From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756251Ab2JQHnk (ORCPT ); Wed, 17 Oct 2012 03:43:40 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:4672 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751854Ab2JQHni (ORCPT ); Wed, 17 Oct 2012 03:43:38 -0400 X-IronPort-AV: E=Sophos;i="4.80,599,1344182400"; d="scan'208";a="6015397" Message-ID: <507E6167.6060506@cn.fujitsu.com> Date: Wed, 17 Oct 2012 15:42:31 +0800 From: Tang Chen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: Yinghai Lu CC: jiang.liu@huawei.com, bhelgaas@google.com, lenb@kernel.org, izumi.taku@jp.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] Update acpi_root_bridge_list in container hotplug path. References: <1350444308-27102-1-git-send-email-tangchen@cn.fujitsu.com> <507E60C2.6010104@cn.fujitsu.com> In-Reply-To: <507E60C2.6010104@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/10/17 15:43:16, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/10/17 15:43:17, Serialize complete at 2012/10/17 15:43:17 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/17/2012 03:39 PM, Tang Chen wrote: > On 10/17/2012 01:18 PM, Yinghai Lu wrote: >> >> no, we don't need that. >> >> after closely looking, it seems we can dump acpi_root_bridge. >> >> please check if attached patch could work with container path. > > Hi Yinghai, > > Your patch seems working well. > > BTW, I actually found that the two lists, acpi_root_bridge and > acpi_pci_roots in drivers/acpi/pci_root.c were similar, except > your acpi_root_bridge included PNP0A08. > > In the beginning, I thought you would use it in some other situations, > and now it is clear that it can be removed. > Thanks. :) > > And also, I have another 2 questions, maybe you can help me. > 1) Do we need to put PNP0A08 into acpi_pci_roots ? > 2) In container_notify_cb(), when it got a ACPI_NOTIFY_EJECT_REQUEST > event, it doesn't do the hot-remove things. > I use your sci emulator patch to test it. I did the following thing: > echo echo "\_SB_.LSB1" > /sys/kernel/debug/acpi/sci_notify ==> echo "\_SB_.LSB1 3" > /sys/kernel/debug/acpi/sci_notify > where \_SB_.LSB1 is a container, it just did nothing. > Do we need to support this operation ? > > Thanks. :) > >> >> Thanks >> >> Yinghai > > -- > 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/ >