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.
This patch is used together with the patches in KVM side. You can find the VT-d Posted-Interrtups Spec. in the following URL: http://www.intel.com/content/www/us/en/intelligent-systems/intel-technology/vt-directed-io-spec.html Feng Wu (1): x86: Update VT-d Posted-Interrupts related information hw/i386/kvm/pci-assign.c | 24 ++++++++++++++++++++++++ linux-headers/linux/kvm.h | 2 ++ target-i386/kvm.c | 5 +++++ target-i386/kvm_i386.h | 1 + 4 files changed, 32 insertions(+), 0 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html