From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from out02.mta.xmission.com ([166.70.13.232]) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QQ1OS-0005uE-GL for kexec@lists.infradead.org; Fri, 27 May 2011 18:04:17 +0000 From: ebiederm@xmission.com (Eric W. Biederman) References: <20110526170722.GB23266@in.ibm.com> <20110526171521.GD17988@in.ibm.com> Date: Fri, 27 May 2011 11:04:06 -0700 In-Reply-To: <20110526171521.GD17988@in.ibm.com> (K. Prasad's message of "Thu, 26 May 2011 22:45:21 +0530") Message-ID: MIME-Version: 1.0 Subject: Re: [RFC Patch 4/6] PANIC_MCE: Introduce a new panic flag for fatal MCE, capture related information List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=twosheds.infradead.org@lists.infradead.org To: prasad@linux.vnet.ibm.com Cc: "Luck, Tony" , kexec@lists.infradead.org, Linux Kernel Mailing List , Andi Kleen , anderson@redhat.com, Vivek Goyal "K.Prasad" writes: > PANIC_MCE: Introduce a new panic flag for fatal MCE, capture related information > > Fatal machine check exceptions (caused due to hardware memory errors) will now > result in a 'slim' coredump that captures vital information about the MCE. This > patch introduces a new panic flag, and new parameters to *panic functions > that can capture more information pertaining to the cause of crash. > > Enable a new elf-notes section to store additional information about the crash. > For MCE, enable a new notes section that captures relevant register status > (struct mce) to be later read during coredump analysis. There may be a reason to pass everything struct mce through 5 layers of code but right now it looks like it just makes everything uglier to no real purpose. Eric _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec