Subtracting plain nsec values and converting to timespec is simpler than the whole timespec math. Not really fastpath code, so the division is not an issue.
Signed-off-by: Thomas Gleixner <[email protected]> --- kernel/time/timekeeping.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) Index: tip/kernel/time/timekeeping.c =================================================================== --- tip.orig/kernel/time/timekeeping.c +++ tip/kernel/time/timekeeping.c @@ -1525,14 +1525,9 @@ out: void getboottime(struct timespec *ts) { struct timekeeper *tk = &tk_core.timekeeper; - struct timespec boottime = { - .tv_sec = tk->wall_to_monotonic.tv_sec + - tk->total_sleep_time.tv_sec, - .tv_nsec = tk->wall_to_monotonic.tv_nsec + - tk->total_sleep_time.tv_nsec - }; + ktime_t t = ktime_sub(tk->offs_real, tk->offs_boot); - set_normalized_timespec(ts, -boottime.tv_sec, -boottime.tv_nsec); + *ts = ktime_to_timespec(t); } EXPORT_SYMBOL_GPL(getboottime); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
