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 103DD10F2 for ; Sat, 30 Aug 2025 09:25:33 +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=1756545938; cv=none; b=anXhEflogSrggUU0QXag7+yv7ytzbq2c2iiB73ZMRUpPHytdDtO8pwaS50p0kGHfnVgfUMYJnTlAe25KPGOTeHOG+XcUQoRULhVlpfBLddx/ggEtN9GNnrDg9rAXZCsr3RfssByAH9hrPUbDLwKnYE3PTUdw+89WT8WV6sKNWrg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756545938; c=relaxed/simple; bh=BF7xX4B2+0QDbBe4ABHvaA6gq/vEXrYmUgMAo1IsbnI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E90ePIPlTgXjL1WcjJqP0VMZJ2k3pqcPXrlMJEz0kFFZlrKg5dR25KWFcDSLfw+8yuvl/+D0GckN8IJ2wnI1D6vrfxEESLheBYWVaxw1XiKf9lR6TLaDjJtnR7O71VU1JnYX53jedp4jTUeZ5nTi1DSptzR825r4VPK4kLY0aYI= 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=gIj1QqjN; 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="gIj1QqjN" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 7D90840E016C; Sat, 30 Aug 2025 09:25:31 +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 lqsYyd9qyKmq; Sat, 30 Aug 2025 09:25:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1756545927; bh=jLeZMAZIodGrySmmcoRpSKYryUzqyXGWLc65wZY7qj0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=gIj1QqjNvb0wh1HD5zR6RPMpiHrhPky1bW3pq0noO10Du/+6TRV7T/U87lbK1hq4B +Rl7X7wL85+PS0dH/VOJ1tNs6RghM3htre/SMpVrRLk7Sc9ap2HBSiLil//30varD5 WOAoTTzc16GDsO13Slgr36XK4h6/GTWUI7saRn7bUxWedhlTzc4BFunDZKfnemiCt2 4mhkB+QmLpbbOZjWp1PdqSfyi/GFLZK2vFQFOZMN29A1fMxwulk2i8xRLRIquZthqa E/TP0W4FiN2ZttuaL7O4A97DtO6lsC953+8jYrCCAT+16UVyaZbOkS4uzV3ddez/sz i3p71gUlTHZAXnz9Fl2ykWvfhtGcizGyJIBKa97kl0uY9eLr8Ry1SEc8qiNwyTtQ61 dd6/LUp6q+6+ZA+h4Rn9Dwm6QG/HG340QVEN7GzYj+FPYqmtciHePQyubtmJF0FoGI CkuYoBkqT/E82Rh3BPb8bYMiKLIJBiiklLgP8B5zKUMi/r9FQLDPdPcLgrfOQh6Cpg Om1qSmmFz4vlCfTh9Siknbvjn5PCLVzd5cJsJ08JAUlXsu7kEp8sOaXKAQ5zwXwTyi gkJCnUyZ8sndwI7HruQSYmfQj9rvwbEjFIiT6LcR7mOlz9ta43iumNeWN6igShCe9D CsVm2lwkpecEm6+dgfps2Ph0= Received: from zn.tnic (pd953092e.dip0.t-ipconnect.de [217.83.9.46]) (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 UTF8SMTPSA id 952C340E00DA; Sat, 30 Aug 2025 09:25:22 +0000 (UTC) Date: Sat, 30 Aug 2025 11:25:14 +0200 From: Borislav Petkov To: Sohil Mehta Cc: Borislav Petkov , X86 ML , "Chang S. Bae" , LKML Subject: Re: [PATCH -v1 2/2] x86/microcode: Add microcode loader debugging functionality Message-ID: <20250830092514.GAaLLDepwTQpZG5KnR@fat_crate.local> References: <20250820135043.19048-1-bp@kernel.org> <20250820135043.19048-3-bp@kernel.org> <2cd370e9-6fd8-4aed-8fe8-c8526a1ab97f@intel.com> <20250829094502.GAaLF2nkL2EtFlDGOB@fat_crate.local> 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: On Fri, Aug 29, 2025 at 04:25:13PM -0700, Sohil Mehta wrote: > My only concern is someone could easily enable it by mistake. It might > lead to unnecessary reports and debug. Maybe we print a scary dmesg log > whenever CONFIG_MICROCODE_DBG is enabled? That would be easy to spot in > reports, and hopefully it would deter folks from enabling it unnecessarily. When that happens, we'll add the cmdline switch as an additional precaution but I'm not worried - we look .configs on bug reports. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette