https://github.com/torvalds/linux
Revision 87a54cae0ba094de2ddb7e5f429fd32b965a2fbf authored by Linus Torvalds on 17 April 2014, 23:19:10 UTC, committed by Linus Torvalds on 17 April 2014, 23:19:10 UTC
Pull timer fixes from Thomas Gleixner:
 "Viresh unearthed the following three hickups in the timer/timekeeping
  code:

   - Negated check for the result of a clock event selection

   - A missing early exit in the jiffies update path which causes
     update_wall_time to be called for nothing causing lock contention
     and wasted cycles in the timer interrupt

   - Checking a variable in the NOHZ code enable code for true which can
     only be set by that very code after the check succeeds.  That
     results in a rock solid runtime disablement of that feature"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  tick-sched: Check tick_nohz_enabled in tick_nohz_switch_to_nohz()
  tick-sched: Don't call update_wall_time() when delta is lesser than tick_period
  tick-common: Fix wrong check in tick_check_replacement()
2 parent s 81cef0f + 2763053
History
Tip revision: 87a54cae0ba094de2ddb7e5f429fd32b965a2fbf authored by Linus Torvalds on 17 April 2014, 23:19:10 UTC
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Tip revision: 87a54ca
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