From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kirsty.vergenet.net (kirsty.vergenet.net [202.4.237.240]) by ozlabs.org (Postfix) with ESMTP id 45F862C02FC for ; Fri, 13 Jul 2012 16:53:28 +1000 (EST) Date: Fri, 13 Jul 2012 15:33:10 +0900 From: Simon Horman To: "Suzuki K. Poulose" Subject: Re: [PATCH] [ppc] Do not reserve cpu spin-table for crash kernel Message-ID: <20120713063309.GF19512@verge.net.au> References: <20120524060933.14035.42732.stgit@suzukikp.in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20120524060933.14035.42732.stgit@suzukikp.in.ibm.com> Cc: B29882@freescale.com, linuxppc-dev@lists.ozlabs.org, kexec@lists.infradead.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, May 24, 2012 at 11:39:45AM +0530, Suzuki K. Poulose wrote: > As of now, the kexec reserves the spin-table for all the CPUs > on an SMP machine. The spin-table is pointed to by the > cpu-release-addr property in the device-tree. Reserving the > spin-table in the crash kernel will cause a BUG(), if the table > lies outside the memory reserved for the crashkernel. > > Disable reserving the spin-table regions and use maxcpus=1 to > use only the crashing CPU to boot the crash kernel. > > Signed-off-by: Suzuki K. Poulose Thanks, applied. Sorry for not seeing this (much) earlier.