14022a7ce96963aa923e35cf4bcc8c32f95840;p=thirdparty%2Fkernel%2Flinux.git x86/microcode/AMD: Add Zen5 model 0x44, stepping 0x1 minrev Add the minimum Entrysign revision for that model+stepping to the list of minimum revisions. Fixes: 50cef76d5cb0 ("x86/microcode/AMD: Load only SHA256-checksummed patches") Reported-by: Andrew Cooper Signed-off-by: Borislav Petkov (AMD) Cc: Link: https://lore.kernel.org/r/e94dd76b-4911-482f-8500-5c848a3df026@citrix.com --- diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index dc82153009da..a881bf4c2011 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -224,6 +224,7 @@ static bool need_sha_check(u32 cur_rev) case 0xb1010: return cur_rev <= 0xb101046; break; case 0xb2040: return cur_rev <= 0xb204031; break; case 0xb4040: return cur_rev <= 0xb404031; break; + case 0xb4041: return cur_rev <= 0xb404101; break; case 0xb6000: return cur_rev <= 0xb600031; break; case 0xb6080: return cur_rev <= 0xb608031; break; case 0xb7000: return cur_rev <= 0xb700031; break;