Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751878AbbEGCFe (ORCPT ); Wed, 6 May 2015 22:05:34 -0400 Received: from mga09.intel.com ([134.134.136.24]:49515 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751803AbbEGCFd convert rfc822-to-8bit (ORCPT ); Wed, 6 May 2015 22:05:33 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,382,1427785200"; d="scan'208";a="706444627" From: "Wu, Feng" To: "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" CC: "linux-kernel@vger.kernel.org" , "jiang.liu@linux.intel.com" , "Wu, Feng" Subject: RE: [v4 0/3] prerequisite changes for VT-d posted-interrupts Thread-Topic: [v4 0/3] prerequisite changes for VT-d posted-interrupts Thread-Index: AQHQgxVmRMlJkmb970K5JJ7booaMTJ1vzOlQ Date: Thu, 7 May 2015 02:05:28 +0000 Message-ID: References: <1430377608-10490-1-git-send-email-feng.wu@intel.com> In-Reply-To: <1430377608-10490-1-git-send-email-feng.wu@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2626 Lines: 66 Hi Thomas, Ping.. Since Liu Jiang's IRQ work has already been in the tip tree for a while, I think It is time to send this series again based on the x86/apic branch of tip tree. It would be very appreciated if you can have a look at this series! Thanks, Feng > -----Original Message----- > From: Wu, Feng > Sent: Thursday, April 30, 2015 3:07 PM > To: tglx@linutronix.de; mingo@redhat.com; hpa@zytor.com > Cc: linux-kernel@vger.kernel.org; jiang.liu@linux.intel.com; Wu, Feng > Subject: [v4 0/3] prerequisite changes for VT-d posted-interrupts > > VT-d Posted-Interrupts is an enhancement to CPU side Posted-Interrupt. > With VT-d Posted-Interrupts enabled, external interrupts from > direct-assigned devices can be delivered to guests without VMM > intervention when guest is running in non-root mode. > > You can find the VT-d Posted-Interrtups Spec. in the following URL: > http://www.intel.com/content/www/us/en/intelligent-systems/intel-technolog > y/vt-directed-io-spec.html > > This series implement some prerequisite parts for VT-d posted-interrupts. It > was part of > http://thread.gmane.org/gmane.linux.kernel.iommu/7708. To make things > clear, I will divide > the whole series which contain multiple components into three parts: > - prerequisite changes (included in this series) > - IOMMU part (v4 was reviewed, some comments need to be addressed) > - KVM and VFIO parts (will send out this part once the first two parts are > accepted) > > This series is rebased on the x86-apic branch of tip tree. > > Feng Wu (3): > genirq: Introduce irq_set_vcpu_affinity() to target an interrupt to a > VCPU > x86, irq: Implement irq_set_vcpu_affinity for pci_msi_ir_controller > x86, irq: Define a global vector for VT-d Posted-Interrupts > > arch/x86/include/asm/entry_arch.h | 2 ++ > arch/x86/include/asm/hardirq.h | 1 + > arch/x86/include/asm/hw_irq.h | 2 ++ > arch/x86/include/asm/irq_vectors.h | 1 + > arch/x86/kernel/apic/msi.c | 1 + > arch/x86/kernel/entry_64.S | 2 ++ > arch/x86/kernel/irq.c | 27 +++++++++++++++++++++++++++ > arch/x86/kernel/irqinit.c | 2 ++ > include/linux/irq.h | 6 ++++++ > kernel/irq/chip.c | 14 ++++++++++++++ > kernel/irq/manage.c | 20 ++++++++++++++++++++ > 11 files changed, 78 insertions(+) > > -- > 2.1.0 -- 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/