Messages in this thread Patch in this message |  | | Date | Wed, 31 Jul 2019 10:56:51 -0700 | From | tip-bot for Thomas Gleixner <> | Subject | [tip:sched/rt] locking/spinlocks: Use CONFIG_PREEMPTION |
| |
Commit-ID: 27972765bd0410fc2ef5e86a41de17c71440a2dd Gitweb: https://git.kernel.org/tip/27972765bd0410fc2ef5e86a41de17c71440a2dd Author: Thomas Gleixner <tglx@linutronix.de> AuthorDate: Fri, 26 Jul 2019 23:19:39 +0200 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Wed, 31 Jul 2019 19:03:35 +0200
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> --- include/linux/spinlock.h | 2 +- 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)
|  |