diff options
Diffstat (limited to 'include/linux/interrupt.h')
| -rw-r--r-- | include/linux/interrupt.h | 108 |
1 files changed, 14 insertions, 94 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 5fa5afeeb759..db43b58a3355 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -11,14 +11,13 @@ #include <linux/irqnr.h> #include <linux/hardirq.h> #include <linux/irqflags.h> -#include <linux/smp.h> -#include <linux/percpu.h> #include <linux/hrtimer.h> #include <linux/kref.h> #include <linux/workqueue.h> #include <linux/atomic.h> #include <asm/ptrace.h> +#include <asm/irq.h> /* * These correspond to the IORESOURCE_IRQ_* defines in @@ -120,7 +119,6 @@ struct irqaction { extern irqreturn_t no_action(int cpl, void *dev_id); -#ifdef CONFIG_GENERIC_HARDIRQS extern int __must_check request_threaded_irq(unsigned int irq, irq_handler_t handler, irq_handler_t thread_fn, @@ -140,40 +138,6 @@ request_any_context_irq(unsigned int irq, irq_handler_t handler, extern int __must_check request_percpu_irq(unsigned int irq, irq_handler_t handler, const char *devname, void __percpu *percpu_dev_id); -#else - -extern int __must_check -request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, - const char *name, void *dev); - -/* - * Special function to avoid ifdeffery in kernel/irq/devres.c which - * gets magically built by GENERIC_HARDIRQS=n architectures (sparc, - * m68k). I really love these $@%#!* obvious Makefile references: - * ../../../kernel/irq/devres.o - */ -static inline int __must_check -request_threaded_irq(unsigned int irq, irq_handler_t handler, - irq_handler_t thread_fn, - unsigned long flags, const char *name, void *dev) -{ - return request_irq(irq, handler, flags, name, dev); -} - -static inline int __must_check -request_any_context_irq(unsigned int irq, irq_handler_t handler, - unsigned long flags, const char *name, void *dev_id) -{ - return request_irq(irq, handler, flags, name, dev_id); -} - -static inline int __must_check -request_percpu_irq(unsigned int irq, irq_handler_t handler, - const char *devname, void __percpu *percpu_dev_id) -{ - return request_irq(irq, handler, 0, devname, percpu_dev_id); -} -#endif extern void free_irq(unsigned int, void *); extern void free_percpu_irq(unsigned int, void __percpu *); @@ -221,7 +185,6 @@ extern void enable_irq(unsigned int irq); extern void enable_percpu_irq(unsigned int irq, unsigned int type); /* 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 @@ -229,13 +192,8 @@ 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) +#if defined(CONFIG_SMP) extern cpumask_var_t irq_default_affinity; @@ -287,9 +245,8 @@ static inline int irq_set_affinity_hint(unsigned int irq, { return -EINVAL; } -#endif /* CONFIG_SMP && CONFIG_GENERIC_HARDIRQS */ +#endif /* CONFIG_SMP */ -#ifdef CONFIG_GENERIC_HARDIRQS /* * Special lockdep variants of irq disabling/enabling. * These should be used for locking constructs that @@ -354,33 +311,6 @@ static inline int disable_irq_wake(unsigned int irq) return irq_set_irq_wake(irq, 0); } -#else /* !CONFIG_GENERIC_HARDIRQS */ -/* - * NOTE: non-genirq architectures, if they want to support the lock - * validator need to define the methods below in their asm/irq.h - * files, under an #ifdef CONFIG_LOCKDEP section. - */ -#ifndef CONFIG_LOCKDEP -# define disable_irq_nosync_lockdep(irq) disable_irq_nosync(irq) -# define disable_irq_nosync_lockdep_irqsave(irq, flags) \ - disable_irq_nosync(irq) -# define disable_irq_lockdep(irq) disable_irq(irq) -# define enable_irq_lockdep(irq) enable_irq(irq) -# define enable_irq_lockdep_irqrestore(irq, flags) \ - 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 */ - #ifdef CONFIG_IRQ_FORCED_THREADING extern bool force_irqthreads; @@ -443,6 +373,16 @@ struct softirq_action asmlinkage void do_softirq(void); asmlinkage void __do_softirq(void); + +#ifdef __ARCH_HAS_DO_SOFTIRQ +void do_softirq_own_stack(void); +#else +static inline void do_softirq_own_stack(void) +{ + __do_softirq(); +} +#endif + extern void open_softirq(int nr, void (*action)(struct softirq_action *)); extern void softirq_init(void); extern void __raise_softirq_irqoff(unsigned int nr); @@ -450,15 +390,6 @@ extern void __raise_softirq_irqoff(unsigned int nr); extern void raise_softirq_irqoff(unsigned int nr); extern void raise_softirq(unsigned int nr); -/* This is the worklist that queues up per-cpu softirq work. - * - * send_remote_sendirq() adds work to these lists, and - * the softirq handler itself dequeues from them. The queues - * are protected by disabling local cpu interrupts and they must - * only be accessed by the local cpu that they are for. - */ -DECLARE_PER_CPU(struct list_head [NR_SOFTIRQS], softirq_work_list); - DECLARE_PER_CPU(struct task_struct *, ksoftirqd); static inline struct task_struct *this_cpu_ksoftirqd(void) @@ -466,17 +397,6 @@ static inline struct task_struct *this_cpu_ksoftirqd(void) return this_cpu_read(ksoftirqd); } -/* Try to send a softirq to a remote cpu. If this cannot be done, the - * work will be queued to the local cpu. - */ -extern void send_remote_softirq(struct call_single_data *cp, int cpu, int softirq); - -/* Like send_remote_softirq(), but the caller must disable local cpu interrupts - * and compute the current cpu, passed in as 'this_cpu'. - */ -extern void __send_remote_softirq(struct call_single_data *cp, int cpu, - int this_cpu, int softirq); - /* Tasklets --- multithreaded analogue of BHs. Main feature differing them of generic softirqs: tasklet @@ -655,7 +575,7 @@ void tasklet_hrtimer_cancel(struct tasklet_hrtimer *ttimer) * if more than one irq occurred. */ -#if defined(CONFIG_GENERIC_HARDIRQS) && !defined(CONFIG_GENERIC_IRQ_PROBE) +#if !defined(CONFIG_GENERIC_IRQ_PROBE) static inline unsigned long probe_irq_on(void) { return 0; |