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[PATCH -v6 00/13] The arduous story of FUTEX_UNLOCK_PI

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Hi all,

Another installment of the futex patches that give you nightmares ;-)

This version sports updated comments and Changelogs as requested last
time around. It also includes two fixes, both reported by Sebastian
who was kind enough to stick this in his RT tree for some testing.

The last patch is RT specific, but I figure we can merge it anyway.

Again; I sincerely hope this to be the very last version.

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[PATCH -v6 00/13] The arduous story of FUTEX_UNLOCK_PI Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
  [PATCH -v6 10/13] futex,rt_mutex: Restructure rt_mutex_finish_proxy_lock() Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex,rt_mutex: Restructure  rt_mutex_finish_proxy_lock() tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
  [PATCH -v6 07/13] futex: Rework inconsistent rt_mutex/futex_q state Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex: Rework inconsistent rt_mutex/futex_q  state tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
  [PATCH -v6 09/13] futex,rt_mutex: Introduce rt_mutex_init_waiter() Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex,rt_mutex: Introduce rt_mutex_init_waiter() tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
  [PATCH -v6 05/13] futex: Change locking rules Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex: Change locking rules tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
  [PATCH -v6 11/13] futex: Rework futex_lock_pi() to use rt_mutex_*_proxy_lock() Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex: Rework futex_lock_pi() to use  rt_mutex_*_proxy_lock() tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
  [PATCH -v6 13/13] futex: futex_lock_pi() vs PREEMPT_RT_FULL Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex: Drop hb->lock before enqueueing on the  rtmutex tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
  [PATCH -v6 03/13] futex: Remove rt_mutex_deadlock_account_*() Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex: Remove rt_mutex_deadlock_account_*() tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
    Re: [PATCH -v6 03/13] futex: Remove rt_mutex_deadlock_account_*() Darren Hart <dvhart@infradead.org> - 2017-03-24 22:30 +0100
      Re: [PATCH -v6 03/13] futex: Remove rt_mutex_deadlock_account_*() Darren Hart <dvhart@infradead.org> - 2017-03-24 22:40 +0100
  [PATCH -v6 12/13] futex: futex_unlock_pi() determinism Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex: Futex_unlock_pi() determinism tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
  [PATCH -v6 06/13] futex: Cleanup refcounting Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex: Cleanup refcounting tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
  [PATCH -v6 04/13] futex,rt_mutex: Provide futex specific rt_mutex API Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex,rt_mutex: Provide futex specific rt_mutex  API tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
    Re: [PATCH -v6 04/13] futex,rt_mutex: Provide futex specific  rt_mutex API Darren Hart <dvhart@infradead.org> - 2017-03-25 01:40 +0100
  [PATCH -v6 02/13] futex: Use smp_store_release() in mark_wake_futex() Peter Zijlstra <peterz@infradead.org> - 2017-03-22 11:50 +0100
    [tip:locking/core] futex: Use smp_store_release() in  mark_wake_futex() tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2017-03-23 19:30 +0100
    Re: [PATCH -v6 02/13] futex: Use smp_store_release() in  mark_wake_futex() Darren Hart <dvhart@infradead.org> - 2017-03-24 22:20 +0100
  Re: [PATCH -v6 00/13] The arduous story of FUTEX_UNLOCK_PI Darren Hart <dvhart@infradead.org> - 2017-03-24 02:50 +0100

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