Peter Zijlstra bcba67cd80 locking/rwsem: Remove RWSEM_OWNER_UNKNOWN ...

Remove the now unused RWSEM_OWNER_UNKNOWN hack. This hack breaks
PREEMPT_RT and getting rid of it was the entire motivation for
re-writing the percpu rwsem.

The biggest problem is that it is fundamentally incompatible with any
form of Priority Inheritance, any exclusively held lock must have a
distinct owner.

Requested-by: Christoph Hellwig <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Reviewed-by: Davidlohr Bueso <[email protected]>
Acked-by: Will Deacon <[email protected]>
Acked-by: Waiman Long <[email protected]>
Tested-by: Juri Lelli <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]

2020-02-11 13:10:57 +01:00

..

lock_events_list.h

locking/rwsem: Adaptive disabling of reader optimistic spinning

2019-06-17 12:28:09 +02:00

lock_events.c

locking/lock_events: Don't show pvqspinlock events on bare metal

2019-04-10 10:56:05 +02:00

lock_events.h

locking/lock_events: Use raw_cpu_{add,inc}() for stats

2019-06-03 12:32:56 +02:00

lockdep_internals.h

locking/lockdep: Reuse freed chain_hlocks entries

2020-02-11 13:10:52 +01:00

lockdep_proc.c

locking/lockdep: Reuse freed chain_hlocks entries

2020-02-11 13:10:52 +01:00

lockdep_states.h

…

lockdep.c

locking/lockdep: Reuse freed chain_hlocks entries

2020-02-11 13:10:52 +01:00

locktorture.c

locking: locktorture: Do not include rwlock.h directly

2019-10-05 11:50:24 -07:00

Makefile

locking/rwsem: Merge rwsem.h and rwsem-xadd.c into rwsem.c

2019-06-17 12:27:57 +02:00

mcs_spinlock.h

…

mutex-debug.c

…

mutex-debug.h

…

mutex.c

Revert "locking/mutex: Complain upon mutex API misuse in IRQ contexts"

2019-12-11 00:27:43 +01:00

mutex.h

mutex: Fix up mutex_waiter usage

2019-08-08 09:09:25 +02:00

osq_lock.c

locking/osq: Use optimized spinning loop for arm64

2020-01-17 10:19:30 +01:00

percpu-rwsem.c

locking/percpu-rwsem: Remove the embedded rwsem

2020-02-11 13:10:56 +01:00

qrwlock.c

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

2019-05-30 11:26:37 -07:00

qspinlock_paravirt.h

Revert "locking/pvqspinlock: Don't wait if vCPU is preempted"

2019-09-25 10:22:37 +02:00

qspinlock_stat.h

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

2019-05-30 11:26:37 -07:00

qspinlock.c

locking/qspinlock: Fix inaccessible URL of MCS lock paper

2020-01-17 10:19:30 +01:00

rtmutex_common.h

…

rtmutex-debug.c

…

rtmutex-debug.h

…

rtmutex.c

locking/lockdep: Remove unused @nested argument from lock_release()

2019-10-09 12:46:10 +02:00

rtmutex.h

…

rwsem.c

locking/rwsem: Remove RWSEM_OWNER_UNKNOWN

2020-02-11 13:10:57 +01:00

rwsem.h

locking/percpu-rwsem: Remove the embedded rwsem

2020-02-11 13:10:56 +01:00

semaphore.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 436

2019-06-05 17:37:17 +02:00

spinlock_debug.c

locking/spinlock/debug: Fix various data races

2019-11-29 08:03:27 +01:00

spinlock.c

asm-generic/mmiowb: Add generic implementation of mmiowb() tracking

2019-04-08 11:59:39 +01:00

test-ww_mutex.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 9

2019-05-21 11:28:40 +02:00