mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-17 01:34:00 +08:00
167a88677b
Now that the sole use of the whole smpboot_*cpumask() API is gone, remove it. Suggested-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _LINUX_SMPBOOT_H
|
|
#define _LINUX_SMPBOOT_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
struct task_struct;
|
|
/* Cookie handed to the thread_fn*/
|
|
struct smpboot_thread_data;
|
|
|
|
/**
|
|
* struct smp_hotplug_thread - CPU hotplug related thread descriptor
|
|
* @store: Pointer to per cpu storage for the task pointers
|
|
* @list: List head for core management
|
|
* @thread_should_run: Check whether the thread should run or not. Called with
|
|
* preemption disabled.
|
|
* @thread_fn: The associated thread function
|
|
* @create: Optional setup function, called when the thread gets
|
|
* created (Not called from the thread context)
|
|
* @setup: Optional setup function, called when the thread gets
|
|
* operational the first time
|
|
* @cleanup: Optional cleanup function, called when the thread
|
|
* should stop (module exit)
|
|
* @park: Optional park function, called when the thread is
|
|
* parked (cpu offline)
|
|
* @unpark: Optional unpark function, called when the thread is
|
|
* unparked (cpu online)
|
|
* @selfparking: Thread is not parked by the park function.
|
|
* @thread_comm: The base name of the thread
|
|
*/
|
|
struct smp_hotplug_thread {
|
|
struct task_struct __percpu **store;
|
|
struct list_head list;
|
|
int (*thread_should_run)(unsigned int cpu);
|
|
void (*thread_fn)(unsigned int cpu);
|
|
void (*create)(unsigned int cpu);
|
|
void (*setup)(unsigned int cpu);
|
|
void (*cleanup)(unsigned int cpu, bool online);
|
|
void (*park)(unsigned int cpu);
|
|
void (*unpark)(unsigned int cpu);
|
|
bool selfparking;
|
|
const char *thread_comm;
|
|
};
|
|
|
|
int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread);
|
|
|
|
void smpboot_unregister_percpu_thread(struct smp_hotplug_thread *plug_thread);
|
|
|
|
#endif
|