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 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