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path: root/kernel/locking/rwsem.c
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* locking: Apply contention tracepoints in the slow pathNamhyung Kim2022-04-051-0/+9
* locking/rwsem: Always try to wake waiters in out_nolock pathWaiman Long2022-04-051-10/+34
* locking/rwsem: Conditionally wake waiters in reader/writer slowpathsWaiman Long2022-04-051-36/+32
* locking/rwsem: No need to check for handoff bit if wait queue emptyWaiman Long2022-04-051-5/+4
* locking: Add missing __sched attributesMinchan Kim2022-02-111-1/+1
* Merge tag 'v5.16-rc5' into locking/core, to pick up fixesIngo Molnar2021-12-131-93/+89
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| * locking/rwsem: Optimize down_read_trylock() under highly contended caseMuchun Song2021-11-231-7/+4
| * locking/rwsem: Make handoff bit handling more consistentWaiman Long2021-11-231-86/+85
* | locking: Make owner_on_cpu() into <linux/sched.h>Kefeng Wang2021-12-041-9/+0
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* locking/rwsem: Fix comments about reader optimistic lock stealing conditionsYanfei Xu2021-10-191-2/+1
* locking: Remove rcu_read_{,un}lock() for preempt_{dis,en}able()Yanfei Xu2021-10-191-5/+9
* locking/rwsem: Disable preemption for spinning regionYanfei Xu2021-10-191-23/+30
* locking/rwsem: Add missing __init_rwsem() for PREEMPT_RTMike Galbraith2021-09-021-4/+6
* locking/rtmutex: Extend the rtmutex core to support ww_mutexPeter Zijlstra2021-08-171-1/+1
* locking/rtmutex: Guard regular sleeping locks specific functionsThomas Gleixner2021-08-171-0/+1
* locking/rwsem: Add rtmutex based R/W semaphore implementationThomas Gleixner2021-08-171-0/+108
* Merge tag 'v5.14-rc6' into locking/core, to pick up fixesIngo Molnar2021-08-171-1/+1
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| * sched: Change task_struct::statePeter Zijlstra2021-06-181-1/+1
* | locking/rwsem: Remove an unused parameter of rwsem_wake()xuyehan2021-07-161-3/+3
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* locking: Fix typos in commentsIngo Molnar2021-03-221-1/+1
* locking/rwsem: Fix comment typoBhaskar Chowdhury2021-03-171-1/+1
* kernel: delete repeated words in commentsRandy Dunlap2021-02-261-1/+1
* locking/rwsem: Remove reader optimistic spinningWaiman Long2020-12-091-236/+48
* locking/rwsem: Enable reader optimistic lock stealingWaiman Long2020-12-091-0/+28
* locking/rwsem: Prevent potential lock starvationWaiman Long2020-12-091-2/+13
* locking/rwsem: Pass the current atomic count to rwsem_down_read_slowpath()Waiman Long2020-12-091-8/+10
* locking/rwsem: Fold __down_{read,write}*()Peter Zijlstra2020-12-091-22/+23
* locking/rwsem: Introduce rwsem_write_trylock()Peter Zijlstra2020-12-091-22/+16
* locking/rwsem: Better collate rwsem_read_trylock()Peter Zijlstra2020-12-091-7/+8
* rwsem: Implement down_read_interruptibleEric W. Biederman2020-12-091-0/+26
* rwsem: Implement down_read_killable_nestedEric W. Biederman2020-12-091-0/+14
* lockdep: Introduce wait-type checksPeter Zijlstra2020-03-211-1/+1
* locking/rwsem: Remove RWSEM_OWNER_UNKNOWNPeter Zijlstra2020-02-111-2/+0
* locking/percpu-rwsem: Remove the embedded rwsemPeter Zijlstra2020-02-111-5/+4
* locking/percpu-rwsem, lockdep: Make percpu-rwsem use its own lockdep_mapPeter Zijlstra2020-02-111-2/+2
* locking/rwsem: Fix kernel crash when spinning on RWSEM_OWNER_UNKNOWNWaiman Long2020-01-171-2/+2
* locking/lockdep: Remove unused @nested argument from lock_release()Qian Cai2019-10-091-5/+5
* locking/rwsem: Check for operations on an uninitialized rwsemDavidlohr Bueso2019-08-061-4/+18
* locking/rwsem: Make handoff writer optimistically spin on ownerWaiman Long2019-08-061-6/+26
* locking/rwsem: Add ACQUIRE commentsPeter Zijlstra2019-07-251-5/+13
* lcoking/rwsem: Add missing ACQUIRE to read_slowpath sleep loopPeter Zijlstra2019-07-251-1/+3
* locking/rwsem: Add missing ACQUIRE to read_slowpath exit when queue is emptyJan Stancek2019-07-251-0/+2
* locking/rwsem: Don't call owner_on_cpu() on read-ownerWaiman Long2019-07-251-1/+5
* locking/rwsem: Guard against making count negativeWaiman Long2019-06-171-12/+41
* locking/rwsem: Adaptive disabling of reader optimistic spinningWaiman Long2019-06-171-4/+129
* locking/rwsem: Enable time-based spinning on reader-owned rwsemWaiman Long2019-06-171-30/+143
* locking/rwsem: Make rwsem->owner an atomic_long_tWaiman Long2019-06-171-45/+80
* locking/rwsem: Enable readers spinning on writerWaiman Long2019-06-171-12/+74
* locking/rwsem: Clarify usage of owner's nonspinaable bitWaiman Long2019-06-171-22/+21
* locking/rwsem: Wake up almost all readers in wait queueWaiman Long2019-06-171-5/+26