Messages in this thread Patch in this message | | | Date | Fri, 26 Jul 2019 23:19:39 +0200 | From | Thomas Gleixner <> | Subject | [patch 3/8] locking: Use CONFIG_PREEMPTION |
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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> --- include/linux/spinlock.h | 2 +- include/linux/spinlock_api_smp.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
--- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -214,7 +214,7 @@ static inline void do_raw_spin_unlock(ra /* * 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. */ --- 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 /* * 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)
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