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linux/kernel/locking
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Peter Zijlstra f8e48a3dca lockdep: Fix preemption WARN for spurious IRQ-enable 
It is valid (albeit uncommon) to call local_irq_enable() without first
having called local_irq_disable(). In this case we enter
lockdep_hardirqs_on*() with IRQs enabled and trip a preemption warning
for using __this_cpu_read().

Use this_cpu_read() instead to avoid the warning.

Fixes: 4d004099a6 ("lockdep: Fix lockdep recursion")
Reported-by: syzbot+53f8ce8bbc07924b6417@syzkaller.appspotmail.com
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2020-10-22 12:37:22 +02:00
..
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
lockdep: Fix usage_traceoverflow
2020-10-09 08:53:08 +02:00
lockdep_proc.c
locking/lockdep: Fix overflow in presentation of average lock-time
2020-07-25 21:47:42 +02:00
lockdep_states.h
locking/lockdep: Rework FS_RECLAIM annotation
2017-08-10 12:29:03 +02:00
lockdep.c
lockdep: Fix preemption WARN for spurious IRQ-enable
2020-10-22 12:37:22 +02:00
locktorture.c
This tree adds the sched_set_fifo*() encapsulation APIs to remove
2020-08-06 11:55:43 -07:00
Makefile
kcsan: Make KCSAN compatible with lockdep
2020-03-21 09:41:16 +01:00
mcs_spinlock.h
locking/mcs: Use smp_cond_load_acquire() in MCS spin loop
2018-04-27 09:48:49 +02:00
mutex-debug.c
lockdep: Introduce wait-type checks
2020-03-21 16:00:24 +01:00
mutex-debug.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
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_lock: Annotate a data race in osq_lock
2020-06-29 12:04:48 -07:00
percpu-rwsem.c
locking/percpu-rwsem: Use this_cpu_{inc,dec}() for read_count
2020-09-16 16:26:56 +02:00
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
x86/kvm: Add "nopvspin" parameter to disable PV spinlocks
2020-07-08 16:21:57 -04:00
rtmutex_common.h
locking/rtmutex: Handle non enqueued waiters gracefully in remove_waiter()
2018-03-28 23:01:30 +02:00
rtmutex-debug.c
kernel: rename show_stack_loglvl() => show_stack()
2020-06-09 09:39:13 -07:00
rtmutex-debug.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rtmutex.c
locking/rtmutex: Remove unused rt_mutex_cmpxchg_relaxed()
2020-04-27 12:26:40 +02:00
rtmutex.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rwsem.c
lockdep: Introduce wait-type checks
2020-03-21 16:00:24 +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
lockdep: Introduce wait-type checks
2020-03-21 16:00:24 +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