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[PATCH] Simplify the registration of clocksources

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Enqueue clocksources in rating order to make selection of the clocksource
easier.  Also check the match with an user override at enqueue time.

Preparatory patch for the generic clocksource verification.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Roman Zippel <zippel@linux-m68k.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 2007-02-16 01:27:33 -08:00 • committed by Linus Torvalds
parent 26a08eb301
commit 92c7e00254
3 changed files with 61 additions and 66 deletions
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6
include/linux/clocksource.h
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@ -178,8 +178,8 @@ static inline void clocksource_calculate_interval(struct clocksource *c,
/* used to install a new clocksource */
int clocksource_register(struct clocksource*);
void clocksource_reselect(void);
struct clocksource* clocksource_get_next(void);
extern int clocksource_register(struct clocksource*);
extern struct clocksource* clocksource_get_next(void);
extern void clocksource_change_rating(struct clocksource *cs, int rating);
#endif /* _LINUX_CLOCKSOURCE_H */