Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756305AbWLEXuQ (ORCPT ); Tue, 5 Dec 2006 18:50:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756952AbWLEXuQ (ORCPT ); Tue, 5 Dec 2006 18:50:16 -0500 Received: from terminus.zytor.com ([192.83.249.54]:51225 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756305AbWLEXuO (ORCPT ); Tue, 5 Dec 2006 18:50:14 -0500 Message-ID: <457605A5.1060401@zytor.com> Date: Tue, 05 Dec 2006 15:49:57 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 1.5.0.8 (X11/20061107) MIME-Version: 1.0 To: Zhao Forrest CC: dely.l.sy@intel.com, greg@kroah.com, linux-kernel@vger.kernel.org Subject: Re: Is there way to reserve more MMIO resource for PCIE-hotplug-capable slot? References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 709 Lines: 20 Zhao Forrest wrote: > Hi, > > Sometimes we could hotplug a PCIE device, which require more MMIO > resource than that reserved by BIOS. > > My question is: is there a way for kernel to reserved more MMIO > resource for a PCIE-hotplug-capable slot? I searched the > kernel-parameters.txt, but didn't find any related information. > If you need 32-bit MMIO, no, because it requires chipset-specific reprogramming. 64-bit MMIO should be readily available. -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/