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: t...@linutronix.de; mi...@redhat.com; h...@zytor.com > Cc: linux-kernel@vger.kernel.org; jiang....@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 majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
