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 4.72 #1 (Red Hat Linux)) id 1PXrX3-0005z4-A5 for kexec@lists.infradead.org; Wed, 29 Dec 2010 08:37:22 +0000 From: ebiederm@xmission.com (Eric W. Biederman) References: <4D18F798.4010708@zytor.com> <20101228000651.GB4142@redhat.com> <4D192BC3.8040802@zytor.com> <4D1A4469.2060000@zytor.com> <4D1AD463.9050202@zytor.com> Date: Wed, 29 Dec 2010 00:37:04 -0800 In-Reply-To: <4D1AD463.9050202@zytor.com> (H. Peter Anvin's message of "Tue, 28 Dec 2010 22:25:39 -0800") Message-ID: MIME-Version: 1.0 Subject: Re: How does kdump deal with trampoline allocation? 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=infradead.org@lists.infradead.org To: "H. Peter Anvin" Cc: Yinghai Lu , "kexec@lists.infradead.org" , Vivek Goyal "H. Peter Anvin" writes: > On 12/28/2010 08:13 PM, Eric W. Biederman wrote: >> "H. Peter Anvin" writes: >>> >>> Well, the trampoline is optional only on 32 bits, and with my changes, >>> it would be unconditional. >> >> What motivates your trampoline rewrite? >> > > The fact that so far four different pieces of code have low memory > trampolines, and each is implemented differently. Furthermore, I'm > currently being forced to work on a fifth. This unifies all that code, > but it also makes it unconditional since at least reboot=bios is always > going to need to be there. That makes some sense. I remember seeing your complaining about how many different flavors of physical page tables we have. When your patches are ready cc me and I will be happy to look them over and see if I can spot anything you might have missed. Eric _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec