| Date | Wed, 24 May 2017 10:15:13 +0200 | From | Thomas Gleixner <> | Subject | [patch V3 02/32] cpu/hotplug: Provide lockdep_assert_cpus_held() |
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Provide a stub function which can be used in places where existing get_online_cpus() calls are moved to call sites.
This stub is going to be filled by the final conversion of the hotplug locking mechanism to a percpu rwsem.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- include/linux/cpu.h | 2 ++ 1 file changed, 2 insertions(+)
--- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -103,6 +103,7 @@ extern void cpus_write_lock(void); extern void cpus_write_unlock(void); extern void cpus_read_lock(void); extern void cpus_read_unlock(void); +static inline void lockdep_assert_cpus_held(void) { } extern void cpu_hotplug_disable(void); extern void cpu_hotplug_enable(void); void clear_tasks_mm_cpumask(int cpu); @@ -114,6 +115,7 @@ static inline void cpus_write_lock(void) static inline void cpus_write_unlock(void) { } static inline void cpus_read_lock(void) { } static inline void cpus_read_unlock(void) { } +static inline void lockdep_assert_cpus_held(void) { } static inline void cpu_hotplug_disable(void) { } static inline void cpu_hotplug_enable(void) { } #endif /* !CONFIG_HOTPLUG_CPU */
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