diff options
| author | John Stultz <john.stultz@linaro.org> | 2012-09-12 03:58:13 +0400 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2012-09-24 20:38:08 +0400 |
| commit | 576094b7f0aaf41aadab9b7d4e5bd85faa432711 (patch) | |
| tree | 9cf7a86b58e5b6242625663af274b594085487fa /include/linux/timekeeper_internal.h | |
| parent | 706394211648117762edfaeffd6fc04bf3b1a75d (diff) | |
| download | linux-576094b7f0aaf41aadab9b7d4e5bd85faa432711.tar.xz | |
time: Introduce new GENERIC_TIME_VSYSCALL
Now that we moved everyone over to GENERIC_TIME_VSYSCALL_OLD,
introduce the new declaration and config option for the new
update_vsyscall method.
Cc: Tony Luck <tony.luck@intel.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Paul Turner <pjt@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'include/linux/timekeeper_internal.h')
| -rw-r--r-- | include/linux/timekeeper_internal.h | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h index a904d76a5faa..e1d558e237ec 100644 --- a/include/linux/timekeeper_internal.h +++ b/include/linux/timekeeper_internal.h @@ -66,16 +66,38 @@ struct timekeeper { seqlock_t lock; }; +static inline struct timespec tk_xtime(struct timekeeper *tk) +{ + struct timespec ts; + + ts.tv_sec = tk->xtime_sec; + ts.tv_nsec = (long)(tk->xtime_nsec >> tk->shift); + return ts; +} + + +#ifdef CONFIG_GENERIC_TIME_VSYSCALL + +extern void update_vsyscall(struct timekeeper *tk); +extern void update_vsyscall_tz(void); -#ifdef CONFIG_GENERIC_TIME_VSYSCALL_OLD -extern void -update_vsyscall_old(struct timespec *ts, struct timespec *wtm, - struct clocksource *c, u32 mult); +#elif defined(CONFIG_GENERIC_TIME_VSYSCALL_OLD) + +extern void update_vsyscall_old(struct timespec *ts, struct timespec *wtm, + struct clocksource *c, u32 mult); extern void update_vsyscall_tz(void); + +static inline void update_vsyscall(struct timekeeper *tk) +{ + struct timespec xt; + + xt = tk_xtime(tk); + update_vsyscall_old(&xt, &tk->wall_to_monotonic, tk->clock, tk->mult); +} + #else -static inline void -update_vsyscall_old(struct timespec *ts, struct timespec *wtm, - struct clocksource *c, u32 mult) + +static inline void update_vsyscall(struct timekeeper *tk) { } static inline void update_vsyscall_tz(void) |