tick cleanups and bugfixes

Hi Thomas,

These are separate cleanups from the timers/hrtimers ones I did. I was waiting for the merge window to close in order to send these and by the time it happened, I got a long pending list.

These are mostly cleanups, reorders for better readability or efficiency, and few bugfixes.

I have pushed these here as well:

git://git.linaro.org/people/viresh.kumar/linux.git tick-cleanups

They will be tested by kbuild bot also starting from tonight.

Viresh Kumar (38):
tick: align to Coding Guidelines
tick: update doc comments for struct tick_sched
tick: rearrange members of 'struct tick_sched'
tick: move declaration of tick_cpu_device to tick.h
tick: move definition of tick_get_device() to tick.h
tick: create tick_get_cpu_device() to get tick_cpu_device on this cpu
tick-oneshot: drop local_irq_save/restore from
tick_switch_to_oneshot()
tick-oneshot: move tick_is_oneshot_available() to tick-oneshot.c
tick-oneshot: remove tick_resume_oneshot()
tick-common: remove extra checks from tick_check_new_device()
tick-common: fix wrong check in tick_check_replacement()
tick-common: call tick_check_percpu() from tick_check_preferred()
tick-common: don't check tick_oneshot_mode_active() from
tick_check_preferred()
tick-common: do additional checks in tick_check_preferred()
tick-common: remove tick_check_replacement()
tick-common: don't pass cpumask to tick_setup_device()
tick-common: call tick_install_replacement() from
tick_check_new_device()
tick-common: don't set mode to CLOCK_EVT_MODE_UNUSED in
tick_shutdown()
tick-common: remove local variable 'broadcast' from tick_resume()
tick-sched: initialize 'cpu' while defining it in
tick_nohz_full_setup()
tick-sched: no need to rewrite '1' to tick_nohz_enabled
tick-sched: no need to recheck cpu_online() in can_stop_idle_tick()
tick-sched: invert parameter of tick_check_oneshot_change()
tick-sched: don't check tick_nohz_full_cpu() in

    __tick_nohz_task_switch()
  tick-sched: don't call local_softirq_pending() thrice in
    can_stop_idle_tick()
  tick-sched: don't call update_wall_time() when delta is lesser than
    tick_period
  tick-sched: remove 'regs' parameter of tick_sched_handle()
  tick-sched: remove parameters to {__}tick_nohz_task_switch() routines
  tick-sched: remove wrapper around __tick_nohz_task_switch()
  tick-sched: move nohz_full_buf[] inside tick_nohz_init()
  tick-sched: initialize 'ts' during its definition
    __tick_nohz_idle_enter()

tick-sched: add comment about 'idle_active' in tick_nohz_idle_exit()
tick-sched: replace tick_nohz_active with tick_nohz_enabled in
tick_nohz_switch_to_nohz()
tick-sched: remove local variable 'now' from tick_setup_sched_timer()
tick-broadcast: do checks before taking locks in
tick_do_broadcast_on_off()
tick-broadcast: get rid of extra comparison in
tick_do_broadcast_on_off()
tick-broadcast: merge tick_do_broadcast_on_off() into
tick_broadcast_on_off()
clockevents: set event_handler to clockevents_handle_noop() in
clockevents_exchange_device()

 include/linux/clockchips.h   |   2 -
 include/linux/hrtimer.h      |   3 -
 include/linux/tick.h         |  65 ++++++++++-------
 kernel/hrtimer.c             |   4 +-
 kernel/sched/core.c          |   2 +-
 kernel/time/clockevents.c    |  11 +--
 kernel/time/tick-broadcast.c |  74 +++++++-------------
 kernel/time/tick-common.c    | 126 +++++++++++++--------------------
 kernel/time/tick-internal.h  |  15 ++--
 kernel/time/tick-oneshot.c   |  37 +++++-----
 kernel/time/tick-sched.c     | 163 +++++++++++++++++++++++--------------------
 11 files changed, 232 insertions(+), 270 deletions(-)

1.7.12.rc2.18.g61b472e