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Re: [Qemu-devel] [PATCH 1/1] Revert "linux-aio: Cancel BH if not needed"


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH 1/1] Revert "linux-aio: Cancel BH if not needed"
Date: Mon, 27 Jun 2016 17:01:24 +0100

On Fri, Jun 24, 2016 at 2:40 PM, Roman Pen
<address@hidden> wrote:
> diff --git a/block/linux-aio.c b/block/linux-aio.c
> index e468960..fe7cece 100644
> --- a/block/linux-aio.c
> +++ b/block/linux-aio.c
> @@ -149,8 +149,6 @@ static void qemu_laio_completion_bh(void *opaque)
>      if (!s->io_q.plugged && !QSIMPLEQ_EMPTY(&s->io_q.pending)) {
>          ioq_submit(s);
>      }
> -
> -    qemu_bh_cancel(s->completion_bh);

This was the cause.  I've found the root cause and will send a patch.

Stefan



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