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[209.132.180.67]) by mx.google.com with ESMTP id h1si10172832plt.44.2018.12.10.10.37.06; Mon, 10 Dec 2018 10:37:22 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=bFVRFebk; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728822AbeLJSck (ORCPT + 99 others); Mon, 10 Dec 2018 13:32:40 -0500 Received: from mail.skyhub.de ([5.9.137.197]:58424 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728191AbeLJSck (ORCPT ); Mon, 10 Dec 2018 13:32:40 -0500 Received: from zn.tnic (p200300EC2BCAD0009567F52EDB121050.dip0.t-ipconnect.de [IPv6:2003:ec:2bca:d000:9567:f52e:db12:1050]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 2346E1EC0B1A; Mon, 10 Dec 2018 19:32:38 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1544466758; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=AnYQxsLg5VLYWmdi1oAOl6F1M7J8PNaU8ra3mMt6E14=; b=bFVRFebkcKmTz/0nqijmCluZ/7Vi+valJqfkmk/tyMBuFCysvBzOzP2kGSFg6d8fsC2JWh yDs6r+J/25stHBQNgeRIFO2pdPI5jDyzvAjch4JKL3FHY3VDO7eE9LNfTqP2he/uYTIHm9 iLM5oWPaxrCaydLMNzh0j0ExNpBs2wg= Date: Mon, 10 Dec 2018 19:32:21 +0100 From: Borislav Petkov To: Kazuhito Hagio Cc: lijiang , "linux-doc@vger.kernel.org" , "bhe@redhat.com" , Jonathan Corbet , "x86@kernel.org" , "kexec@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "mingo@redhat.com" , "tglx@linutronix.de" , "dyoung@redhat.com" , "akpm@linux-foundation.org" Subject: Re: [PATCH 1/2 v2] kdump: add the vmcoreinfo documentation Message-ID: <20181210183221.GA5482@zn.tnic> References: <20181202030839.29945-1-lijiang@redhat.com> <20181202030839.29945-2-lijiang@redhat.com> <20181203150809.GA4794@zn.tnic> <779dbae7-f6e2-e9e4-bdd0-0a9e6ec62487@redhat.com> <20181205113032.GF29510@zn.tnic> <3d1a7e68-34c5-d118-fe09-7c9bc14cce84@redhat.com> <4AE2DC15AC0B8543882A74EA0D43DBEC0356426E@BPXM09GP.gisp.nec.co.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4AE2DC15AC0B8543882A74EA0D43DBEC0356426E@BPXM09GP.gisp.nec.co.jp> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 05, 2018 at 08:29:14PM +0000, Kazuhito Hagio wrote: > Please note that this VMCOREINFO is generated from the information in > the vmlinux only, not from the running kernel and /proc/kcore. So if > we add a command to dump it from running kernel, it's not suitable. Sure, I used a vmlinux for that. > makedumpfile doesn't have any switch which dumps VMCOREINFO from kcore > for now. (I'm thinking to have makedumpfile dump it as debug message, > though.) Might be useful as people are looking into using VMCOREINFO when debugging a live kernel... -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.