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Re: [Qemu-devel] [PATCH 0/7] virtio: use MemoryRegionCache for descripto
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH 0/7] virtio: use MemoryRegionCache for descriptors and rings |
Date: |
Tue, 24 Jan 2017 18:37:36 +0200 |
On Fri, Jan 20, 2017 at 06:07:50PM +0100, Paolo Bonzini wrote:
> 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
Looks nice to me. I'll apply patch 1 as you are
still tweaking the rest of the series.
> 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
- [Qemu-devel] [PATCH 3/7] virtio: use address_space_map/unmap to access descriptors, (continued)
- [Qemu-devel] [PATCH 3/7] virtio: use address_space_map/unmap to access descriptors, Paolo Bonzini, 2017/01/20
- [Qemu-devel] [PATCH 5/7] virtio: add MemoryListener to cache ring translations, Paolo Bonzini, 2017/01/20
- [Qemu-devel] [PATCH 6/7] virtio: use VRingMemoryRegionCaches for descriptor ring, Paolo Bonzini, 2017/01/20
- [Qemu-devel] [PATCH 7/7] virtio: use VRingMemoryRegionCaches for avail and used rings, Paolo Bonzini, 2017/01/20
- Re: [Qemu-devel] [PATCH 0/7] virtio: use MemoryRegionCache for descriptors and rings, Michael S. Tsirkin, 2017/01/20
- Re: [Qemu-devel] [PATCH 0/7] virtio: use MemoryRegionCache for descriptors and rings,
Michael S. Tsirkin <=