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

From: Alberto Garcia
Subject: Re: [Qemu-block] [PATCH 3/3] virtio-scsi: Forbid devices with different iothreads sharing a blockdev
Date: Mon, 28 Jan 2019 17:15:20 +0100
User-agent: Notmuch/0.18.2 (http://notmuchmail.org) Emacs/24.4.1 (i586-pc-linux-gnu)

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?


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