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Re: [Qemu-devel] [PATCH 0/4] Tweaks around virtio-blk start/stop

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 0/4] Tweaks around virtio-blk start/stop
Date: Wed, 16 Mar 2016 14:45:47 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0

On 16/03/2016 14:38, Christian Borntraeger wrote:
> > If you just remove the calls to virtio_queue_host_notifier_read, here
> > and in virtio_queue_aio_set_host_notifier_fd_handler, does it work
> > (keeping patches 2-4 in)?
> With these changes and patch 2-4 it does no longer locks up. 
> I keep it running some hour to check if a crash happens.
> Tu Bo, your setup is currently better suited for reproducing. Can you also 
> check?

Great, I'll prepare a patch to virtio then sketching the solution that
Conny agreed with.

While Fam and I agreed that patch 1 is not required, I'm not sure if the
mutex is necessary in the end.

So if Tu Bo can check without the virtio_queue_host_notifier_read calls,
and both with/without Fam's patches, it would be great.


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