• Linus Torvalds's avatar
    Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 207fb8c3
    Linus Torvalds authored
    Pull locking updates from Ingo Molnar:
     "The main changes in this cycle were:
    
       - a big round of FUTEX_UNLOCK_PI improvements, fixes, cleanups and
         general restructuring
    
       - lockdep updates such as new checks for lock_downgrade()
    
       - introduce the new atomic_try_cmpxchg() locking API and use it to
         optimize refcount code generation
    
       - ... plus misc fixes, updates and cleanups"
    
    * 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (38 commits)
      MAINTAINERS: Add FUTEX SUBSYSTEM
      futex: Clarify mark_wake_futex memory barrier usage
      futex: Fix small (and harmless looking) inconsistencies
      futex: Avoid freeing an active timer
      rtmutex: Plug preempt count leak in rt_mutex_futex_unlock()
      rtmutex: Fix more prio comparisons
      rtmutex: Fix PI chain order integrity
      sched,tracing: Update trace_sched_pi_setprio()
      sched/rtmutex: Refactor rt_mutex_setprio()
      rtmutex: Clean up
      sched/deadline/rtmutex: Dont miss the dl_runtime/dl_period update
      sched/rtmutex/deadline: Fix a PI crash for deadline tasks
      rtmutex: Deboost before waking up the top waiter
      locking/ww-mutex: Limit stress test to 2 seconds
      locking/atomic: Fix atomic_try_cmpxchg() semantics
      lockdep: Fix per-cpu static objects
      futex: Drop hb->lock before enqueueing on the rtmutex
      futex: Futex_unlock_pi() determinism
      futex: Rework futex_lock_pi() to use rt_mutex_*_proxy_lock()
      futex,rt_mutex: Restructure rt_mutex_finish_proxy_lock()
      ...
    207fb8c3
core.c 180 KB