2023-04-25 18:51:10

by Thomas Gleixner

[permalink] [raw]
Subject: [patch 14/20] 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 <[email protected]>
---
kernel/time/posix-timers.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -1376,7 +1376,7 @@ SYSCALL_DEFINE2(clock_getres_time32, clo
#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)
@@ -1388,8 +1388,13 @@ static int common_nsleep(const clockid_t
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);



2023-06-01 12:56:58

by Frederic Weisbecker

[permalink] [raw]
Subject: Re: [patch 14/20] posix-timers: Document nanosleep() details

On Tue, Apr 25, 2023 at 08:49:17PM +0200, Thomas Gleixner wrote:
> The descriptions for common_nsleep() is wrong and common_nsleep_timens()
> lacks any form of comment.
>
> Signed-off-by: Thomas Gleixner <[email protected]>

Reviewed-by: Frederic Weisbecker <[email protected]>

Subject: [tip: timers/core] posix-timers: Document nanosleep() details

The following commit has been merged into the timers/core branch of tip:

Commit-ID: 13da885685d6ae339f2924d3c8a1f4fe16a904cc
Gitweb: https://git.kernel.org/tip/13da885685d6ae339f2924d3c8a1f4fe16a904cc
Author: Thomas Gleixner <[email protected]>
AuthorDate: Tue, 25 Apr 2023 20:49:17 +02:00
Committer: Thomas Gleixner <[email protected]>
CommitterDate: Mon, 05 Jun 2023 17:03:38 +02:00

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 <[email protected]>
Reviewed-by: Frederic Weisbecker <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

---
kernel/time/posix-timers.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 9d99d4b..9ce13c9 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);


Subject: [tip: timers/core] posix-timers: Document nanosleep() details

The following commit has been merged into the timers/core branch of tip:

Commit-ID: 640fe745d7d4b6e47f3b455cb5de99a08c6b6d23
Gitweb: https://git.kernel.org/tip/640fe745d7d4b6e47f3b455cb5de99a08c6b6d23
Author: Thomas Gleixner <[email protected]>
AuthorDate: Tue, 25 Apr 2023 20:49:17 +02:00
Committer: Thomas Gleixner <[email protected]>
CommitterDate: Sun, 18 Jun 2023 22:41:51 +02:00

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 <[email protected]>
Reviewed-by: Frederic Weisbecker <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

---
kernel/time/posix-timers.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 03ef6af..54adb4c 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);