From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754710Ab0CJICK (ORCPT ); Wed, 10 Mar 2010 03:02:10 -0500 Received: from mail-ww0-f46.google.com ([74.125.82.46]:33148 "EHLO mail-ww0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751446Ab0CJICI (ORCPT ); Wed, 10 Mar 2010 03:02:08 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=RvyEtbzOAf6bAunrKTnbDqvvz6P5J5TCBG4KrYIVcLeqMz2PGJxtM5WzWGcKL8cm1P 9SgL2NnMvJn+RZ71Nh+QJOilr7WcMI/erlHjx2VGkCSU5tck0wLwqrjKYtRBZSK1JuXY f8VyBZH2T53erCGKnpDNtzBcEcJa6CWZe3Zh4= MIME-Version: 1.0 In-Reply-To: <21eaeb5a1003091808s2d7638cxd524952a7d84b378@mail.gmail.com> References: <4B968834.3040609@gmail.com> <21eaeb5a1003091808s2d7638cxd524952a7d84b378@mail.gmail.com> Date: Wed, 10 Mar 2010 09:02:06 +0100 Message-ID: <2ea1731b1003100002w104633ffy1ae46ef3d245e5b5@mail.gmail.com> Subject: Re: [PATCH v2] char drivers: Ram oops/panic logger From: Marco Stornelli To: Yuasa Yoichi Cc: Linux Kernel , Linux Embedded Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2010/3/10 Yuasa Yoichi : > Hi, > > 2010/3/10 Marco Stornelli : >> Ramoops, like mtdoops, can log oops/panic information but in RAM. > > What is different from mtdoops + mtd-ram? > > Yoichi > It can be used in a very easy way with persistent RAM for systems without flash support. For this systems, with this driver, it's no more needed add to the kernel the mtd subsystem with advantage in footprint as I said in the description. In addition, you can save flash space and store this information only in RAM. I think it's very useful for embedded systems. Marco