netdev - Re: [PATCH net-next v2 0/7] ieee802.15.4 general fixes

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Message-Id: <20120712.075625.2029928789684872933.davem@davemloft.net>
Date:	Thu, 12 Jul 2012 07:56:25 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	alex.bluesman.smirnov@...il.com
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2 0/7] ieee802.15.4 general fixes

From: Alexander Smirnov <alex.bluesman.smirnov@...il.com>
Date: Wed, 11 Jul 2012 11:22:41 +0400

> Dear David, Eric,
> 
> this patch-set is mostly intended to fix sparse and LOCKDEP warnings.
> It mostly contains some my previous patches reworked and extended according
> to the hints from Eric Dumazet and Fengguang Wu. Many thanks to they!
> 
> Changes since v1:
> 1. A new patch from Tony Cheneau was added. The fragmentation stops working
> after some amount of packets sent. This patch fixes this issue.
> 2. 6lowpan fragment deleting routine: I removed spinlocks from timer_expired
> handler and use spin_lock_bh to disable concurrency races with timer interrupt.
> 3. at86rf230 irq handler was a little bit modified

Series applied, but you don't need to grab a spinlock to only
load one interger from some datastructure.  I mean:

	lock();
	ret = p->foo;
	unlock();

is completely pointless.
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