From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from [85.21.88.6] (helo=buildserver.ru.mvista.com) by bombadil.infradead.org with esmtp (Exim 4.68 #1 (Red Hat Linux)) id 1Kkiyk-0001LL-VZ for kexec@lists.infradead.org; Tue, 30 Sep 2008 17:25:43 +0000 Date: Tue, 30 Sep 2008 21:25:40 +0400 From: Anton Vorontsov Subject: Re: [PATCH] Remove legacy kdump kernel build support Message-ID: <20080930172540.GA21378@oksana.dev.rtsoft.ru> References: <20080930124828.GA1945@in.ibm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20080930124828.GA1945@in.ibm.com> Reply-To: avorontsov@ru.mvista.com 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: Mohan Kumar M Cc: ppcdev , paulus@samba.org, kexec@lists.infradead.org On Tue, Sep 30, 2008 at 06:18:28PM +0530, Mohan Kumar M wrote: > Remove legacy kdump kernel build support > > This patch removes legacy kdump kernel build support(i.e compiling a > kdump kernel at a fixed hardcoded address 32MB). With the relocatable > kernel support its now possible to use the regular kernel binary for > capturing the dump also. Relocatable kdump kernel does not require > trampoline code for exception handlers. It removes kdump.h as most of the > macros defined in kdump.h are not used any more. Also the relocatable > kdump kernel allows us to load kdump kernel any where as specified by > crashkernel parameter instead of hardcoded address 32MB. Can we leave the legacy support for a while? On PPC32 we don't have the relocatable kernel support, but we have kdump patches floating around[1], and they use the `hard-coded values' approach, so far. I'm not sure if anybody is currently working on a PPC32 kernel relocation support.. but for sure it will take some time to implement. Thanks, [1] http://ozlabs.org/pipermail/linuxppc-dev/2008-August/061161.html -- Anton Vorontsov email: cbouatmailru@gmail.com irc://irc.freenode.net/bd2 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from buildserver.ru.mvista.com (unknown [85.21.88.6]) by ozlabs.org (Postfix) with ESMTP id DD7CE474C1 for ; Wed, 1 Oct 2008 03:25:43 +1000 (EST) Date: Tue, 30 Sep 2008 21:25:40 +0400 From: Anton Vorontsov To: Mohan Kumar M Subject: Re: [PATCH] Remove legacy kdump kernel build support Message-ID: <20080930172540.GA21378@oksana.dev.rtsoft.ru> References: <20080930124828.GA1945@in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1251 In-Reply-To: <20080930124828.GA1945@in.ibm.com> Cc: ppcdev , paulus@samba.org, kexec@lists.infradead.org Reply-To: avorontsov@ru.mvista.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Sep 30, 2008 at 06:18:28PM +0530, Mohan Kumar M wrote: > Remove legacy kdump kernel build support > > This patch removes legacy kdump kernel build support(i.e compiling a > kdump kernel at a fixed hardcoded address 32MB). With the relocatable > kernel support its now possible to use the regular kernel binary for > capturing the dump also. Relocatable kdump kernel does not require > trampoline code for exception handlers. It removes kdump.h as most of the > macros defined in kdump.h are not used any more. Also the relocatable > kdump kernel allows us to load kdump kernel any where as specified by > crashkernel parameter instead of hardcoded address 32MB. Can we leave the legacy support for a while? On PPC32 we don't have the relocatable kernel support, but we have kdump patches floating around[1], and they use the `hard-coded values' approach, so far. I'm not sure if anybody is currently working on a PPC32 kernel relocation support.. but for sure it will take some time to implement. Thanks, [1] http://ozlabs.org/pipermail/linuxppc-dev/2008-August/061161.html -- Anton Vorontsov email: cbouatmailru@gmail.com irc://irc.freenode.net/bd2