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Re: [Qemu-devel] [PATCH v2 00/10] virtio/vring: optimization patches
From: |
Gonglei (Arei) |
Subject: |
Re: [Qemu-devel] [PATCH v2 00/10] virtio/vring: optimization patches |
Date: |
Wed, 3 Feb 2016 12:38:22 +0000 |
> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden On
> Behalf Of Paolo Bonzini
> Sent: Sunday, January 31, 2016 6:29 PM
> To: address@hidden
> Cc: address@hidden; address@hidden
> Subject: [Qemu-devel] [PATCH v2 00/10] virtio/vring: optimization patches
>
> This includes two optimization of virtio:
>
> - "slimming down" VirtQueueElements by not including room for
> 1024 buffers. This makes malloc much faster.
>
> - optimizations to limit the number of address_space_translate
> calls in virtio.c, from Vincenzo and myself.
>
> Thanks,
>
> Paolo
>
> v1->v2: improved commit messages [Conny]
> add assertions on sz [Conny]
> change bools from 1 and 0 to "true" and "false" [Conny]
> update shadow avail_idx in virtio_queue_set_last_avail_idx [Michael]
> collect Reviewed-by
>
> Paolo Bonzini (7):
> virtio: move VirtQueueElement at the beginning of the structs
> virtio: move allocation to virtqueue_pop/vring_pop
> virtio: introduce qemu_get/put_virtqueue_element
> virtio: introduce virtqueue_alloc_element
> virtio: slim down allocation of VirtQueueElements
> vring: slim down allocation of VirtQueueElements
> virtio: combine the read of a descriptor
>
> Vincenzo Maffione (3):
> virtio: cache used_idx in a VirtQueue field
> virtio: read avail_idx from VQ only when necessary
> virtio: combine write of an entry into used ring
>
> hw/9pfs/9p.c | 2 +-
> hw/9pfs/virtio-9p-device.c | 17 +-
> hw/9pfs/virtio-9p.h | 2 +-
> hw/block/dataplane/virtio-blk.c | 11 +-
> hw/block/virtio-blk.c | 23 +--
> hw/char/virtio-serial-bus.c | 78 +++++----
> hw/display/virtio-gpu.c | 25 ++-
> hw/input/virtio-input.c | 24 ++-
> hw/net/virtio-net.c | 69 +++++---
> hw/scsi/virtio-scsi-dataplane.c | 15 +-
> hw/scsi/virtio-scsi.c | 26 ++-
> hw/virtio/dataplane/vring.c | 62 ++++---
> hw/virtio/virtio-balloon.c | 22 ++-
> hw/virtio/virtio-rng.c | 10 +-
> hw/virtio/virtio.c | 340
> +++++++++++++++++++++++++-----------
> include/hw/virtio/dataplane/vring.h | 2 +-
> include/hw/virtio/virtio-balloon.h | 2 +-
> include/hw/virtio/virtio-blk.h | 5 +-
> include/hw/virtio/virtio-net.h | 2 +-
> include/hw/virtio/virtio-scsi.h | 15 +-
> include/hw/virtio/virtio-serial.h | 2 +-
> include/hw/virtio/virtio.h | 13 +-
> 22 files changed, 486 insertions(+), 281 deletions(-)
>
> --
> 2.5.0
>
For patch 7,8,9,10:
Tested-by: Gonglei <address@hidden>
Regards,
-Gonglei