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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-07-26 23:19:39 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-07-31 19:03:35 +0200 |
| commit | 27972765bd0410fc2ef5e86a41de17c71440a2dd (patch) | |
| tree | b14cb1a559783e819e8f77ef96c13d196bafdc4e /include | |
| parent | 01b1d88b09824bea1a75b0bac04dcf50d9893875 (diff) | |
| download | linux-27972765bd0410fc2ef5e86a41de17c71440a2dd.tar.gz linux-27972765bd0410fc2ef5e86a41de17c71440a2dd.tar.bz2 linux-27972765bd0410fc2ef5e86a41de17c71440a2dd.zip | |
locking/spinlocks: Use CONFIG_PREEMPTION
CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by
CONFIG_PREEMPT_RT. Both PREEMPT and PREEMPT_RT require the same
functionality which today depends on CONFIG_PREEMPT.
Adjust the comments in the locking code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20190726212124.302995288@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/spinlock.h | 2 | ||||
| -rw-r--r-- | include/linux/spinlock_api_smp.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index ed7c4d6b8235..031ce8617df8 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -214,7 +214,7 @@ static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock) /* * Define the various spin_lock methods. Note we define these - * regardless of whether CONFIG_SMP or CONFIG_PREEMPT are set. The + * regardless of whether CONFIG_SMP or CONFIG_PREEMPTION are set. The * various methods are defined as nops in the case they are not * required. */ diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h index 42dfab89e740..b762eaba4cdf 100644 --- a/include/linux/spinlock_api_smp.h +++ b/include/linux/spinlock_api_smp.h @@ -96,7 +96,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock) /* * If lockdep is enabled then we use the non-preemption spin-ops - * even on CONFIG_PREEMPT, because lockdep assumes that interrupts are + * even on CONFIG_PREEMPTION, because lockdep assumes that interrupts are * not re-enabled during lock-acquire (which the preempt-spin-ops do): */ #if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC) |