Re: [Xen-devel] [PATCH] xen/netfront: fix waiting for xenbus state change

[David Miller <davem@xxxxxxxxxxxxx>]

From: Juergen Gross <jgross@xxxxxxxx>
Date: Fri,  7 Sep 2018 14:21:30 +0200

> Commit 822fb18a82aba ("xen-netfront: wait xenbus state change when load
> module manually") added a new wait queue to wait on for a state change
> when the module is loaded manually. Unfortunately there is no wakeup
> anywhere to stop that waiting.
> 
> Instead of introducing a new wait queue rename the existing
> module_unload_q to module_wq and use it for both purposes (loading and
> unloading).
> 
> As any state change of the backend might be intended to stop waiting
> do the wake_up_all() in any case when netback_changed() is called.
> 
> Fixes: 822fb18a82aba ("xen-netfront: wait xenbus state change when load 
> module manually")
> Cc: <stable@xxxxxxxxxxxxxxx> #4.18
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Applied.

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