Received: by 2002:ab2:6203:0:b0:1f5:f2ab:c469 with SMTP id o3csp1175894lqt; Sat, 20 Apr 2024 04:09:06 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCXHWyy3XUOOnlijvc/fUCsRh1JHrYVxKksrtxasGnggbFlYg/8kXxvJ5e1M7Egiqh9cNLther14UlmApqMbeV5s4GAo3oe9ANM3Gys3Cg== X-Google-Smtp-Source: AGHT+IHvAeNHYjfe3a6Mw/3PiFOBCmAdIsY7QtZkPty2kEXYOQg7Bo3IHR3Jq0PQrPhf6MLMjHqW X-Received: by 2002:a05:6512:48d8:b0:517:870b:a13d with SMTP id er24-20020a05651248d800b00517870ba13dmr3295558lfb.37.1713611346661; Sat, 20 Apr 2024 04:09:06 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1713611346; cv=pass; d=google.com; s=arc-20160816; b=gEJtb+XPfRxYc2IdJv02JPhf8d1ZjObsuC4qmPTAFZ3M9cvR+RbfDxiUGAOWKPHC9b zmqeq1/GlPOUl05HG9fCc0FWaA7GD3fuCiODseUZBFfh9C31qZP6O7HVuq5cDE7m3wUL K1TrDonYe2acmRIK1cS3FlmW05ERjdFYD2Gku6LM0pghC6zMjlwlCLIFFannNPjeD6nA ek/3Xn5HUIfIv6JKRT+2UX2vrO87vAbhN50YQwiB9WO9kxJLkANr/Dj91R5l0+eKui9R 4f4BGAf1TWDiTPhAjldD1JP8gcj2vGz4oBnsXRfw+/PtZhm78E0HdPIo9GM0q4hRsUzk KBRg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=in-reply-to:content-disposition:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:message-id:subject:cc :to:from:date; bh=sCE6wrEaenJJkVJ/mYhSvp7x131xnB5h7snHHCXxLiU=; fh=tqgG4IaX0v6HipduM/wwx4BIstrSXvAOicQ0bAdpL0g=; b=gwxyO7IBcdZMET0GFX3l7UWoU0gMnuZEthUh41rcVDqKaUUL47jAovOm6alcYzpdEk DZ1xj3PSXdbAB/X5eLUJ3St7EGEkfCZnh/kKMToSR5LNyXcUQ5dDZaDRNBHLhyg1n0t3 6oFWmtgJXzTBHbMYNo+MDOR25e1L0Ef32MsbOgAqb1VP1W0bs/YPfn0wFDjYKzzkIjYe xTsaqmtgKUIb0xfAU538tI5jEs6KzqBtdDIP/1PRjEk9O8CHlpwMZesa9zCzcgjAvUmC CvV1PPaqyxeTFCHWCGtBBwxeD54EGY/9C5Ei205zfxAeSDNLANeDYElJQzsvm9AdUmuj ruPA==; dara=google.com ARC-Authentication-Results: i=2; 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-152239-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-152239-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [147.75.80.249]) by mx.google.com with ESMTPS id n30-20020a50935e000000b00571daf8973dsi1445246eda.398.2024.04.20.04.09.06 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Apr 2024 04:09:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-152239-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; 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-152239-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-152239-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 am.mirrors.kernel.org (Postfix) with ESMTPS id F2CE81F211A2 for ; Sat, 20 Apr 2024 11:09:05 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 264DA29417; Sat, 20 Apr 2024 11:09:00 +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 3576F23778 for ; Sat, 20 Apr 2024 11:08:56 +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=1713611339; cv=none; b=hu2G+ArfmNncbzPEbhPMM0WjsCxzPONoSNY7fDbsl5Gj5gFhmp3wgYhlhBc1WZtcKxJ9ulMtVof6X7zLHQua/AlHHznrjCr+q2wgwqJA2dI21UtajZre/NcNQv5qsgHNj8JU2c/gPCebDzqZdbRsNyM/YbjyRcA9miDXl+W2GLI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713611339; c=relaxed/simple; bh=AGRBDb449gGpaYUhpohdXAOTNbnkf24CKApPLQ0xoCo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KJIYODSNR21bBIrD8xE/lTXPwV6iyI4aTxDris730cH/wy2LNgL67wkePqXhNnziCRFU3Ouo26Zsiu72COepEC7pOG0Ed3pDuvXwyOVqZ5H3xeG+bgDl4cSSWjydNnfpqb0RrQAYw4DI8RPzTWemS37U3aJnSzuRr5XwuLiF1Ms= 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 14DC140E0187; Sat, 20 Apr 2024 11:08:55 +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 pHlnwX_HrWs5; Sat, 20 Apr 2024 11:08:50 +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 42CBD40E016C; Sat, 20 Apr 2024 11:08:44 +0000 (UTC) Date: Sat, 20 Apr 2024 13:08:36 +0200 From: Borislav Petkov To: Ashish Kalra Cc: thomas.lendacky@amd.com, michael.roth@amd.com, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 0/2] Apply RMP table fixups for kexec. Message-ID: <20240420110812.GLZiOiHNP4Q6YmWOLl@fat_crate.local> References: 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: Drop linux-tip-commits@vger.kernel.org from Cc. On Mon, Apr 15, 2024 at 09:08:56PM +0000, Ashish Kalra wrote: > From: Ashish Kalra > > Handle cases where the RMP table placement in the BIOS is > not 2M aligned and then the kexec kernel could try to allocate > from within that chunk and that causes a fatal RMP fault. Is this something that happens on existing systems currently so that it needs to be fixed upstream? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette