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-rw-r--r--include/linux/interrupt.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 91bb76f44f14..2721f07e9354 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -183,6 +183,7 @@ extern void disable_irq(unsigned int irq);
extern void enable_irq(unsigned int irq);
/* The following three functions are for the core kernel use only. */
+#ifdef CONFIG_GENERIC_HARDIRQS
extern void suspend_device_irqs(void);
extern void resume_device_irqs(void);
#ifdef CONFIG_PM_SLEEP
@@ -190,6 +191,11 @@ extern int check_wakeup_irqs(void);
#else
static inline int check_wakeup_irqs(void) { return 0; }
#endif
+#else
+static inline void suspend_device_irqs(void) { };
+static inline void resume_device_irqs(void) { };
+static inline int check_wakeup_irqs(void) { return 0; }
+#endif
#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS)
@@ -466,6 +472,20 @@ static inline void tasklet_hi_schedule(struct tasklet_struct *t)
__tasklet_hi_schedule(t);
}
+extern void __tasklet_hi_schedule_first(struct tasklet_struct *t);
+
+/*
+ * This version avoids touching any other tasklets. Needed for kmemcheck
+ * in order not to take any page faults while enqueueing this tasklet;
+ * consider VERY carefully whether you really need this or
+ * tasklet_hi_schedule()...
+ */
+static inline void tasklet_hi_schedule_first(struct tasklet_struct *t)
+{
+ if (!test_and_set_bit(TASKLET_STATE_SCHED, &t->state))
+ __tasklet_hi_schedule_first(t);
+}
+
static inline void tasklet_disable_nosync(struct tasklet_struct *t)
{
@@ -566,6 +586,6 @@ struct irq_desc;
extern int early_irq_init(void);
extern int arch_probe_nr_irqs(void);
extern int arch_early_irq_init(void);
-extern int arch_init_chip_data(struct irq_desc *desc, int cpu);
+extern int arch_init_chip_data(struct irq_desc *desc, int node);
#endif
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