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timekeeping: Make xtime and wall_to_monotonic static 

This patch makes xtime and wall_to_monotonic static, as planned in
Documentation/feature-removal-schedule.txt. This will allow for
further cleanups to the timekeeping core.

Signed-off-by: John Stultz <johnstul@us.ibm.com>
LKML-Reference: <1279068988-21864-10-git-send-email-johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
hifive-unleashed-5.1
John Stultz 2010-07-13 17:56:26 -07:00 committed by Thomas Gleixner
parent 8ab4351a4c
commit 0fb86b0629
3 changed files with 2 additions and 14 deletions
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10
Documentation/feature-removal-schedule.txt
View File

@ -549,16 +549,6 @@ Who: Avi Kivity <avi@redhat.com>
----------------------------
What: xtime, wall_to_monotonic
When: 2.6.36+
Files: kernel/time/timekeeping.c include/linux/time.h
Why: Cleaning up timekeeping internal values. Please use
existing timekeeping accessor functions to access
the equivalent functionality.
Who: John Stultz <johnstul@us.ibm.com>
----------------------------
What: KVM kernel-allocated memory slots
When: July 2010
Why: Since 2.6.25, kvm supports user-allocated memory slots, which are

2
include/linux/time.h
View File

@ -113,8 +113,6 @@ static inline struct timespec timespec_sub(struct timespec lhs,
#define timespec_valid(ts) \
(((ts)->tv_sec >= 0) && (((unsigned long) (ts)->tv_nsec) < NSEC_PER_SEC))
extern struct timespec xtime;
extern struct timespec wall_to_monotonic;
extern seqlock_t xtime_lock;
extern void read_persistent_clock(struct timespec *ts);

4
kernel/time/timekeeping.c
View File

@ -153,8 +153,8 @@ __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock);
* - wall_to_monotonic is no longer the boot time, getboottime must be
* used instead.
*/
struct timespec xtime __attribute__ ((aligned (16)));
struct timespec wall_to_monotonic __attribute__ ((aligned (16)));
static struct timespec xtime __attribute__ ((aligned (16)));
static struct timespec wall_to_monotonic __attribute__ ((aligned (16)));
static struct timespec total_sleep_time;
/*