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[PATCH] genirq: ARM dyntick cleanup

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Linus: "The hacks in kernel/irq/handle.c are really horrid. REALLY
horrid."

They are indeed. Move the dyntick quirks to ARM where they belong.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Thomas Gleixner 2006-07-03 02:18:48 +02:00 committed by Linus Torvalds
parent f82bc1762e
commit d061daa0e3
4 changed files with 17 additions and 12 deletions
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11
include/asm-arm/hw_irq.h
View File

@ -6,4 +6,15 @@
#include <asm/mach/irq.h>
#if defined(CONFIG_NO_IDLE_HZ)
# include <asm/dyntick.h>
# define handle_dynamic_tick(action) \
if (!(action->flags & SA_TIMER) && system_timer->dyn_tick) { \
write_seqlock(&xtime_lock); \
if (system_timer->dyn_tick->state & DYN_TICK_ENABLED) \
system_timer->dyn_tick->handler(irq, 0, regs); \
write_sequnlock(&xtime_lock); \
}
#endif
#endif

1
include/asm-arm/mach/time.h
View File

@ -69,6 +69,7 @@ extern void timer_tick(struct pt_regs *);
/*
* Kernel time keeping support.
*/
struct timespec;
extern int (*set_rtc)(void);
extern void save_time_delta(struct timespec *delta, struct timespec *rtc);
extern void restore_time_delta(struct timespec *delta, struct timespec *rtc);

4
include/linux/irq.h
View File

@ -182,6 +182,10 @@ extern int setup_irq(unsigned int irq, struct irqaction *new);
#ifdef CONFIG_GENERIC_HARDIRQS
#ifndef handle_dynamic_tick
# define handle_dynamic_tick(a) do { } while (0)
#endif
#ifdef CONFIG_SMP
static inline void set_native_irq_info(int irq, cpumask_t mask)
{

13
kernel/irq/handle.c
View File

@ -16,10 +16,6 @@
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
#include <asm/dyntick.h>
#endif
#include "internals.h"
/**
@ -133,14 +129,7 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
irqreturn_t ret, retval = IRQ_NONE;
unsigned int status = 0;
#if defined(CONFIG_NO_IDLE_HZ) && defined(CONFIG_ARM)
if (!(action->flags & SA_TIMER) && system_timer->dyn_tick != NULL) {
write_seqlock(&xtime_lock);
if (system_timer->dyn_tick->state & DYN_TICK_ENABLED)
system_timer->dyn_tick->handler(irq, 0, regs);
write_sequnlock(&xtime_lock);
}
#endif
handle_dynamic_tick(action);
if (!(action->flags & IRQF_DISABLED))
local_irq_enable();