Merge branch 'linus' into tracing/mmiotrace-mergefixups

[linux-2.6-omap-h63xx.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0c35b0343a76bf20327af6a84b1be976493735e3..aa609858aef07ee9dbada675f2beb5d98842883b 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -246,6 +246,8 @@ extern asmlinkage void schedule_tail(struct task_struct *prev);
 extern void init_idle(struct task_struct *idle, int cpu);
 extern void init_idle_bootup_task(struct task_struct *idle);
 
+extern int runqueue_is_locked(void);
+
 extern cpumask_t nohz_cpu_mask;
 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
 extern int select_nohz_load_balancer(int cpu);
@@ -766,7 +768,6 @@ struct sched_domain {
        struct sched_domain *child;     /* bottom domain must be null terminated */
        struct sched_group *groups;     /* the balancing groups of the domain */
        cpumask_t span;                 /* span of all CPUs in this domain */
-       int first_cpu;                  /* cache of the first cpu in this domain */
        unsigned long min_interval;     /* Minimum balance interval ms */
        unsigned long max_interval;     /* Maximum balance interval ms */
        unsigned int busy_factor;       /* less balancing by factor if busy */
@@ -1848,7 +1849,9 @@ extern void exit_thread(void);
 extern void exit_files(struct task_struct *);
 extern void __cleanup_signal(struct signal_struct *);
 extern void __cleanup_sighand(struct sighand_struct *);
+
 extern void exit_itimers(struct signal_struct *);
+extern void flush_itimer_signals(void);
 
 extern NORET_TYPE void do_group_exit(int);
 
@@ -2025,9 +2028,22 @@ static inline int fatal_signal_pending(struct task_struct *p)
        return signal_pending(p) && __fatal_signal_pending(p);
 }
 
+static inline int signal_pending_state(long state, struct task_struct *p)
+{
+       if (!(state & (TASK_INTERRUPTIBLE | TASK_WAKEKILL)))
+               return 0;
+       if (!signal_pending(p))
+               return 0;
+
+       if (state & (__TASK_STOPPED | __TASK_TRACED))
+               return 0;
+
+       return (state & TASK_INTERRUPTIBLE) || __fatal_signal_pending(p);
+}
+
 static inline int need_resched(void)
 {
-       return unlikely(test_tsk_need_resched(current));
+       return unlikely(test_thread_flag(TIF_NEED_RESCHED));
 }
 
 /*
@@ -2037,13 +2053,13 @@ static inline int need_resched(void)
  * cond_resched_lock() will drop the spinlock before scheduling,
  * cond_resched_softirq() will enable bhs before scheduling.
  */
-#ifdef CONFIG_PREEMPT
+extern int _cond_resched(void);
+#ifdef CONFIG_PREEMPT_BKL
 static inline int cond_resched(void)
 {
        return 0;
 }
 #else
-extern int _cond_resched(void);
 static inline int cond_resched(void)
 {
        return _cond_resched();
@@ -2051,6 +2067,10 @@ static inline int cond_resched(void)
 #endif
 extern int cond_resched_lock(spinlock_t * lock);
 extern int cond_resched_softirq(void);
+static inline int cond_resched_bkl(void)
+{
+       return _cond_resched();
+}
 
 /*
  * Does a critical section need to be broken due to another
@@ -2113,6 +2133,18 @@ static inline void arch_pick_mmap_layout(struct mm_struct *mm)
 }
 #endif
 
+#ifdef CONFIG_TRACING
+extern void
+__trace_special(void *__tr, void *__data,
+               unsigned long arg1, unsigned long arg2, unsigned long arg3);
+#else
+static inline void
+__trace_special(void *__tr, void *__data,
+               unsigned long arg1, unsigned long arg2, unsigned long arg3)
+{
+}
+#endif
+
 extern long sched_setaffinity(pid_t pid, const cpumask_t *new_mask);
 extern long sched_getaffinity(pid_t pid, cpumask_t *mask);
 
@@ -2207,6 +2239,8 @@ static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
 }
 #endif /* CONFIG_MM_OWNER */
 
+#define TASK_STATE_TO_CHAR_STR "RSDTtZX"
+
 #endif /* __KERNEL__ */
 
 #endif