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[147.75.48.161]) by mx.google.com with ESMTPS id e6-20020aa79806000000b006edb9c01481si8238435pfl.78.2024.04.15.11.00.06 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Apr 2024 11:00:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-145685-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=alien8.de dmarc=pass fromdomain=alien8.de); spf=pass (google.com: domain of linux-kernel+bounces-145685-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-145685-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 2B3BEB2230E for ; Mon, 15 Apr 2024 18:00:02 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 67578137763; Mon, 15 Apr 2024 17:59:55 +0000 (UTC) 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 6232F1E877 for ; Mon, 15 Apr 2024 17:59:52 +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=1713203994; cv=none; b=G3n8UKjdp2Fv3pvFSpyuqQbBFEY5JYz37VWtICH/ADz8OA9KYftT5k6mhnDIEL1nzfryQIdL5jTxn8uXBByhlSZv3AOMG5BchCZAzsuDOiqk4zaI0HGqNTP+yAlv27YhWCsoF3ockrkEyc8gnEohotG4CkH50diaEVDvQwFsh+A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713203994; c=relaxed/simple; bh=n12H2AcXe/G7fDq4Ayn11voWzAaVMt96sN1Ga2WKu5o=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=LBeWWfbyfSdoEz+J7Iz57XzsCt8s2TT/WVug0Ivnq5gL5s49PHNhb1HfVYNfL+3oTxdEbo59D5CHpzTAXXUYv3pjYGZLWDzU+ID3hdsh4rfbMUyDvI7PDca+4cgi7YyDevKna/NxvWdQpeKymBtWpVMAcNexZyxxHBtHQppQbH4= 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; 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 Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id E2DDB40E0187; Mon, 15 Apr 2024 17:59:43 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.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 B2ZEUQpsPhhK; Mon, 15 Apr 2024 17:59:38 +0000 (UTC) Received: from zn.tnic (pd953020b.dip0.t-ipconnect.de [217.83.2.11]) (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 6F31040E01C5; Mon, 15 Apr 2024 17:59:19 +0000 (UTC) Date: Mon, 15 Apr 2024 19:59:12 +0200 From: Borislav Petkov To: "Huang, Kai" Cc: "Kirill A. Shutemov" , linux-kernel@vger.kernel.org, x86@kernel.org, dave.hansen@intel.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, luto@kernel.org, peterz@infradead.org, rick.p.edgecombe@intel.com, thomas.lendacky@amd.com, ashish.kalra@amd.com, chao.gao@intel.com, bhe@redhat.com, nik.borisov@suse.com, pbonzini@redhat.com, seanjc@google.com Subject: Re: [PATCH v3 1/5] x86/kexec: do unconditional WBINVD for bare-metal in stop_this_cpu() Message-ID: <20240415175912.GAZh1q8GgpY3tpJj5a@fat_crate.local> References: <33b985a8f4346f4bcf0944eaf37193a906b11af3.1712493366.git.kai.huang@intel.com> <4875349a-90e5-4a04-8a56-7d172b17e245@intel.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: <4875349a-90e5-4a04-8a56-7d172b17e245@intel.com> On Thu, Apr 11, 2024 at 09:54:13AM +1200, Huang, Kai wrote: > Could you be more specific? > > I was following Boris's suggestion to summerize all the discussion around > the "unconditional WBINVD" issue. > > https://lore.kernel.org/linux-kernel/20240228110207.GCZd8Sr8mXHA2KTiLz@fat_crate.local/ > > I can try to improve if I can know specifically what should be trimmed down. No, keep it this way. I've yet to see someone complaining from too verbose commit message while doing git archeology. If it is too verbose to a reader, then that reader can jump over the paragraphs. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette