timer: Del_timer_sync() can be used in softirq context

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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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Yong Zhang 2010-10-20 15:57:32 -07:00 • committed by Thomas Gleixner

parent 6f1bc451e6

commit 1118e2cd33

1 changed files with 3 additions and 5 deletions

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kernel/timer.c

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