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Re: [Qemu-devel] [PATCH 0/3] dataplane: introduce virtio-blk.iothread pr
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH 0/3] dataplane: introduce virtio-blk.iothread property |
Date: |
Mon, 30 Jun 2014 15:09:56 +0200 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, Jun 10, 2014 at 09:03:19AM +0200, Stefan Hajnoczi wrote:
> Up until now the virtio-blk x-data-plane and x-iothread features have been
> experimental. It's time to commit to a final command-line interface:
>
> qemu -object iothread,id=iothread0 \
> -drive if=none,id=drive0,file=test.qcow2,format=qcow2 \
> -device virtio-blk-pci,iothread=iothread0,drive=drive0
>
> The iothread=<iothread> property associates a virtio-blk-pci instance with an
> IOThread. If the iothread property is not given, the non-dataplane code path
> is used. This means dataplane is not the default yet.
>
> The x-data-plane=on|off property is now obsolete but will be kept around for
> at
> least another release cycle to give users a chance to migrate.
>
> Stefan Hajnoczi (3):
> virtio-blk: replace x-iothread with iothread link property
> qdev: drop iothread property type
> virtio-blk: remove need for explicit x-data-plane=on option
>
> hw/block/dataplane/virtio-blk.c | 2 +-
> hw/block/virtio-blk.c | 12 +++++++++-
> hw/core/qdev-properties-system.c | 50
> ----------------------------------------
> hw/s390x/s390-virtio-bus.c | 2 ++
> hw/s390x/virtio-ccw.c | 2 ++
> hw/virtio/virtio-pci.c | 2 ++
> include/hw/qdev-properties.h | 3 ---
> 7 files changed, 18 insertions(+), 55 deletions(-)
Applied to my block tree:
https://github.com/stefanha/qemu/commits/block
Stefan
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