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 EF19F215065 for ; Mon, 3 Mar 2025 16:13:13 +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=1741018396; cv=none; b=mM9M/r8HoeVUfh33b3TGd9/VL3Asn0dNB6f7r42at45YXROD7W4MLyBtE0V0sLoIv8zOBe+dmWl+3CfYTDmyB3TogPmmFoaW8d9m7OEAiQUtcRmMLueva7c31lkG3IGqtsBKaFKvDicBpLRC11JAcxNqUxAxrD6/a64D0dY2SqU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741018396; c=relaxed/simple; bh=k7qdz5Qv7WS7LsolcJ7m5YgxU3ZRSOvH64UYTQvki20=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=czjCNJpcAepxFD8gfugLfdNkIlz1KN2pmOsSPIadiczdnK61SdbvWADTXl1famTSZp967sVa5Jy+7n19leZ7OCZXfrJj/Qrs498dFOeFS4HJwOs3ZrAM2+JFdyCtDaCFIz/5f7UKzMsUWBzpBi4lLzKzsr+XZao5nUSTnHPILW8= 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=f0Vmiue8; 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="f0Vmiue8" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id CD8CE40E0216; Mon, 3 Mar 2025 16:13:11 +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 IsZcfeCl6fyz; Mon, 3 Mar 2025 16:13:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1741018387; bh=a7d3OQWLlYtIW0Sa9YO6WXK8u1xaFpZbNw5AxsoA188=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=f0Vmiue8VOK/s5vvq1xnKXZaphj2JV1kNdAUdnMehcMmXKLQXC6xz59IqwNwmq4/Y fuAlUJOjGFj4GD0GWADa2kex0oQPXDPQe/9Bi4Wv+a9mRM573Ou0y5VG+loTAWFDe5 gVSV3ls+pwj2sRe2ZPE+77Anxv3tziyu0nBR2llbsBpGkICq1QvezWEzw0qaKihpK5 4bU1GUS8gBnuTXC3E81ih9KUYAnLjI6F0fc4A9aFJd0vUB53KG/M5tQPwdu7nUoxw5 8wwn5FZJviPvvSgcA3OMaSPjqrPPtpj4JZ+vUg3tpoJw4hNJOGFyUg2OMlDS+UKfev 2DGYJTTVgEeVkUhfYty+OLoc0D8ah0sweWMB/UlfU/kanwGEv3f29zA+Av6HhHL2qh VxdpcuIq6NNTq2z3un8PK/+NXJmJy3TDfJvuATszxUASAht2xcRLDP0sTZGJ/qoGcE no8jNudICOLMeEIAFCz/eIoffo1k7JL9Bp4heBAxH1eCmWZM63BniEOG56PTmkq9qn CWjIJVG73feKBmaYK0qlPUYse+jl91sf2VoYDSescReux2iz3gkF/5RKn1KSjk8CiZ 6tTFp2IW0LPUqkVQTJB0hO/7skh4VYSRqBPNtfEtKZhsv14oKEIZR8HJr/Yyw/8hNf XO7NGaxpOBktUAp3fztgkcg4= Received: from zn.tnic (pd95303ce.dip0.t-ipconnect.de [217.83.3.206]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id E56D740E0214; Mon, 3 Mar 2025 16:12:58 +0000 (UTC) Date: Mon, 3 Mar 2025 17:12:53 +0100 From: Borislav Petkov To: Brendan Jackman Cc: Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , linux-kernel@vger.kernel.org, Peter Zijlstra Subject: Re: [PATCH 0/3] x86/cpu: Followups to adding setcpuid= Message-ID: <20250303161253.GLZ8XVBbWhTG36m3vH@fat_crate.local> References: <20250303-setcpuid-taint-louder-v1-0-8d255032cb4c@google.com> 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-Disposition: inline In-Reply-To: <20250303-setcpuid-taint-louder-v1-0-8d255032cb4c@google.com> On Mon, Mar 03, 2025 at 03:45:36PM +0000, Brendan Jackman wrote: > To: Thomas Gleixner > To: Ingo Molnar > To: Borislav Petkov > To: Dave Hansen > To: x86@kernel.org > To: H. Peter Anvin > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Brendan Jackman > > Followup to this patchset: > > https://lore.kernel.org/linux-kernel/20250218-force-cpu-bug-v3-0-da3df43d1936@google.com/ > > Note that some of these changes were actually a part of that patchset > originally, but got lost as the v2 was merged, apparently due to > confusion stemming from Lore losing data. > > --- > Brendan Jackman (3): > x86/cpu: Remove some macros about feature names > x86/cpu: Warn louder about {set,clear}cpuid > x86/cpu: Log CPU flag cmdline hacks more verbosely > > arch/x86/include/asm/cpufeature.h | 5 ---- > arch/x86/kernel/cpu/common.c | 62 +++++++++++++++++++++++---------------- > 2 files changed, 37 insertions(+), 30 deletions(-) > --- LGTM. Acked-by: Borislav Petkov (AMD) -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette