[PATCH 3.4 01/65] hrtimer: Allow concurrent hrtimer_start() for self restarting timers

From: Peter Zijlstra 3.4.110-rc1 review patch. If anyone has any objections, please let me know. -- commit 5de2755c8c8b3a6b8414870e2c284914a2b42e4d upstream. Because we drop cpu_base->lock around calling hrtimer::function, it is possible for hrtimer_start() to come in

[PATCH 3.4 01/65] hrtimer: Allow concurrent hrtimer_start() for self restarting timers

From: Peter Zijlstra 3.4.110-rc1 review patch. If anyone has any objections, please let me know. -- commit 5de2755c8c8b3a6b8414870e2c284914a2b42e4d upstream. Because we drop cpu_base->lock around calling hrtimer::function, it is possible for