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In order to let the hotplugged cpu take care of the setup/teardown, we need a seperate hotplug thread. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: linux-arch@vger.kernel.org Cc: Rik van Riel <riel@redhat.com> Cc: Rafael Wysocki <rafael.j.wysocki@intel.com> Cc: "Srivatsa S. Bhat" <srivatsa@mit.edu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Tejun Heo <tj@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul Turner <pjt@google.com> Link: http://lkml.kernel.org/r/20160226182341.454541272@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
23 lines
601 B
C
23 lines
601 B
C
#ifndef SMPBOOT_H
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#define SMPBOOT_H
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struct task_struct;
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#ifdef CONFIG_GENERIC_SMP_IDLE_THREAD
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struct task_struct *idle_thread_get(unsigned int cpu);
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void idle_thread_set_boot_cpu(void);
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void idle_threads_init(void);
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#else
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static inline struct task_struct *idle_thread_get(unsigned int cpu) { return NULL; }
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static inline void idle_thread_set_boot_cpu(void) { }
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static inline void idle_threads_init(void) { }
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#endif
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int smpboot_create_threads(unsigned int cpu);
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int smpboot_park_threads(unsigned int cpu);
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int smpboot_unpark_threads(unsigned int cpu);
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void __init cpuhp_threads_init(void);
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#endif
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