From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:57622 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750826Ab2IEIzM convert rfc822-to-8bit (ORCPT ); Wed, 5 Sep 2012 04:55:12 -0400 From: "Kaneshige, Kenji" To: Yinghai Lu CC: "Izumi, Taku" , "linux-pci@vger.kernel.org" , "bhelgaas@google.com" , "linux-acpi@vger.kernel.org" , "jiang.liu@huawei.com" Subject: RE: [PATCH v2 2/6] ACPI, PCI: Notify acpi_pci_drivers when hot-plugging PCI root bridges Date: Wed, 5 Sep 2012 08:55:09 +0000 Message-ID: <4A338DB2991D2A44B9A44B8718AECF650A4A4817@G01JPEXMBYT03> References: <20120903165831.29aed72c.izumi.taku@jp.fujitsu.com> <20120903170442.c406455c.izumi.taku@jp.fujitsu.com> <4A338DB2991D2A44B9A44B8718AECF650A4A2DCD@G01JPEXMBYT03> <4A338DB2991D2A44B9A44B8718AECF650A4A4240@G01JPEXMBYT03> In-Reply-To: Content-Type: text/plain; charset="iso-2022-jp" MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org List-ID: > -----Original Message----- > From: yhlu.kernel@gmail.com [mailto:yhlu.kernel@gmail.com] On Behalf Of > Yinghai Lu > Sent: Wednesday, September 05, 2012 2:02 PM > To: Kaneshige, Kenji/金重 憲治 > Cc: Izumi, Taku/泉 拓; linux-pci@vger.kernel.org; bhelgaas@google.com; > linux-acpi@vger.kernel.org; jiang.liu@huawei.com > Subject: Re: [PATCH v2 2/6] ACPI, PCI: Notify acpi_pci_drivers when > hot-plugging PCI root bridges > > On Tue, Sep 4, 2012 at 9:32 PM, Kaneshige, Kenji > wrote: > > > > Ok, my understanding of your comment is that IOAPIC and DMAR drivers are > implemented > > as ACPI PCI driver (or you have a plan to implement IOAPIC and DMAR drivers > as ACPI > > PCI driver), and those drivers need to be loaded before PCI device drivers. > Is my > > understanding correct? > > yes. > > for ioapic: > http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a= > shortlog;h=refs/heads/for-x86-irq > > for iommu: > http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a= > shortlog;h=refs/heads/for-iommu > Thank you for answering. Though I've not looked at those trees yet, the idea, which utilize ACPI pci driver to load ioapic and dmar driver, looks good to me. Regards, Kenji Kaneshige