netdev - Re: [PATCH] NET: Fix locking issues in PPP, 6pack, mkiss and strip line disciplines.

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Date:	Sun, 12 Jul 2009 23:48:54 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Ralf Baechle DL5RB <ralf@...ux-mips.org>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Guido Trentalancia <guido@...ntalancia.com>,
	Paul Mackerras <paulus@...ba.org>, linux-hams@...r.kernel.org,
	Hans Albas PE1AYX <hans@...ac.ele.tue.nl>
Subject: Re: [PATCH] NET: Fix locking issues in PPP, 6pack, mkiss and strip
 line disciplines.

> The issue was, that the locking code in mkiss was assuming it was only
> ever being called in process or bh context.  Fixed by converting the
> involved locking code to use irq-safe locks.

Which historically of course was correct until the networking layer
changed behaviour some years ago.

These look good to me.
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