From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) (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 176EE6FBF for ; Sun, 5 Oct 2025 05:28:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.109.113.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759642113; cv=none; b=Ocw+0kNAqRLgM5Op5OtSRpfbsrkEwBi0YHnVKS2L1ezh7lY3Hj887C1xyU7SCYJRLz7xnHuhd2gjsbUMXxTsVKMPEgbK8TaCjA+vSEBAsADCORK823z8VFQsp9+svlRccuUduxmKQF3WivF5BV9ysbwzhkM47swxr2+RuRXkcn8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759642113; c=relaxed/simple; bh=lSQ8HAtiqRvKPWBUdmp32X4c9mOaWNkPum34eaq65nY=; h=Date:From:To:CC:Subject:In-Reply-To:References:Message-ID: MIME-Version:Content-Type; b=elKCBBGq3ePVmSRxYWBJty+RZI0PwRLgQdpC44lSkHkUuYQBM/Usjq9sPZB7mFkdVB/v7dlOARSuvjPcoEnYW8+M0LHlaemf1rzMld9lAWxWcSPJhDw6PioDcvCPk/nP6IQZsd633aa7K6cBHb8JIFqDHF7lWZEDgjOkEc/sOo8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de; spf=pass smtp.mailfrom=alien8.de; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b=G27dcEQh; arc=none smtp.client-ip=65.109.113.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alien8.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="G27dcEQh" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 3F38440E0194; Sun, 5 Oct 2025 05:28:27 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=pass (4096-bit key) header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 3TUA45zQHCYB; Sun, 5 Oct 2025 05:28:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1759642097; bh=lSQ8HAtiqRvKPWBUdmp32X4c9mOaWNkPum34eaq65nY=; h=Date:From:To:CC:Subject:In-Reply-To:References:From; b=G27dcEQhBBh5P8KICkNcZJrmVIhmdkDtRPIJHQ3QzuLMKv1jW3stSGBPrhcdVrPBy zksi2ZyQq6m3sEkEzz+W46oubhQksZhzA3Y4/1BsZUZfuONBJSj6i8AVZn64fp/j6S RLsSuqQ7MslQL1B8i3RmOwgufXe8HA333L40K4JgCmUikRcCEfbirF02pG488f9Pjz pCzB+M9tlOcdzWG4qULvN41Fx/ASZNh/qBvPTJOSEiVO6sFu7/ZLsyIqvsLNP5fmCg uGPYRDquN6Vj2JjitjuhKGH5cYzJZSEZ1uBSOQs7c3CdnwgbKeUTnlpsxX8weHeN88 aY+Ob9IRhjtCfP9Uu+RfuodBneeRBIlZ74Ks8vZh5w/LuBnRAb5jSyV64AaYF7VvOi G9XqEFDhZzfCjwyxrVxD2zWENl1Kdti1b3Uj3oKhdwFTBv8EzDRvYWsNhqMJ9K75hF Qgj5MeTBuOI5D2bINKWTBnn/gA1b4i0BjQLwEAafvGhnACDK4JdyScaYu3wpRlm9xw fsAC5U5DLSnpo2Eo47wXqx8jfpTk8ov7zgUKXaWxXVN/9JgX22bhYNRjtrzXIhAZaf 171+OX7BaMeqURrGhqFH7qw/buElXLmlV9Q0oEKF55+BFZ3Nw61Nao+kd7jbUK81lo paNadokGw55LeRKbinbcX8Ow= Received: from ehlo.thunderbird.net (unknown [IPv6:2a02:3035:e62:bf7a:f880:d6ab:37f8:f6f8]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 34CD340E00DE; Sun, 5 Oct 2025 05:28:01 +0000 (UTC) Date: Sun, 05 Oct 2025 08:27:54 +0300 From: Borislav Petkov To: Dave Hansen , Xose Vazquez Perez CC: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra , Josh Poimboeuf , Pawan Gupta , Nikolay Borisov , Alex Murray , Andrew Cooper , Sohil Mehta , Greg Kroah-Hartman , Dave Hansen , X86-ML , KERNEL-ML Subject: =?US-ASCII?Q?Re=3A_=5BPATCH_RFC=5D_x86/microco?= =?US-ASCII?Q?de/intel=3A_Refresh_the_revisi?= =?US-ASCII?Q?ons_that_determine_old=5Fmicr?= =?US-ASCII?Q?ocode_to_20250812_=28Aug_2025=29?= User-Agent: K-9 Mail for Android In-Reply-To: <8826a146-ba01-4f97-9fc5-7bf42c1e768d@intel.com> References: <20251004222528.119977-1-xose.vazquez@gmail.com> <8F0DE1AD-5532-4581-9716-581FB2777404@alien8.de> <8826a146-ba01-4f97-9fc5-7bf42c1e768d@intel.com> Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On October 5, 2025 6:58:05 AM GMT+03:00, Dave Hansen wrote: >On 10/4/25 19:42, Borislav Petkov wrote: >> This is turning into exactly what I was afraid and I warned it would tu= rn onto: >>=20 >> 1=2E https://git=2Ekernel=2Eorg/tip/952df63ef426b21d6da14bb48748f12b0ae= 2fe36 - we *just* updated it and there's already a new one >>=20 >> 2=2E Random people - not Intel - are going to be sending updates too=2E >>=20 >> This is a mess waiting to happen=2E ;-/ > >In the end, we've got an lightly documented patch that doesn't make a >lot of sense to apply=2E Not exactly a unique situation=2E ;) > >Xose, do you have any specific, practical reasons this should be >applied? Honestly, I don't hold the "HIGH" Intel SA rating in super high >regard=2E That's the problem=2E It'll be needless and endless discussions of the sor= t: oh, why do you need to update those revisions? But but, I need this and = that=2E Oh but you don't=2E Blablabla=2E=2E=2E Upstream has these revisions= , why aren't they backported=2E=2E=2E? Versus: people should always update to the latest microcode and we're not = tracking this in the kernel because there's really no need to=2E And none of those issues exist anymore=2E This is one of the reasons why I'm making sure the loader always works and= is very easy to update microcode=2E You always update and that's it=2E So you don't need any of that unnecessary work=2E Thx=2E Small device=2E Typos and formatting crap