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Re: [Qemu-devel] [PATCH v2 0/4] virtio-blk: fix issues with unified virt
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/4] virtio-blk: fix issues with unified virtio-blk request handling |
Date: |
Tue, 8 Jul 2014 16:43:22 +0200 |
On Tue, Jul 1, 2014 at 5:25 PM, Stefan Hajnoczi <address@hidden> wrote:
> This series fixes issues recently introduced when unifying virtio-blk
> dataplane's request handling with non-dataplane virtio-blk.
>
> The problems include broken memory allocation for dataplane requests and a
> performance regression for non-dataplane. See the patches for details.
>
> Stefan Hajnoczi (4):
> virtio-blk: avoid dataplane VirtIOBlockReq early free
> dataplane: do not free VirtQueueElement in vring_push()
> virtio-blk: avoid g_slice_new0() for VirtIOBlockReq and
> VirtQueueElement
> virtio-blk: embed VirtQueueElement in VirtIOBlockReq
>
> hw/block/dataplane/virtio-blk.c | 30 +++++++++++-----------
> hw/block/virtio-blk.c | 50
> ++++++++++++++++++-------------------
> hw/virtio/dataplane/vring.c | 22 ++++++----------
> include/hw/virtio/dataplane/vring.h | 3 +--
> include/hw/virtio/virtio-blk.h | 6 ++++-
> 5 files changed, 53 insertions(+), 58 deletions(-)
Hi Kevin,
Please include this series in your block pull request. I missed it
last week and it's needed to fix dataplane in QEMU 2.1.
Thanks,
Stefan
- [Qemu-devel] [PATCH v2 0/4] virtio-blk: fix issues with unified virtio-blk request handling, Stefan Hajnoczi, 2014/07/01
- [Qemu-devel] [PATCH v2 1/4] virtio-blk: avoid dataplane VirtIOBlockReq early free, Stefan Hajnoczi, 2014/07/01
- [Qemu-devel] [PATCH v2 2/4] dataplane: do not free VirtQueueElement in vring_push(), Stefan Hajnoczi, 2014/07/01
- [Qemu-devel] [PATCH v2 3/4] virtio-blk: avoid g_slice_new0() for VirtIOBlockReq and VirtQueueElement, Stefan Hajnoczi, 2014/07/01
- [Qemu-devel] [PATCH v2 4/4] virtio-blk: embed VirtQueueElement in VirtIOBlockReq, Stefan Hajnoczi, 2014/07/01
- Re: [Qemu-devel] [PATCH v2 0/4] virtio-blk: fix issues with unified virtio-blk request handling, Christian Borntraeger, 2014/07/02
- Re: [Qemu-devel] [PATCH v2 0/4] virtio-blk: fix issues with unified virtio-blk request handling,
Stefan Hajnoczi <=