Displaying 1 result from an estimated 1 matches for "clock_was_set_notifier_list".
2013 Jun 19
14
[PATCH 2/4] time: add a notifier chain for when the system time is stepped
....vrabel@citrix.com>
The high resolution timer code gets notified of step changes to the
system time with clock_was_set() or clock_was_set_delayed() calls. If
other parts of the kernel require similar notification there is no
clear place to hook into.
Add a clock_was_set atomic notifier chain
(clock_was_set_notifier_list) and call this in place of
clock_was_set(). If the timekeeping locks are held, the calls are
deferred to a new tasklet.
The hrtimer code adds a notifier block to this chain and uses it to
call (the now internal) clock_was_set(). Since the timekeeping code
does not call the chain from the timer i...