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Re: [Qemu-devel] [PATCH 3/3] virtio-scsi: Forbid devices with different

From: Kevin Wolf
Subject: Re: [Qemu-devel] [PATCH 3/3] virtio-scsi: Forbid devices with different iothreads sharing a blockdev
Date: Mon, 28 Jan 2019 17:30:28 +0100
User-agent: Mutt/1.10.1 (2018-07-13)

Am 28.01.2019 um 17:15 hat Alberto Garcia geschrieben:
> On Mon 28 Jan 2019 05:01:09 PM CET, Kevin Wolf wrote:
> > And actually... if you move the first virtio-blk device to an
> > iothread, then downgrading the others isn't going to save us, because
> > that would still be using the backend from two threads (one
> > successfully enabled iothread, and the main thread).
> ...which makes me think that, since patch 1 from this series moves the
> BlockBackend back to the main AioContext on unplug, we could have a
> similar problem if the BDS is being used by other devices. Or am I
> missing something?

Oops. :-)

Maybe we do need to implement the proper solution?


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