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debugobjects: add timer specific object debugging code

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Add calls to the generic object debugging infrastructure and provide fixup
functions which allow to keep the system alive when recoverable problems have
been detected by the object debugging core code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Greg KH <greg@kroah.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Thomas Gleixner 2008-04-30 00:55:03 -07:00 • committed by Linus Torvalds
parent 691cc54c7d
commit c6f3a97f86
6 changed files with 187 additions and 13 deletions
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23
include/linux/timer.h
View file

@ -4,6 +4,7 @@
#include <linux/list.h>
#include <linux/ktime.h>
#include <linux/stddef.h>
#include <linux/debugobjects.h>
struct tvec_base;
@ -25,6 +26,7 @@ struct timer_list {
extern struct tvec_base boot_tvec_bases;
#define TIMER_INITIALIZER(_function, _expires, _data) { \
.entry = { .prev = TIMER_ENTRY_STATIC }, \
.function = (_function), \
.expires = (_expires), \
.data = (_data), \
@ -38,6 +40,17 @@ extern struct tvec_base boot_tvec_bases;
void init_timer(struct timer_list *timer);
void init_timer_deferrable(struct timer_list *timer);
#ifdef CONFIG_DEBUG_OBJECTS_TIMERS
extern void init_timer_on_stack(struct timer_list *timer);
extern void destroy_timer_on_stack(struct timer_list *timer);
#else
static inline void destroy_timer_on_stack(struct timer_list *timer) { }
static inline void init_timer_on_stack(struct timer_list *timer)
{
init_timer(timer);
}
#endif
static inline void setup_timer(struct timer_list * timer,
void (*function)(unsigned long),
unsigned long data)
@ -47,6 +60,15 @@ static inline void setup_timer(struct timer_list * timer,
init_timer(timer);
}
static inline void setup_timer_on_stack(struct timer_list *timer,
void (*function)(unsigned long),
unsigned long data)
{
timer->function = function;
timer->data = data;
init_timer_on_stack(timer);
}
/**
* timer_pending - is a timer pending?
* @timer: the timer in question
@ -164,5 +186,4 @@ unsigned long __round_jiffies_relative(unsigned long j, int cpu);
unsigned long round_jiffies(unsigned long j);
unsigned long round_jiffies_relative(unsigned long j);
#endif