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kernel/time/timekeeping.c: cleanups 

- remove the no longer required __attribute__((weak)) of xtime_lock
- remove the following no longer used EXPORT_SYMBOL's:
  - xtime
  - xtime_lock

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Adrian Bunk 2007-10-16 23:27:16 -07:00 committed by Linus Torvalds
parent f44ec6f3f8
commit ba2a631b14
2 changed files with 2 additions and 5 deletions
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2
include/linux/time.h
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@ -92,7 +92,7 @@ static inline struct timespec timespec_sub(struct timespec lhs,
extern struct timespec xtime;
extern struct timespec wall_to_monotonic;
extern seqlock_t xtime_lock __attribute__((weak));
extern seqlock_t xtime_lock;
extern unsigned long read_persistent_clock(void);
extern int update_persistent_clock(struct timespec now);

5
kernel/time/timekeeping.c
View File

@ -24,9 +24,7 @@
* This read-write spinlock protects us from races in SMP while
* playing with xtime and avenrun.
*/
__attribute__((weak)) __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock);
EXPORT_SYMBOL(xtime_lock);
__cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock);
/*
@ -47,7 +45,6 @@ EXPORT_SYMBOL(xtime_lock);
struct timespec xtime __attribute__ ((aligned (16)));
struct timespec wall_to_monotonic __attribute__ ((aligned (16)));
static unsigned long total_sleep_time; /* seconds */
EXPORT_SYMBOL(xtime);
static struct timespec xtime_cache __attribute__ ((aligned (16)));
static inline void update_xtime_cache(u64 nsec)