genirq: Convert irq_desc.lock to raw_spinlock
[linux-3.10.git] / arch / mips / kernel / irq.c
index 6045b9a..8b0b418 100644 (file)
 #include <linux/sched.h>
 #include <linux/seq_file.h>
 #include <linux/kallsyms.h>
+#include <linux/kgdb.h>
 
 #include <asm/atomic.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
 
+#ifdef CONFIG_KGDB
+int kgdb_early_setup;
+#endif
+
 static unsigned long irq_map[NR_IRQS / BITS_PER_LONG];
 
 int allocate_irqno(void)
@@ -94,7 +99,7 @@ int show_interrupts(struct seq_file *p, void *v)
        }
 
        if (i < NR_IRQS) {
-               spin_lock_irqsave(&irq_desc[i].lock, flags);
+               raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
                action = irq_desc[i].action;
                if (!action)
                        goto skip;
@@ -103,7 +108,7 @@ int show_interrupts(struct seq_file *p, void *v)
                seq_printf(p, "%10u ", kstat_irqs(i));
 #else
                for_each_online_cpu(j)
-                       seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+                       seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
 #endif
                seq_printf(p, " %14s", irq_desc[i].chip->name);
                seq_printf(p, "  %s", action->name);
@@ -113,7 +118,7 @@ int show_interrupts(struct seq_file *p, void *v)
 
                seq_putc(p, '\n');
 skip:
-               spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+               raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
        } else if (i == NR_IRQS) {
                seq_putc(p, '\n');
                seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
@@ -126,33 +131,22 @@ asmlinkage void spurious_interrupt(void)
        atomic_inc(&irq_err_count);
 }
 
-#ifdef CONFIG_KGDB
-extern void breakpoint(void);
-extern void set_debug_traps(void);
-
-static int kgdb_flag = 1;
-static int __init nokgdb(char *str)
-{
-       kgdb_flag = 0;
-       return 1;
-}
-__setup("nokgdb", nokgdb);
-#endif
-
 void __init init_IRQ(void)
 {
        int i;
 
+#ifdef CONFIG_KGDB
+       if (kgdb_early_setup)
+               return;
+#endif
+
        for (i = 0; i < NR_IRQS; i++)
                set_irq_noprobe(i);
 
        arch_init_irq();
 
 #ifdef CONFIG_KGDB
-       if (kgdb_flag) {
-               printk("Wait for gdb client connection ...\n");
-               set_debug_traps();
-               breakpoint();
-       }
+       if (!kgdb_early_setup)
+               kgdb_early_setup = 1;
 #endif
 }