From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.lixom.net (lixom.net [66.141.50.11]) by ozlabs.org (Postfix) with ESMTP id 7492A67B14 for ; Sun, 25 Jun 2006 09:28:35 +1000 (EST) Date: Sat, 24 Jun 2006 16:23:50 -0700 To: Haren Myneni Subject: Re: [PATCH] powerpc: kdump: Reserve the existing TCE mappings left by the first kernel Message-ID: <20060624232350.GB11299@pb15.lixom.net> References: <449B8B9E.2050802@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <449B8B9E.2050802@us.ibm.com> From: Olof Johansson Cc: Olof Johansson , linuxppc-dev@ozlabs.org, Paul Mackerras List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Jun 22, 2006 at 11:35:10PM -0700, Haren Myneni wrote: > Paul, Olof, > > tce_union got removed in powerpc.git tree. Hence reposting the patch > created against this tree. This patch is implemented based on Olof's > suggestion of reserving TCE entries and use only available ones in the > kdump boot and tested on P5, P4, JS20 and JS21 machines. > > If you are OK with this patch, please send it to upstream. Looks good to me. Other platforms can add get_tce pointers later as needed. > sending to remote machine). Hence, this patch will make sure that > minimum of 2048 entries will be available such that kdump boot could be > successful in some cases. Heh, I was pretty sure 10 was way too little. Good to see a number. > Signed-off-by: Haren Myneni Acked-by: Olof Johansson -Olof