From nobody Sun Feb 8 04:34:02 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6DFB11D5169 for ; Tue, 26 Nov 2024 13:47:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732628854; cv=none; b=pXUY9adZm7J09jDXgxS9mRCjZf3n+vOi8QCg3qK6dgnWtthkYxup38HMzaYAn1If3jKx7SWkEl5mO6W/TOuygDXgMt2HRC/461IcgwgY4nS9YOrSy18lc45A3VVpfKE4l/EISn+6vInWH9cPhQp0sMNikp1m9t8V3jzwQ89YgAY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732628854; c=relaxed/simple; bh=gwrmaCTUtXsmRl3WbdCiEpFpKkDZMJE2/lTzDvAP83I=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=WM2Lo9neKbaKIod/33WjdwY8YEDZg2VvERzSQ/GjfRcD7smgOwS3OxHXGgZOSakhdXUVPexNP/hTveS7hoyzeHEuZh/60zPLuJQZ6d6qiYHh8zJ2BDnZHdTGhRLRWIc+lXlW7p0dNprYBrb2f/XdkZukgKZ3v89m8lrbo1zGrsE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=4FHmUu+o; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=32/x3/cD; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="4FHmUu+o"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="32/x3/cD" From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1732628849; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=LRp8+EyAb5VfurGneR/dmqwkiaLgGf4J4Z1pubo3vro=; b=4FHmUu+o4mRy6G6J4YEPIDsKt57DJoR1MfHU+VkJCGirjki7msXoazMIoiDavPD0oqpBUX EX81V4o+rrUh7sHnNzf+0d6dghDIbIy0XPRG8Xkto/IzfQ1Lv2u9ElCPcM1+jnrjn1DZfJ pGGBRcg1+sGsKyYZXOIfJyt830OV8+FvGpQ/Kw7En3UJu9yXutzKcVqOkXLCHkpcAh0hs9 c1gxeIOF5CDBf1xzJDmvDABfkaMfrzWWQo4w1R7TNWScwE9tCKIKhouAbGKZYLMZqVPk6A 3am80I/yfsm1FZP0TdZ+z+M8B2b7ZPk8b6Pp8WkcaSx3/wGZAkoII6zuHOOxiQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1732628849; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=LRp8+EyAb5VfurGneR/dmqwkiaLgGf4J4Z1pubo3vro=; b=32/x3/cDPJeLNQvqgRMiAvcvXErgxtfynnAozFo4ToR4jF7CMhoJ35vWN29KAu8ZFyZNSo lYcOX3cB6kcfZKDg== To: linux-kernel@vger.kernel.org, x86@kernel.org Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Sebastian Andrzej Siewior Subject: [PATCH] x86/CPU/AMD: Terminate the erratum_1386_microcode array. Date: Tue, 26 Nov 2024 14:47:22 +0100 Message-ID: <20241126134722.480975-1-bigeasy@linutronix.de> 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" The erratum_1386_microcode array requires an empty entry at the end. Otherwise x86_match_cpu_with_stepping() will continue iterrate the array after it ended. Add an empty entry to erratum_1386_microcode to its end. Fixes: 29ba89f189528 ("x86/CPU/AMD: Improve the erratum 1386 workaround") Signed-off-by: Sebastian Andrzej Siewior --- arch/x86/kernel/cpu/amd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 823f44f7bc946..d8408aafeed98 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -798,6 +798,7 @@ static void init_amd_bd(struct cpuinfo_x86 *c) static const struct x86_cpu_desc erratum_1386_microcode[] =3D { AMD_CPU_DESC(0x17, 0x1, 0x2, 0x0800126e), AMD_CPU_DESC(0x17, 0x31, 0x0, 0x08301052), + {}, }; =20 static void fix_erratum_1386(struct cpuinfo_x86 *c) --=20 2.45.2