netdev - Re: [PATCH net-next] l2tp: Avoid schedule while atomic in exit

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Message-ID: <20170222120926.ssdoxnnrudfzusay@alphalink.fr>
Date:   Wed, 22 Feb 2017 13:09:26 +0100
From:   Guillaume Nault <g.nault@...halink.fr>
To:     Ridge Kennedy <ridge.kennedy@...iedtelesis.co.nz>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net-next] l2tp: Avoid schedule while atomic in exit_net

On Wed, Feb 22, 2017 at 02:59:49PM +1300, Ridge Kennedy wrote:
> While destroying a network namespace that contains a L2TP tunnel a
> "BUG: scheduling while atomic" can be observed.

> To fix this, move the call to l2tp_tunnel_closeall() out of the RCU
> critical section, and instead call it from l2tp_tunnel_del_work(), which
> is running from the l2tp_wq workqueue.
> 
Looks good, though this should be for net, not net-next.

Acked-by: Guillaume Nault <g.nault@...halink.fr>