hwmon: (lm78) Detect alias chips

[linux-2.6-omap-h63xx.git] / kernel / softirq.c

diff --git a/kernel/softirq.c b/kernel/softirq.c
index f6b03d56c2bf130d81a4cda68b193267ef6b7466..37d67aa2d56fb18cb189f13e6a727ae3570c546e 100644 (file)
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -46,7 +46,7 @@ irq_cpustat_t irq_stat[NR_CPUS] ____cacheline_aligned;
 EXPORT_SYMBOL(irq_stat);
 #endif
 
-static struct softirq_action softirq_vec[32] __cacheline_aligned_in_smp;
+static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp;
 
 static DEFINE_PER_CPU(struct task_struct *, ksoftirqd);
 
@@ -205,7 +205,18 @@ restart:
 
        do {
                if (pending & 1) {
+                       int prev_count = preempt_count();
+
                        h->action(h);
+
+                       if (unlikely(prev_count != preempt_count())) {
+                               printk(KERN_ERR "huh, entered softirq %td %p"
+                                      "with preempt_count %08x,"
+                                      " exited with %08x?\n", h - softirq_vec,
+                                      h->action, prev_count, preempt_count());
+                               preempt_count() = prev_count;
+                       }
+
                        rcu_bh_qsctr_inc(cpu);
                }
                h++;
@@ -630,7 +641,7 @@ static struct notifier_block __cpuinitdata cpu_nfb = {
        .notifier_call = cpu_callback
 };
 
-__init int spawn_ksoftirqd(void)
+static __init int spawn_ksoftirqd(void)
 {
        void *cpu = (void *)(long)smp_processor_id();
        int err = cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu);
@@ -640,6 +651,7 @@ __init int spawn_ksoftirqd(void)
        register_cpu_notifier(&cpu_nfb);
        return 0;
 }
+early_initcall(spawn_ksoftirqd);
 
 #ifdef CONFIG_SMP
 /*