From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53962) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xnie5-0004b4-Ao for qemu-devel@nongnu.org; Mon, 10 Nov 2014 01:40:18 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xnidz-0003Oe-GE for qemu-devel@nongnu.org; Mon, 10 Nov 2014 01:40:13 -0500 Received: from mga02.intel.com ([134.134.136.20]:19302) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xnidz-0003L2-Ai for qemu-devel@nongnu.org; Mon, 10 Nov 2014 01:40:07 -0500 From: Feng Wu Date: Mon, 10 Nov 2014 14:31:16 +0800 Message-Id: <1415601077-27890-1-git-send-email-feng.wu@intel.com> Subject: [Qemu-devel] [PATCH] Add VT-d Posted-Interrupts support in QEMU List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: pbonzini@redhat.com, rth@twiddle.net, mtosatti@redhat.com Cc: Feng Wu , qemu-devel@nongnu.org, kvm@vger.kernel.org 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(-)