diff options
| author | Ingo Molnar <[email protected]> | 2014-11-12 15:09:01 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2014-11-12 15:09:01 +0100 |
| commit | 890ca861f868a10617029ffc87eae7d48ea6876c (patch) | |
| tree | 713383f4e3bbd94ddb9816a25e6b3911511908f1 /kernel/time/timekeeping_internal.h | |
| parent | 03452d27c6cd9cebb59a6bb0fb6bd8557916c263 (diff) | |
| parent | 206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff) | |
Merge tag 'v3.18-rc4' into x86/cleanups, to refresh the tree before pulling new changes.
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'kernel/time/timekeeping_internal.h')
| -rw-r--r-- | kernel/time/timekeeping_internal.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/kernel/time/timekeeping_internal.h b/kernel/time/timekeeping_internal.h index 13323ea08ffa..4ea005a7f9da 100644 --- a/kernel/time/timekeeping_internal.h +++ b/kernel/time/timekeeping_internal.h @@ -3,12 +3,27 @@ /* * timekeeping debug functions */ +#include <linux/clocksource.h> #include <linux/time.h> #ifdef CONFIG_DEBUG_FS -extern void tk_debug_account_sleep_time(struct timespec *t); +extern void tk_debug_account_sleep_time(struct timespec64 *t); #else #define tk_debug_account_sleep_time(x) #endif +#ifdef CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE +static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask) +{ + cycle_t ret = (now - last) & mask; + + return (s64) ret > 0 ? ret : 0; +} +#else +static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask) +{ + return (now - last) & mask; +} +#endif + #endif /* _TIMEKEEPING_INTERNAL_H */ |