Re: [Qemu-devel] [PATCH for-2.4 v3 0/3] AioContext: fix deadlock after aio_context_acquire() race

[Cornelia Huck]

On Tue, 28 Jul 2015 18:34:06 +0200
Paolo Bonzini <address@hidden> wrote:

> v3: same as v1, but include virtio-blk-dataplane fix and move thread_pool_free
> before the loop.  Same result as applying in order:
> 
> [PATCH for-2.4 1/2] AioContext: avoid leaking BHs on cleanup
> [PATCH for-2.4 2/2] AioContext: force event loop iteration using BH
> [PATCH for-2.4] block: delete bottom halves before the AioContext is freed
> 
> but bisectable.
> 
> Paolo Bonzini (1):
>   virtio-blk-dataplane: delete bottom half before the AioContext is freed
> 
> Stefan Hajnoczi (2):
>   AioContext: avoid leaking BHs on cleanup
>   AioContext: force event loop iteration using BH
> 
>  async.c                         | 29 +++++++++++++++++++++++++++--
>  hw/block/dataplane/virtio-blk.c |  2 +-
>  include/block/aio.h             |  3 +++
>  3 files changed, 31 insertions(+), 3 deletions(-)
> 

Did a quick verification on top of current master; starting,
managedsave and device_del with dataplane devices all seem to work fine.