From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754095Ab3FQVGt (ORCPT ); Mon, 17 Jun 2013 17:06:49 -0400 Received: from mail-qe0-f50.google.com ([209.85.128.50]:52467 "EHLO mail-qe0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753932Ab3FQVGr (ORCPT ); Mon, 17 Jun 2013 17:06:47 -0400 Date: Mon, 17 Jun 2013 14:06:36 -0700 From: Tejun Heo To: Tang Chen Cc: tglx@linutronix.de, mingo@elte.hu, hpa@zytor.com, akpm@linux-foundation.org, trenn@suse.de, yinghai@kernel.org, jiang.liu@huawei.com, wency@cn.fujitsu.com, laijs@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, mgorman@suse.de, minchan@kernel.org, mina86@mina86.com, gong.chen@linux.intel.com, vasilis.liaskovitis@profitbricks.com, lwoodman@redhat.com, riel@redhat.com, jweiner@redhat.com, prarit@redhat.com, x86@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, "Rafael J. Wysocki" , linux-acpi@vger.kernel.org Subject: Re: [Part1 PATCH v5 04/22] x86, ACPI: Search buffer above 4GB in a second try for acpi initrd table override Message-ID: <20130617210636.GO32663@mtj.dyndns.org> References: <1371128589-8953-1-git-send-email-tangchen@cn.fujitsu.com> <1371128589-8953-5-git-send-email-tangchen@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1371128589-8953-5-git-send-email-tangchen@cn.fujitsu.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 13, 2013 at 09:02:51PM +0800, Tang Chen wrote: > From: Yinghai Lu > > Now we only search buffer for new acpi tables in initrd under > 4GB. In some case, like user use memmap to exclude all low ram, > we may not find range for it under 4GB. So do second try to > search for buffer above 4GB. > > Since later accessing to the tables is using early_ioremap(), Maybe "later accesses to the tables" would read better? > using memory above 4GB is OK. > > Signed-off-by: Yinghai Lu > Cc: "Rafael J. Wysocki" > Cc: linux-acpi@vger.kernel.org > Tested-by: Thomas Renninger > Reviewed-by: Tang Chen > Tested-by: Tang Chen Acked-by: Tejun Heo Thanks. -- tejun