There are many places where we need to iterate over all the currently active clock bases for a particular cpu_base. Create for_each_active_base() to simplify code at those places.
Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- kernel/hrtimer.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 379d21a..ceadfa5 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -113,6 +113,19 @@ static inline bool base_on_this_cpu(struct hrtimer_clock_base *base) }
/* + * for_each_active_base: iterate over all active clock bases + * @_index: 'int' variable for internal purpose + * @_base: holds pointer to a active clock base + * @_cpu_base: cpu base to iterate on + * @_active_bases: 'unsigned int' variable for internal purpose + */ +#define for_each_active_base(_index, _base, _cpu_base, _active_bases) \ + for ((_active_bases) = (_cpu_base)->active_bases; \ + (_index) = ffs(_active_bases), \ + (_base) = (_cpu_base)->clock_base + (_index) - 1, (_index); \ + (_active_bases) &= ~(1 << ((_index) - 1))) + +/* * Get the coarse grained time at the softirq based on xtime and * wall_to_monotonic. */