Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755274Ab1FHVbl (ORCPT ); Wed, 8 Jun 2011 17:31:41 -0400 Received: from mga03.intel.com ([143.182.124.21]:56294 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752090Ab1FHVbj (ORCPT ); Wed, 8 Jun 2011 17:31:39 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.65,339,1304319600"; d="scan'208";a="9486448" Message-ID: <4DEFEA3A.5050604@linux.intel.com> Date: Wed, 08 Jun 2011 14:31:38 -0700 From: "H. Peter Anvin" Organization: Intel Open Source Technology Center User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc15 Thunderbird/3.1.10 MIME-Version: 1.0 To: Matthew Garrett CC: Linus Torvalds , Yinghai Lu , Jim Bos , Ingo Molnar , Thomas Gleixner , Maarten Lankhorst , Linux Kernel Mailing List , Greg KH , Andrew Morton Subject: Re: 2.6.39.1 immediately reboots/resets on EFI system References: <20110608193833.GA29855@srcf.ucam.org> <4DEFD220.5040507@kernel.org> <20110608195250.GB30256@srcf.ucam.org> <4DEFD58D.5060402@kernel.org> <20110608200903.GA30694@srcf.ucam.org> <4DEFDA4A.9080500@kernel.org> <20110608203037.GA31052@srcf.ucam.org> <4DEFDD69.7010000@kernel.org> <20110608204244.GA31484@srcf.ucam.org> <20110608212813.GB32056@srcf.ucam.org> In-Reply-To: <20110608212813.GB32056@srcf.ucam.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 759 Lines: 18 On 06/08/2011 02:28 PM, Matthew Garrett wrote: > > E820 limits us to 128 ranges, and systems I'm looking at right now are > already using over 140 boot services regions. Some of them are > contiguous and we could just merge them for e820, but that leaves us at > the whim of whoever wrote the allocator for the firmware. And do you > want to bet on them having done this sanely? > No, we're not limited to 128. We're limited to 128 in the boot structure, but more can be passed via the linked list. -hpa -- 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/