Contributors: 24
Author Tokens Token Proportion Commits Commit Proportion
Thomas Gleixner 45 18.22% 2 6.90%
Tony Luck 42 17.00% 1 3.45%
Qais Yousef 28 11.34% 3 10.34%
Kirill A. Shutemov 15 6.07% 1 3.45%
Liu Shuo 15 6.07% 1 3.45%
Toshi Kani 13 5.26% 1 3.45%
Waiman Long 12 4.86% 1 3.45%
Rafael J. Wysocki 10 4.05% 1 3.45%
Frédéric Weisbecker 10 4.05% 2 6.90%
Oleg Nesterov 10 4.05% 1 3.45%
Peter Zijlstra 8 3.24% 1 3.45%
Andrew Morton 5 2.02% 1 3.45%
Patrick Mochel 5 2.02% 1 3.45%
Anton Vorontsov 4 1.62% 1 3.45%
Linus Torvalds (pre-git) 4 1.62% 1 3.45%
Rusty Russell 3 1.21% 2 6.90%
Josh Triplett 3 1.21% 1 3.45%
Russell King 3 1.21% 1 3.45%
Srivatsa S. Bhat 3 1.21% 1 3.45%
Josh Poimboeuf 3 1.21% 1 3.45%
Ingo Molnar 2 0.81% 1 3.45%
Christian Krafft 2 0.81% 1 3.45%
Greg Kroah-Hartman 1 0.40% 1 3.45%
Tyler Hicks 1 0.40% 1 3.45%
Total 247 29


/* SPDX-License-Identifier: GPL-2.0 */
/*
 * include/linux/cpuhplock.h - CPU hotplug locking
 *
 * Locking functions for CPU hotplug.
 */
#ifndef _LINUX_CPUHPLOCK_H_
#define _LINUX_CPUHPLOCK_H_

#include <linux/cleanup.h>
#include <linux/errno.h>

struct device;

extern int lockdep_is_cpus_held(void);
extern int lockdep_is_cpus_write_held(void);

#ifdef CONFIG_HOTPLUG_CPU
void cpus_write_lock(void);
void cpus_write_unlock(void);
void cpus_read_lock(void);
void cpus_read_unlock(void);
int  cpus_read_trylock(void);
void lockdep_assert_cpus_held(void);
void cpu_hotplug_disable_offlining(void);
void cpu_hotplug_disable(void);
void cpu_hotplug_enable(void);
void clear_tasks_mm_cpumask(int cpu);
int remove_cpu(unsigned int cpu);
int cpu_device_down(struct device *dev);
void smp_shutdown_nonboot_cpus(unsigned int primary_cpu);

#else /* CONFIG_HOTPLUG_CPU */

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 int  cpus_read_trylock(void) { return true; }
static inline void lockdep_assert_cpus_held(void) { }
static inline void cpu_hotplug_disable_offlining(void) { }
static inline void cpu_hotplug_disable(void) { }
static inline void cpu_hotplug_enable(void) { }
static inline int remove_cpu(unsigned int cpu) { return -EPERM; }
static inline void smp_shutdown_nonboot_cpus(unsigned int primary_cpu) { }
#endif	/* !CONFIG_HOTPLUG_CPU */

DEFINE_LOCK_GUARD_0(cpus_read_lock, cpus_read_lock(), cpus_read_unlock())

#endif /* _LINUX_CPUHPLOCK_H_ */