From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marco Stornelli Subject: Re: [PATCH v2] char drivers: Ram oops/panic logger Date: Wed, 10 Mar 2010 09:02:06 +0100 Message-ID: <2ea1731b1003100002w104633ffy1ae46ef3d245e5b5@mail.gmail.com> References: <4B968834.3040609@gmail.com> <21eaeb5a1003091808s2d7638cxd524952a7d84b378@mail.gmail.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=sPLIcA5Ym2Hc5hAVZErlu6trZddX6c4IDvayyWH1QdM=; b=QHA6VLtlhIIi05Ul6G4tNdXBSvPrpnwjC1iOr3AKkCXaN0C27HSuxRZFUNS9FFauxy BSh9DmB66DY0fHFtSaLhu4LG+qlNa8qoeGpUmw5sl1byrHc+6a14+hzP8rj3ISq4cqgV OXm04qri1ywt6SvvVigk1Qm8aiwk7IvCMWATE= In-Reply-To: <21eaeb5a1003091808s2d7638cxd524952a7d84b378@mail.gmail.com> Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Yuasa Yoichi Cc: Linux Kernel , Linux Embedded 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