From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50499) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cUcfU-0006my-Do for qemu-devel@nongnu.org; Fri, 20 Jan 2017 12:08:05 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cUcfP-0001GV-F3 for qemu-devel@nongnu.org; Fri, 20 Jan 2017 12:08:04 -0500 Received: from mx1.redhat.com ([209.132.183.28]:57998) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cUcfP-0001Fs-9G for qemu-devel@nongnu.org; Fri, 20 Jan 2017 12:07:59 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 78B06C057FA4 for ; Fri, 20 Jan 2017 17:07:59 +0000 (UTC) From: Paolo Bonzini Date: Fri, 20 Jan 2017 18:07:50 +0100 Message-Id: <20170120170757.30308-1-pbonzini@redhat.com> Subject: [Qemu-devel] [PATCH 0/7] virtio: use MemoryRegionCache for descriptors and rings List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: mst@redhat.com, stefanha@redhat.com Patch posted during 2.8 hard freeze. Quick measurements give a 10% performance improvement on various virtio-blk benchmarks, but the machine I used seems to love my patches particularly today! Paolo Paolo Bonzini (7): virtio: make virtio_should_notify static virtio: add virtio_*_phys_cached virtio: use address_space_map/unmap to access descriptors virtio: use MemoryRegionCache to access descriptors virtio: add MemoryListener to cache ring translations virtio: use VRingMemoryRegionCaches for descriptor ring virtio: use VRingMemoryRegionCaches for avail and used rings hw/net/virtio-net.c | 14 +- hw/virtio/virtio.c | 322 ++++++++++++++++++++++++++++++-------- include/hw/virtio/virtio-access.h | 52 ++++++ include/hw/virtio/virtio.h | 2 +- 4 files changed, 322 insertions(+), 68 deletions(-) -- 2.9.3