On Tue, Nov 06, 2012 at 09:34:39AM +0100, Stanislav Meduna wrote:

On 05.11.2012 23:28, Russell King - ARM Linux wrote:

quoted

It most certainly does handle the wrapping correctly - it was designed
to from the very start.

I'm not an expert on Linux kernel and its core infrastructure,
but how is the sched_clock_timer armed for the first time
after calling setup_sched_clock?

The explicitely called update_sched_clock() does _not_ arm it.

Correct, but sched_clock_postinit() does, which is called from time_init().