From: Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx>
Date: Fri, 4 Aug 2017 12:14:00 -0700
> With new transparent VF support, it is possible to get a deadlock
> when some of the deferred work is running and the unregister_vf
> is trying to cancel the work element. The solution is to use
> trylock and reschedule (similar to bonding and team device).
>
> Reported-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
> Fixes: 0c195567a8f6 ("netvsc: transparent VF management")
> Signed-off-by: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
Applied, thanks.
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