Herbert> I don't think this is enough though since this timer is
Herbert> one of those self-rescheduling timers. You need to
Herbert> provide some sort of a flag for it to stop scheduling
Herbert> itself and synchronise it properly.
I'm probably missing an obvious race but it seems del_timer_sync()
should be fine on a timer that reschedules itself. del_timer_sync()
loops until try_to_del_timer_sync() succeeds, and
try_to_del_timer_sync() will fail unless the timer being killed is not
running (and it does this test with the timer base lock held).
OK, how am I being stupid?
- R.
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