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Date: Thu, 11 May 2017 11:26:26 +0200
From: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20170511092626.GA4235@noname.str.redhat.com>
References: <20170510173945.11819-1-jsnow@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] blockdev: use drained_begin/end for
 qmp_block_resize
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To: John Snow <jsnow@redhat.com>
Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org, qemu-stable@nongnu.org, stefanha@redhat.com, pbonzini@redhat.com, mreitz@redhat.com

Am 10.05.2017 um 19:39 hat John Snow geschrieben:
> Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1447551
> 
> If one tries to issue a block_resize while a guest is busy
> accessing the disk, it is possible that qemu may deadlock
> when invoking aio_poll from both the main loop and the iothread.
> 
> Replace another instance of bdrv_drain_all that doesn't
> quite belong.
> 
> Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
> Signed-off-by: John Snow <jsnow@redhat.com>

Thanks, applied to the block branch.

Kevin