timers: Add get next timer interrupt functionality for remote CPUs

[linux-2.6-block.git] / kernel / time / tick-internal.h

diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index 47df30b871e4d521869ddcf51fe24687447e1c7f..8b0c28edbd090ec465e8d79e2dd210b1e255863b 100644 (file)
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -8,6 +8,11 @@
 #include "timekeeping.h"
 #include "tick-sched.h"
 
+struct timer_events {
+       u64     local;
+       u64     global;
+};
+
 #ifdef CONFIG_GENERIC_CLOCKEVENTS
 
 # define TICK_DO_TIMER_NONE    -1
@@ -154,6 +159,11 @@ extern unsigned long tick_nohz_active;
 extern void timers_update_nohz(void);
 # ifdef CONFIG_SMP
 extern struct static_key_false timers_migration_enabled;
+extern void fetch_next_timer_interrupt_remote(unsigned long basej, u64 basem,
+                                             struct timer_events *tevt,
+                                             unsigned int cpu);
+extern void timer_lock_remote_bases(unsigned int cpu);
+extern void timer_unlock_remote_bases(unsigned int cpu);
 # endif
 #else /* CONFIG_NO_HZ_COMMON */
 static inline void timers_update_nohz(void) { }