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Re: [Qemu-devel] [PATCH 0/2] dataplane: fix start/stop races
From: |
Christian Borntraeger |
Subject: |
Re: [Qemu-devel] [PATCH 0/2] dataplane: fix start/stop races |
Date: |
Tue, 29 Mar 2016 18:31:36 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 |
On 03/29/2016 03:42 PM, Michael S. Tsirkin wrote:
> This works around races that data plane introduces
> simply by exiting immediately if we detect
> that dataplane is active.
>
> It's a small but ugly patch, it's only justification
> is that it's minimally intrusive, and that it clearly
> has no chance to break non data plane users.
>
> The idea is to rework it all post 2.6.
>
> Michael S. Tsirkin (2):
> virtio: add aio handler
> virtio-blk: use aio handler for data plane
>
> include/hw/virtio/virtio-blk.h | 2 ++
> include/hw/virtio/virtio.h | 4 ++++
> hw/block/dataplane/virtio-blk.c | 13 +++++++++++++
> hw/block/virtio-blk.c | 28 ++++++++++++++++++----------
> hw/virtio/virtio.c | 36 ++++++++++++++++++++++++++++++++----
> 5 files changed, 69 insertions(+), 14 deletions(-)
>
This also seems to help on my setup.Tu Bo, would be good if you
can double check this patch set as well on your setup?
Christian
- Re: [Qemu-devel] [PATCH 1/2] virtio: add aio handler, (continued)
Re: [Qemu-devel] [PATCH 0/2] dataplane: fix start/stop races, Michael S. Tsirkin, 2016/03/29
Re: [Qemu-devel] [PATCH 0/2] dataplane: fix start/stop races, Cornelia Huck, 2016/03/29
Re: [Qemu-devel] [PATCH 0/2] dataplane: fix start/stop races,
Christian Borntraeger <=