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Date: Mon, 19 Jan 2015 17:11:36 +0000
From: David Vrabel <david.vrabel@citrix.com>
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To: Ross Lagerwall <ross.lagerwall@citrix.com>,
        <xen-devel@lists.xenproject.org>
CC: <linux-kernel@vger.kernel.org>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        David Vrabel <david.vrabel@citrix.com>
Subject: Re: [Xen-devel] [PATCH] xen/manage: Fix USB interaction issues when
 resuming
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On 19/01/15 13:19, Ross Lagerwall wrote:
> Commit 61a734d305e1 ("xen/manage: Always freeze/thaw processes when
> suspend/resuming") ensured that userspace processes were always frozen
> before suspending to reduce interaction issues when resuming devices.
> However, freeze_processes() does not freeze kernel threads.  Freeze
> kernel threads as well to prevent deadlocks with the khubd thread when
> resuming devices.
> 
> This is what native suspend and resume does.

Applied to stable/for-linus-3.19, thanks.

David