#include <linux/hardirq.h>
#include <linux/sched.h>
#include <linux/irqflags.h>
-#include <linux/bottom_half.h>
-#include <linux/device.h>
#include <asm/atomic.h>
#include <asm/ptrace.h>
#include <asm/system.h>
#define IRQF_NOBALANCING 0x00000800
#define IRQF_IRQPOLL 0x00001000
-/*
- * Migration helpers. Scheduled for removal in 9/2007
- * Do not use for new code !
- */
-static inline
-unsigned long __deprecated deprecated_irq_flag(unsigned long flag)
-{
- return flag;
-}
-
-#define SA_INTERRUPT deprecated_irq_flag(IRQF_DISABLED)
-#define SA_SAMPLE_RANDOM deprecated_irq_flag(IRQF_SAMPLE_RANDOM)
-#define SA_SHIRQ deprecated_irq_flag(IRQF_SHARED)
-#define SA_PROBEIRQ deprecated_irq_flag(IRQF_PROBE_SHARED)
-#define SA_PERCPU deprecated_irq_flag(IRQF_PERCPU)
-
-#define SA_TRIGGER_LOW deprecated_irq_flag(IRQF_TRIGGER_LOW)
-#define SA_TRIGGER_HIGH deprecated_irq_flag(IRQF_TRIGGER_HIGH)
-#define SA_TRIGGER_FALLING deprecated_irq_flag(IRQF_TRIGGER_FALLING)
-#define SA_TRIGGER_RISING deprecated_irq_flag(IRQF_TRIGGER_RISING)
-#define SA_TRIGGER_MASK deprecated_irq_flag(IRQF_TRIGGER_MASK)
-
typedef irqreturn_t (*irq_handler_t)(int, void *);
struct irqaction {
unsigned long, const char *, void *);
extern void free_irq(unsigned int, void *);
+struct device;
+
extern int __must_check devm_request_irq(struct device *dev, unsigned int irq,
irq_handler_t handler, unsigned long irqflags,
const char *devname, void *dev_id);
# define local_irq_enable_in_hardirq() local_irq_enable()
#endif
-#ifdef CONFIG_GENERIC_HARDIRQS
extern void disable_irq_nosync(unsigned int irq);
extern void disable_irq(unsigned int irq);
extern void enable_irq(unsigned int irq);
+#ifdef CONFIG_GENERIC_HARDIRQS
/*
* Special lockdep variants of irq disabling/enabling.
* These should be used for locking constructs that
enable_irq(irq)
# endif
+static inline int enable_irq_wake(unsigned int irq)
+{
+ return 0;
+}
+
+static inline int disable_irq_wake(unsigned int irq)
+{
+ return 0;
+}
#endif /* CONFIG_GENERIC_HARDIRQS */
#ifndef __ARCH_SET_SOFTIRQ_PENDING
#define save_and_cli(x) save_and_cli(&x)
#endif /* CONFIG_SMP */
+/* Some architectures might implement lazy enabling/disabling of
+ * interrupts. In some cases, such as stop_machine, we might want
+ * to ensure that after a local_irq_disable(), interrupts have
+ * really been disabled in hardware. Such architectures need to
+ * implement the following hook.
+ */
+#ifndef hard_irq_disable
+#define hard_irq_disable() do { } while(0)
+#endif
+
/* PLEASE, avoid to allocate new softirqs, if you need not _really_ high
frequency threaded job scheduling. For almost all the purposes
tasklets are more than enough. F.e. all serial device BHs et
#ifdef CONFIG_HIGH_RES_TIMERS
HRTIMER_SOFTIRQ,
#endif
+ RCU_SOFTIRQ, /* Preferable RCU should always be the last softirq */
};
/* softirq mask and active fields moved to irq_cpustat_t in