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Commits on Apr 11, 2024

• locking/qspinlock: Use atomic_try_cmpxchg_relaxed() in xchg_tail()

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  ubizjak

  authored and

  ingomolnar

  committed
  79a34e3

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Commits on Jan 5, 2023

• locking/qspinlock: Micro-optimize pending state waiting for unlock

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  guoren83

  authored and

  ingomolnar

  committed
  4282494

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Commits on Aug 19, 2022

• locking: Add __lockfunc to slow path functions

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  namhyung

  authored and

  Peter Zijlstra

  committed
  501f7f6

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Commits on Apr 5, 2022

• locking: Apply contention tracepoints in the slow path

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  namhyung

  authored and

  Peter Zijlstra

  committed
  ee042be

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Commits on Jul 8, 2020

• x86/kvm: Add "nopvspin" parameter to disable PV spinlocks

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  Zhenzhong Duan

  authored and

  bonzini

  committed
  05eee61

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Commits on Jan 17, 2020

• locking/qspinlock: Fix inaccessible URL of MCS lock paper

  Show description for 5709712
  

  Waiman-Long

  authored and

  Peter Zijlstra

  committed
  5709712

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Commits on May 30, 2019

• treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157

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  KAGA-KOKO

  authored and

  gregkh

  committed
  c942fdd

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Commits on Apr 10, 2019

• locking/qspinlock_stat: Introduce generic lockevent_*() counting APIs

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  Waiman-Long

  authored and

  ingomolnar

  committed
  ad53fa1

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Commits on Feb 28, 2019

• locking/qspinlock: Remove unnecessary BUG_ON() call

  Show description for 733000c
  

  Waiman-Long

  authored and

  ingomolnar

  committed
  733000c

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Commits on Feb 4, 2019

• locking/qspinlock_stat: Track the no MCS node available case

  Show description for 412f34a
  

  Waiman-Long

  authored and

  ingomolnar

  committed
  412f34a

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• locking/qspinlock: Handle > 4 slowpath nesting levels

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  Waiman-Long

  authored and

  ingomolnar

  committed
  d682b59

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Commits on Oct 17, 2018

• locking/pvqspinlock: Extend node size when pvqspinlock is configured

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  Waiman-Long

  authored and

  ingomolnar

  committed
  0fa809c

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• locking/qspinlock_stat: Count instances of nested lock slowpaths

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  Waiman-Long

  authored and

  ingomolnar

  committed
  1222109

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Commits on Oct 16, 2018

• locking/qspinlock, x86: Provide liveness guarantee

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  Peter Zijlstra

  authored and

  ingomolnar

  committed
  7aa54be

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• locking/qspinlock: Rework some comments

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  Peter Zijlstra

  authored and

  ingomolnar

  committed
  756b1df

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• locking/qspinlock: Re-order code

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  Peter Zijlstra

  authored and

  ingomolnar

  committed
  53bf57f

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Commits on Apr 27, 2018

• locking/qspinlock: Add stat tracking for pending vs. slowpath

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  Waiman-Long

  authored and

  ingomolnar

  committed
  81d3dc9

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• locking/qspinlock: Use try_cmpxchg() instead of cmpxchg() when locking

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  wildea01

  authored and

  ingomolnar

  committed
  ae75d90

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• locking/qspinlock: Elide back-to-back RELEASE operations with smp_wmb()

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  wildea01

  authored and

  ingomolnar

  committed
  9d4646d

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• locking/qspinlock: Use smp_cond_load_relaxed() to wait for next node

  Show description for c131a19
  

  wildea01

  authored and

  ingomolnar

  committed
  c131a19

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• locking/qspinlock: Use atomic_cond_read_acquire()

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  wildea01

  authored and

  ingomolnar

  committed
  f9c811f

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• locking/qspinlock: Kill cmpxchg() loop when claiming lock from head of queue

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  wildea01

  authored and

  ingomolnar

  committed
  c61da58

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• locking/qspinlock: Remove unbounded cmpxchg() loop from locking slowpath

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  wildea01

  authored and

  ingomolnar

  committed
  59fb586

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• locking/qspinlock: Bound spinning on pending->locked transition in slowpath

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  wildea01

  authored and

  ingomolnar

  committed
  6512276

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• locking/qspinlock: Merge 'struct __qspinlock' into 'struct qspinlock'

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  wildea01

  authored and

  ingomolnar

  committed
  625e88b

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Commits on Feb 13, 2018

• locking/qspinlock: Ensure node->count is updated before initialising node

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  wildea01

  authored and

  ingomolnar

  committed
  11dc132

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• locking/qspinlock: Ensure node is initialised before updating prev->next

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  wildea01

  authored and

  ingomolnar

  committed
  95bcade

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Commits on Dec 4, 2017

• locking: Remove smp_read_barrier_depends() from queued_spin_lock_slowpath()

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  paulmck

  committed
  548095d

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Commits on Aug 17, 2017

• locking: Remove spin_unlock_wait() generic definitions

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  paulmck

  committed
  d3a024a

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Commits on Jul 8, 2017

• locking/qspinlock: Explicitly include asm/prefetch.h

  Show description for 5671360
  

  stffrdhrn

  authored and

  ingomolnar

  committed
  5671360

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Commits on Jun 27, 2016

• locking/qspinlock: Use __this_cpu_dec() instead of full-blown this_cpu_dec()

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  Pan Xinhui

  authored and

  ingomolnar

  committed
  0dceeaf

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Commits on Jun 14, 2016

• locking/barriers: Introduce smp_acquire__after_ctrl_dep()

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  Peter Zijlstra

  authored and

  ingomolnar

  committed
  33ac279

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• locking/barriers: Replace smp_cond_acquire() with smp_cond_load_acquire()

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  Peter Zijlstra

  authored and

  ingomolnar

  committed
  1f03e8d

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Commits on Jun 8, 2016

• locking/qspinlock: Add comments

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  Peter Zijlstra

  authored and

  ingomolnar

  committed
  055ce0f

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• locking/qspinlock: Clarify xchg_tail() ordering

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  Peter Zijlstra

  authored and

  ingomolnar

  committed
  8d53fa1

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