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authorDave Airlie <airlied@redhat.com>2015-04-19 21:32:26 -0400
committerDave Airlie <airlied@redhat.com>2015-04-19 23:05:20 -0400
commit2c33ce009ca2389dbf0535d0672214d09738e35e (patch)
tree6186a6458c3c160385d794a23eaf07c786a9e61b /include/linux/cpu.h
parentcec32a47010647e8b0603726ebb75b990a4057a4 (diff)
parent09d51602cf84a1264946711dd4ea0dddbac599a1 (diff)
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards, due to API changes in the regulator tree. I've included the patch into the merge to fix the build. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/linux/cpu.h')
-rw-r--r--include/linux/cpu.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 4260e8594bd7..c0fb6b1b4712 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -73,6 +73,7 @@ enum {
73 /* migration should happen before other stuff but after perf */ 73 /* migration should happen before other stuff but after perf */
74 CPU_PRI_PERF = 20, 74 CPU_PRI_PERF = 20,
75 CPU_PRI_MIGRATION = 10, 75 CPU_PRI_MIGRATION = 10,
76 CPU_PRI_SMPBOOT = 9,
76 /* bring up workqueues before normal notifiers and down after */ 77 /* bring up workqueues before normal notifiers and down after */
77 CPU_PRI_WORKQUEUE_UP = 5, 78 CPU_PRI_WORKQUEUE_UP = 5,
78 CPU_PRI_WORKQUEUE_DOWN = -5, 79 CPU_PRI_WORKQUEUE_DOWN = -5,
@@ -95,6 +96,10 @@ enum {
95 * Called on the new cpu, just before 96 * Called on the new cpu, just before
96 * enabling interrupts. Must not sleep, 97 * enabling interrupts. Must not sleep,
97 * must not fail */ 98 * must not fail */
99#define CPU_DYING_IDLE 0x000B /* CPU (unsigned)v dying, reached
100 * idle loop. */
101#define CPU_BROKEN 0x000C /* CPU (unsigned)v did not die properly,
102 * perhaps due to preemption. */
98 103
99/* Used for CPU hotplug events occurring while tasks are frozen due to a suspend 104/* Used for CPU hotplug events occurring while tasks are frozen due to a suspend
100 * operation in progress 105 * operation in progress
@@ -161,6 +166,7 @@ static inline void __unregister_cpu_notifier(struct notifier_block *nb)
161} 166}
162#endif 167#endif
163 168
169void smpboot_thread_init(void);
164int cpu_up(unsigned int cpu); 170int cpu_up(unsigned int cpu);
165void notify_cpu_starting(unsigned int cpu); 171void notify_cpu_starting(unsigned int cpu);
166extern void cpu_maps_update_begin(void); 172extern void cpu_maps_update_begin(void);
@@ -208,6 +214,10 @@ static inline void cpu_notifier_register_done(void)
208{ 214{
209} 215}
210 216
217static inline void smpboot_thread_init(void)
218{
219}
220
211#endif /* CONFIG_SMP */ 221#endif /* CONFIG_SMP */
212extern struct bus_type cpu_subsys; 222extern struct bus_type cpu_subsys;
213 223
@@ -271,4 +281,14 @@ void arch_cpu_idle_enter(void);
271void arch_cpu_idle_exit(void); 281void arch_cpu_idle_exit(void);
272void arch_cpu_idle_dead(void); 282void arch_cpu_idle_dead(void);
273 283
284DECLARE_PER_CPU(bool, cpu_dead_idle);
285
286int cpu_report_state(int cpu);
287int cpu_check_up_prepare(int cpu);
288void cpu_set_state_online(int cpu);
289#ifdef CONFIG_HOTPLUG_CPU
290bool cpu_wait_death(unsigned int cpu, int seconds);
291bool cpu_report_death(void);
292#endif /* #ifdef CONFIG_HOTPLUG_CPU */
293
274#endif /* _LINUX_CPU_H_ */ 294#endif /* _LINUX_CPU_H_ */