From: Yong Zhang <yong.zhang@windriver.com>
Date: Wed, 20 Oct 2010 22:57:32 +0000 (-0700)
Subject: timer: Del_timer_sync() can be used in softirq context
X-Git-Tag: v2.6.38-rc1~416^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1118e2cd33d47254854e1ba3ba8e32802ff14fdf;p=pandora-kernel.git

timer: Del_timer_sync() can be used in softirq context

Actually we have used del_timer_sync() in softirq context for a long time,
e.g. in __dst_free()::cancel_delayed_work().

So change the comments of it to warn on hardirq context only, and make
lockdep know about this change.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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