From patchwork Wed Jan 23 12:29:06 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 2024881 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 457583FE4F for ; Wed, 23 Jan 2013 12:30:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755814Ab3AWM3z (ORCPT ); Wed, 23 Jan 2013 07:29:55 -0500 Received: from szxga01-in.huawei.com ([119.145.14.64]:1547 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755797Ab3AWM3y (ORCPT ); Wed, 23 Jan 2013 07:29:54 -0500 Received: from 172.24.2.119 (EHLO szxeml209-edg.china.huawei.com) ([172.24.2.119]) by szxrg01-dlp.huawei.com (MOS 4.3.4-GA FastPath queued) with ESMTP id AWP19136; Wed, 23 Jan 2013 20:29:49 +0800 (CST) Received: from SZXEML422-HUB.china.huawei.com (10.82.67.161) by szxeml209-edg.china.huawei.com (172.24.2.184) with Microsoft SMTP Server (TLS) id 14.1.323.7; Wed, 23 Jan 2013 20:29:24 +0800 Received: from localhost (10.135.76.69) by szxeml422-hub.china.huawei.com (10.82.67.161) with Microsoft SMTP Server id 14.1.323.7; Wed, 23 Jan 2013 20:29:18 +0800 From: Yijing Wang To: Rob Landley , Bjorn Helgaas CC: , , , Hanjun Guo , , Yijing Wang Subject: [PATCH] PCI: Document PCI Hotplug resource reservation parameters Date: Wed, 23 Jan 2013 20:29:06 +0800 Message-ID: <1358944146-28884-1-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.11.msysgit.1 MIME-Version: 1.0 X-Originating-IP: [10.135.76.69] X-CFilter-Loop: Reflected Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Document pci hotplug resource reservation parameters hpiosize and hpmemsize into Documentation/kernel-parameters.txt. The two parameters can override default hotplug io size(256 bytes) and default mem size(2M). Signed-off-by: Yijing Wang --- Documentation/kernel-parameters.txt | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1fb269b..46eff3d 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2263,6 +2263,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. the default. off: Turn ECRC off on: Turn ECRC on. + hpiosize=nn[KMG] The fixed amount of bus space which is + reserved for hotplug bridge's IO window. + Default size is 256 bytes. + hpmemsize=nn[KMG] The fixed amount of bus space which is + reserved for hotplug bridge's memory window. + Default size is 2 megabytes. realloc= Enable/disable reallocating PCI bridge resources if allocations done by BIOS are too small to accommodate resources required by all child