Re: [Qemu-devel] [PATCH v2 0/2] thread-pool: avoid fd usage and fix nested aio_poll() deadlock

[Stefan Hajnoczi]

On Tue, Jul 15, 2014 at 04:44:24PM +0200, Stefan Hajnoczi wrote:
> v2:
>  * Leave BH scheduled so that the code can be simplified [Paolo]
> 
> These patches convert thread-pool.c from EventNotifier to QEMUBH.  They then
> solve the deadlock when nested aio_poll() calls are made.
> 
> Please speak out whether you want this in QEMU 2.1 or not.  I'm not aware of
> the nested aio_poll() deadlock ever having been reported, so maybe we can 
> defer
> to QEMU 2.2.
> 
> Stefan Hajnoczi (2):
>   thread-pool: avoid per-thread-pool EventNotifier
>   thread-pool: avoid deadlock in nested aio_poll() calls
> 
>  thread-pool.c | 27 ++++++++++++++-------------
>  1 file changed, 14 insertions(+), 13 deletions(-)

Thanks, applied to my block-next tree:
https://github.com/stefanha/qemu/commits/block-next

Stefan

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