Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755347AbYF0OG2 (ORCPT ); Fri, 27 Jun 2008 10:06:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756224AbYF0OGU (ORCPT ); Fri, 27 Jun 2008 10:06:20 -0400 Received: from ns2.suse.de ([195.135.220.15]:45099 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753549AbYF0OGT (ORCPT ); Fri, 27 Jun 2008 10:06:19 -0400 Date: Fri, 27 Jun 2008 16:06:56 +0200 From: Bernhard Walle To: Vivek Goyal Cc: x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, "Eric W. Biederman" Subject: Re: [PATCH] x86: Find offset for crashkernel reservation automatically Message-ID: <20080627160656.06f71661@halley.suse.de> In-Reply-To: <20080627134212.GC5801@redhat.com> References: <1214510048-21215-1-git-send-email-bwalle@suse.de> <20080627133256.GB5801@redhat.com> <20080627134212.GC5801@redhat.com> Organization: SUSE Linux Products GmbH X-Mailer: Claws Mail 3.4.0 (GTK+ 2.12.9; x86_64-suse-linux-gnu) X-Face: ,G!z)dEOMkc[Cu+sF64,T9^5r3b>/}#HBRL%D^j@\SZbr'Itl7q@1<*dgB?A7(_leO1Tc4^ D*WfvfwKcz;,@E^y+pNP%86n8o<&g-vToCXW:r>Y$jxY,`KT?{H!07=2|Jdt?0ba^C-Tnx50vIV8It vi&Sicl:sj`k2`y)E;ECFi;i7W-?t3%\kD*));q)+%-pQd^.r'W}oBBx=+.~Gu}&F;lS7.a-m>Rv"w pe`D'OV^?HJd$-)7<2T[naDPl6+bAj'+UYd]u]B^'.LYK$2jS Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 892 Lines: 23 * Vivek Goyal [2008-06-27 09:42]: > > Thinking more about. Let me step back. I think it is not good idea to > take this kernel take decision about the capability of kernel being > loaded. There is no way we can find out now that if a kernel is capable > of running from this memory location or not. This is highly variable. So, > please ignore above comment. Maybe below 4G makes sense. Because you need some 32 bit memory for DMA. That's mostly an architecture limitation, so that could make sense to check here. But I don't have any strong opinion about that. Bernhard -- Bernhard Walle, SUSE LINUX Products GmbH, Architecture Development -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/