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authorIngo Molnar <mingo@kernel.org>2017-02-03 16:52:01 +0300
committerIngo Molnar <mingo@kernel.org>2017-03-03 03:43:45 +0300
commit0ca0156973a47e689f3bc817e26e15fff3f84eec (patch)
treed1cc6b9de75273343570609fbc41c1a6dcab3aa2 /include/linux/sched
parent70b8157e61d0143fb44ae9482557d7aca365da3d (diff)
downloadlinux-0ca0156973a47e689f3bc817e26e15fff3f84eec.tar.xz
sched/headers: Split hotplug CPU interfaces out of <linux/sched.h> into <linux/sched/hotplug.h>
Split the CPU hotplug scheduler APIs out of the common header. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> 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>
Diffstat (limited to 'include/linux/sched')
-rw-r--r--include/linux/sched/hotplug.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/sched/hotplug.h b/include/linux/sched/hotplug.h
index 34670ed24894..c608d3c1ddb8 100644
--- a/include/linux/sched/hotplug.h
+++ b/include/linux/sched/hotplug.h
@@ -3,4 +3,24 @@
#include <linux/sched.h>
+/*
+ * Scheduler interfaces for hotplug CPU support:
+ */
+
+extern int sched_cpu_starting(unsigned int cpu);
+extern int sched_cpu_activate(unsigned int cpu);
+extern int sched_cpu_deactivate(unsigned int cpu);
+
+#ifdef CONFIG_HOTPLUG_CPU
+extern int sched_cpu_dying(unsigned int cpu);
+#else
+# define sched_cpu_dying NULL
+#endif
+
+#ifdef CONFIG_HOTPLUG_CPU
+extern void idle_task_exit(void);
+#else
+static inline void idle_task_exit(void) {}
+#endif
+
#endif /* _LINUX_SCHED_HOTPLUG_H */