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[78.149.11.196]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47357776ce3sm30789165e9.13.2025.10.20.07.41.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Oct 2025 07:41:26 -0700 (PDT) From: Andrew Cooper To: LKML Cc: Andrew Cooper , Borislav Petkov , Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, "H. Peter Anvin" Subject: [PATCH] x86/microcode: Fix Entrysign revision check for Zen1/Naples Date: Mon, 20 Oct 2025 15:41:24 +0100 Message-Id: <20251020144124.2930784-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" ... to match AMD's statement. Link: https://www.amd.com/en/resources/product-security/bulletin/amd-sb-703= 3.html Fixes: 50cef76d5cb0 ("x86/microcode/AMD: Load only SHA256-checksummed patch= es") Signed-off-by: Andrew Cooper --- CC: Borislav Petkov CC: Thomas Gleixner CC: Ingo Molnar CC: Dave Hansen CC: x86@kernel.org CC: "H. Peter Anvin" CC: linux-kernel@vger.kernel.org --- arch/x86/kernel/cpu/microcode/amd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/micr= ocode/amd.c index cdce885e2fd5..28ed8c089024 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -194,7 +194,7 @@ static bool need_sha_check(u32 cur_rev) } =20 switch (cur_rev >> 8) { - case 0x80012: return cur_rev <=3D 0x800126f; break; + case 0x80012: return cur_rev <=3D 0x8001277; break; case 0x80082: return cur_rev <=3D 0x800820f; break; case 0x83010: return cur_rev <=3D 0x830107c; break; case 0x86001: return cur_rev <=3D 0x860010e; break; base-commit: 7ea30958b3054f5e488fa0b33c352723f7ab3a2a --=20 2.39.5