i2c-eg20t: Modify returned value s32 to long

[pandora-kernel.git] / kernel / sched.c

diff --git a/kernel/sched.c b/kernel/sched.c
index 24637c7..d87c6e5 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1895,7 +1895,7 @@ static inline void __set_task_cpu(struct task_struct *p, unsigned int cpu)
 #ifdef CONFIG_SMP
        /*
         * After ->cpu is set up to a new value, task_rq_lock(p, ...) can be
-        * successfuly executed on another CPU. We must ensure that updates of
+        * successfully executed on another CPU. We must ensure that updates of
         * per-task data have been completed by this moment.
         */
        smp_wmb();
@@ -4346,6 +4346,7 @@ static inline void schedule_debug(struct task_struct *prev)
         */
        if (unlikely(in_atomic_preempt_off() && !prev->exit_state))
                __schedule_bug(prev);
+       rcu_sleep_check();
 
        profile_hit(SCHED_PROFILING, __builtin_return_address(0));
 
@@ -6100,15 +6101,6 @@ void __cpuinit init_idle(struct task_struct *idle, int cpu)
        ftrace_graph_init_idle_task(idle, cpu);
 }
 
-/*
- * In a system that switches off the HZ timer nohz_cpu_mask
- * indicates which cpus entered this state. This is used
- * in the rcu update to wait only for active cpus. For system
- * which do not switch off the HZ timer nohz_cpu_mask should
- * always be CPU_BITS_NONE.
- */
-cpumask_var_t nohz_cpu_mask;
-
 /*
  * Increase the granularity value when there are more CPUs,
  * because with more CPUs the 'effective latency' as visible
@@ -8348,8 +8340,6 @@ void __init sched_init(void)
         */
        current->sched_class = &fair_sched_class;
 
-       /* Allocate the nohz_cpu_mask if CONFIG_CPUMASK_OFFSTACK */
-       zalloc_cpumask_var(&nohz_cpu_mask, GFP_NOWAIT);
 #ifdef CONFIG_SMP
        zalloc_cpumask_var(&sched_domains_tmpmask, GFP_NOWAIT);
 #ifdef CONFIG_NO_HZ
@@ -8379,6 +8369,7 @@ void __might_sleep(const char *file, int line, int preempt_offset)
 {
        static unsigned long prev_jiffy;        /* ratelimiting */
 
+       rcu_sleep_check(); /* WARN_ON_ONCE() by default, no rate limit reqd. */
        if ((preempt_count_equals(preempt_offset) && !irqs_disabled()) ||
            system_state != SYSTEM_RUNNING || oops_in_progress)
                return;