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| author | Thomas Gleixner <tglx@linutronix.de> | 2023-04-25 20:49:17 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2023-06-18 22:41:51 +0200 |
| commit | 640fe745d7d4b6e47f3b455cb5de99a08c6b6d23 (patch) | |
| tree | 1658c7dbf951930b803fdb9ac148db46ba8ee88b /kernel/time | |
| parent | 3561fcb402b7ab7fdb4c1746dae4995889506605 (diff) | |
| download | linux-640fe745d7d4b6e47f3b455cb5de99a08c6b6d23.tar.gz | |
posix-timers: Document nanosleep() details
The descriptions for common_nsleep() is wrong and common_nsleep_timens()
lacks any form of comment.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/20230425183313.567072835@linutronix.de
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/posix-timers.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index 03ef6af1633b5..54adb4cfd4f2b 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -1370,7 +1370,7 @@ SYSCALL_DEFINE2(clock_getres_time32, clockid_t, which_clock, #endif /* - * nanosleep for monotonic and realtime clocks + * sys_clock_nanosleep() for CLOCK_REALTIME and CLOCK_TAI */ static int common_nsleep(const clockid_t which_clock, int flags, const struct timespec64 *rqtp) @@ -1382,8 +1382,13 @@ static int common_nsleep(const clockid_t which_clock, int flags, which_clock); } +/* + * sys_clock_nanosleep() for CLOCK_MONOTONIC and CLOCK_BOOTTIME + * + * Absolute nanosleeps for these clocks are time-namespace adjusted. + */ static int common_nsleep_timens(const clockid_t which_clock, int flags, - const struct timespec64 *rqtp) + const struct timespec64 *rqtp) { ktime_t texp = timespec64_to_ktime(*rqtp); |