From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f174.google.com ([209.85.213.174]:33070 "EHLO mail-ig0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752155AbbFSQKF (ORCPT ); Fri, 19 Jun 2015 12:10:05 -0400 Received: by igbqq3 with SMTP id qq3so19551475igb.0 for ; Fri, 19 Jun 2015 09:10:05 -0700 (PDT) Date: Fri, 19 Jun 2015 11:10:01 -0500 From: Bjorn Helgaas To: Jiang Liu Cc: Thomas Gleixner , "Rafael J . Wysocki" , LKML , linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, "x86 @ kernel . org" Subject: Re: [Patch v3 0/4] Introduce a mechanism to allocate PCI IRQ on demand Message-ID: <20150619161001.GJ7710@google.com> References: <1433926501-22956-1-git-send-email-jiang.liu@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1433926501-22956-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-pci-owner@vger.kernel.org List-ID: On Wed, Jun 10, 2015 at 04:54:57PM +0800, Jiang Liu wrote: > Hi Bjorn, > I have verified that this patch set could be applied to the > mainstream kernel without dependency on other patches, so could you > please help to merge it? I already acked these and said I was willing to merge them and that I was hoping for an ack from Thomas. Any thoughts, Thomas? > This patch set introduces a mechanism to allocate PCI IRQ on demand and > free it when not used anymore by hooking pci_device_probe() and > pci_device_remove(). > > It will be used to track IOAPIC pin usage on x86 so we could support > IOAPIC hot-removal. > > The patch set passes Fengguang's 0day test suite. > > V2->V3: > 1) Change the default pcibios_alloc_irq() to always return 0, as > suggested by Bjorn. > 2) Refine comments. > > V1->V2: > 1) Refine pci_device_probe() to optimize for mainline code as suggested > by Bjorn > 2) Reorder patch set to put optional patch as the last (Patch 4) > > > Jiang Liu (4): > PCI: Add hooks to allocate/free IRQ resources when binding/unbinding > driver > PCI, x86: Allocate PCI IRQ on demand and free it when not used > anymore > PCI: Add helpers to manage pci_dev->irq and pci_dev->irq_managed > PCI, MSI: Free legacy PCI IRQ when enabling MSI/MSI-X > > arch/x86/include/asm/pci_x86.h | 2 -- > arch/x86/pci/common.c | 20 +++++++++----------- > arch/x86/pci/intel_mid_pci.c | 9 ++++++--- > arch/x86/pci/irq.c | 23 ++++------------------- > drivers/acpi/pci_irq.c | 17 ++++------------- > drivers/pci/msi.c | 6 +++++- > drivers/pci/pci-driver.c | 26 ++++++++++++++++++++------ > include/linux/pci.h | 19 +++++++++++++++++++ > 8 files changed, 67 insertions(+), 55 deletions(-) > > -- > 1.7.10.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in