From: Dmitry Safonov <dima@arista.com> To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Andrei Vagin <avagin@gmail.com>, Dmitry Safonov <dima@arista.com>, Adrian Reber <adrian@lisas.de>, Andrei Vagin <avagin@openvz.org>, Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Christian Brauner <christian.brauner@ubuntu.com>, Cyrill Gorcunov <gorcunov@openvz.org>, "Eric W. Biederman" <ebiederm@xmission.com>, "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>, Jann Horn <jannh@google.com>, Jeff Dike <jdike@addtoit.com>, Oleg Nesterov <oleg@redhat.com>, Pavel Emelyanov <xemul@virtuozzo.com>, Shuah Khan <shuah@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Vincenzo Frascino <vincenzo.frascino@arm.com>, containers@lists.linux-foundation.org, criu@openvz.org, linux-api@vger.kernel.org, x86@kernel.org Subject: [PATCHv6 07/36] posix-clocks: Introduce clock_get_ktime() callback Date: Thu, 15 Aug 2019 17:38:07 +0100 [thread overview] Message-ID: <20190815163836.2927-8-dima@arista.com> (raw) In-Reply-To: <20190815163836.2927-1-dima@arista.com> From: Andrei Vagin <avagin@gmail.com> The callsite in common_timer_get() has already a comment: /* * The timespec64 based conversion is suboptimal, but it's not * worth to implement yet another callback. */ kc->clock_get(timr->it_clock, &ts64); now = timespec64_to_ktime(ts64); The upcoming support for time namespaces requires to have access to: - The time in a task's time namespace for sys_clock_gettime() - The time in the root name space for common_timer_get() That adds a valid reason to finally implement a separate callback which returns the time in ktime_t format. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrei Vagin <avagin@gmail.com> Co-developed-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Dmitry Safonov <dima@arista.com> --- kernel/time/alarmtimer.c | 19 ++++++++++++++++++- kernel/time/posix-timers.c | 26 +++++++++++++++++++++++++- kernel/time/posix-timers.h | 3 +++ 3 files changed, 46 insertions(+), 2 deletions(-) diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 7732f0aabf6a..c8f8cf3d7d08 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -651,7 +651,7 @@ static int alarm_clock_getres(const clockid_t which_clock, struct timespec64 *tp * @which_clock: clockid * @tp: timespec to fill. * - * Provides the underlying alarm base time. + * Provides the underlying alarm base time in a tasks time namespace. */ static int alarm_clock_get_timespec(clockid_t which_clock, struct timespec64 *tp) { @@ -663,6 +663,22 @@ static int alarm_clock_get_timespec(clockid_t which_clock, struct timespec64 *tp return base->get_timespec(base->base_clockid, tp); } +/** + * alarm_clock_get_ktime - posix clock_get_ktime interface + * @which_clock: clockid + * + * Provides the underlying alarm base time in the root namespace. + */ +static ktime_t alarm_clock_get_ktime(clockid_t which_clock) +{ + struct alarm_base *base = &alarm_bases[clock2alarm(which_clock)]; + + if (!alarmtimer_get_rtcdev()) + return -EINVAL; + + return base->get_ktime(); +} + /** * alarm_timer_create - posix timer_create interface * @new_timer: k_itimer pointer to manage @@ -826,6 +842,7 @@ static int alarm_timer_nsleep(const clockid_t which_clock, int flags, const struct k_clock alarm_clock = { .clock_getres = alarm_clock_getres, + .clock_get_ktime = alarm_clock_get_ktime, .clock_get_timespec = alarm_clock_get_timespec, .timer_create = alarm_timer_create, .timer_set = common_timer_set, diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index 43049c5f1a22..7cf1216050d1 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -171,6 +171,11 @@ int posix_get_realtime_timespec(clockid_t which_clock, struct timespec64 *tp) return 0; } +static ktime_t posix_get_realtime_ktime(clockid_t which_clock) +{ + return ktime_get_real(); +} + /* Set clock_realtime */ static int posix_clock_realtime_set(const clockid_t which_clock, const struct timespec64 *tp) @@ -193,6 +198,11 @@ static int posix_get_monotonic_timespec(clockid_t which_clock, struct timespec64 return 0; } +static ktime_t posix_get_monotonic_ktime(clockid_t which_clock) +{ + return ktime_get(); +} + /* * Get monotonic-raw time for posix timers */ @@ -228,12 +238,22 @@ int posix_get_boottime_timespec(const clockid_t which_clock, struct timespec64 * return 0; } +static ktime_t posix_get_boottime_ktime(const clockid_t which_clock) +{ + return ktime_get_boottime(); +} + static int posix_get_tai_timespec(clockid_t which_clock, struct timespec64 *tp) { ktime_get_clocktai_ts64(tp); return 0; } +static ktime_t posix_get_tai_ktime(clockid_t which_clock) +{ + return ktime_get_clocktai(); +} + static int posix_get_hrtimer_res(clockid_t which_clock, struct timespec64 *tp) { tp->tv_sec = 0; @@ -781,7 +801,7 @@ static void common_hrtimer_arm(struct k_itimer *timr, ktime_t expires, * Posix magic: Relative CLOCK_REALTIME timers are not affected by * clock modifications, so they become CLOCK_MONOTONIC based under the * hood. See hrtimer_init(). Update timr->kclock, so the generic - * functions which use timr->kclock->clock_get_timespec() work. + * functions which use timr->kclock->clock_get_*() work. * * Note: it_clock stays unmodified, because the next timer_set() might * use ABSTIME, so it needs to switch back. @@ -1268,6 +1288,7 @@ SYSCALL_DEFINE4(clock_nanosleep_time32, clockid_t, which_clock, int, flags, static const struct k_clock clock_realtime = { .clock_getres = posix_get_hrtimer_res, .clock_get_timespec = posix_get_realtime_timespec, + .clock_get_ktime = posix_get_realtime_ktime, .clock_set = posix_clock_realtime_set, .clock_adj = posix_clock_realtime_adj, .nsleep = common_nsleep, @@ -1285,6 +1306,7 @@ static const struct k_clock clock_realtime = { static const struct k_clock clock_monotonic = { .clock_getres = posix_get_hrtimer_res, .clock_get_timespec = posix_get_monotonic_timespec, + .clock_get_ktime = posix_get_monotonic_ktime, .nsleep = common_nsleep, .timer_create = common_timer_create, .timer_set = common_timer_set, @@ -1314,6 +1336,7 @@ static const struct k_clock clock_monotonic_coarse = { static const struct k_clock clock_tai = { .clock_getres = posix_get_hrtimer_res, + .clock_get_ktime = posix_get_tai_ktime, .clock_get_timespec = posix_get_tai_timespec, .nsleep = common_nsleep, .timer_create = common_timer_create, @@ -1329,6 +1352,7 @@ static const struct k_clock clock_tai = { static const struct k_clock clock_boottime = { .clock_getres = posix_get_hrtimer_res, + .clock_get_ktime = posix_get_boottime_ktime, .clock_get_timespec = posix_get_boottime_timespec, .nsleep = common_nsleep, .timer_create = common_timer_create, diff --git a/kernel/time/posix-timers.h b/kernel/time/posix-timers.h index b3cc9ee36a6b..183994f7e466 100644 --- a/kernel/time/posix-timers.h +++ b/kernel/time/posix-timers.h @@ -6,8 +6,11 @@ struct k_clock { struct timespec64 *tp); int (*clock_set)(const clockid_t which_clock, const struct timespec64 *tp); + /* Returns the clock value in the current time namespace. */ int (*clock_get_timespec)(const clockid_t which_clock, struct timespec64 *tp); + /* Returns the clock value in the root time namespace. */ + ktime_t (*clock_get_ktime)(const clockid_t which_clock); int (*clock_adj)(const clockid_t which_clock, struct __kernel_timex *tx); int (*timer_create)(struct k_itimer *timer); int (*nsleep)(const clockid_t which_clock, int flags, -- 2.22.0
WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Safonov <dima@arista.com> To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Andrei Vagin <avagin@gmail.com>, Dmitry Safonov <dima@arista.com>, Adrian Reber <adrian@lisas.de>, Andrei Vagin <avagin@openvz.org>, Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Christian Brauner <christian.brauner@ubuntu.com>, Cyrill Gorcunov <gorcunov@openvz.org>, "Eric W. Biederman" <ebiederm@xmission.com>, "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>, Jann Horn <jannh@google.com>, Jeff Dike <jdike@addtoit.com>, Oleg Nesterov <oleg@redhat.com>, Pavel Emelyanov <xemul@virtuozzo.com>, Shuah Khan <shuah@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Vincenzo Frascino <vincenzo.frascino@arm.com>, containers@lists.linux-foundation.org, criu@openvz.org, linux-api Subject: [PATCHv6 07/36] posix-clocks: Introduce clock_get_ktime() callback Date: Thu, 15 Aug 2019 17:38:07 +0100 [thread overview] Message-ID: <20190815163836.2927-8-dima@arista.com> (raw) In-Reply-To: <20190815163836.2927-1-dima@arista.com> From: Andrei Vagin <avagin@gmail.com> The callsite in common_timer_get() has already a comment: /* * The timespec64 based conversion is suboptimal, but it's not * worth to implement yet another callback. */ kc->clock_get(timr->it_clock, &ts64); now = timespec64_to_ktime(ts64); The upcoming support for time namespaces requires to have access to: - The time in a task's time namespace for sys_clock_gettime() - The time in the root name space for common_timer_get() That adds a valid reason to finally implement a separate callback which returns the time in ktime_t format. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrei Vagin <avagin@gmail.com> Co-developed-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Dmitry Safonov <dima@arista.com> --- kernel/time/alarmtimer.c | 19 ++++++++++++++++++- kernel/time/posix-timers.c | 26 +++++++++++++++++++++++++- kernel/time/posix-timers.h | 3 +++ 3 files changed, 46 insertions(+), 2 deletions(-) diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 7732f0aabf6a..c8f8cf3d7d08 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -651,7 +651,7 @@ static int alarm_clock_getres(const clockid_t which_clock, struct timespec64 *tp * @which_clock: clockid * @tp: timespec to fill. * - * Provides the underlying alarm base time. + * Provides the underlying alarm base time in a tasks time namespace. */ static int alarm_clock_get_timespec(clockid_t which_clock, struct timespec64 *tp) { @@ -663,6 +663,22 @@ static int alarm_clock_get_timespec(clockid_t which_clock, struct timespec64 *tp return base->get_timespec(base->base_clockid, tp); } +/** + * alarm_clock_get_ktime - posix clock_get_ktime interface + * @which_clock: clockid + * + * Provides the underlying alarm base time in the root namespace. + */ +static ktime_t alarm_clock_get_ktime(clockid_t which_clock) +{ + struct alarm_base *base = &alarm_bases[clock2alarm(which_clock)]; + + if (!alarmtimer_get_rtcdev()) + return -EINVAL; + + return base->get_ktime(); +} + /** * alarm_timer_create - posix timer_create interface * @new_timer: k_itimer pointer to manage @@ -826,6 +842,7 @@ static int alarm_timer_nsleep(const clockid_t which_clock, int flags, const struct k_clock alarm_clock = { .clock_getres = alarm_clock_getres, + .clock_get_ktime = alarm_clock_get_ktime, .clock_get_timespec = alarm_clock_get_timespec, .timer_create = alarm_timer_create, .timer_set = common_timer_set, diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index 43049c5f1a22..7cf1216050d1 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -171,6 +171,11 @@ int posix_get_realtime_timespec(clockid_t which_clock, struct timespec64 *tp) return 0; } +static ktime_t posix_get_realtime_ktime(clockid_t which_clock) +{ + return ktime_get_real(); +} + /* Set clock_realtime */ static int posix_clock_realtime_set(const clockid_t which_clock, const struct timespec64 *tp) @@ -193,6 +198,11 @@ static int posix_get_monotonic_timespec(clockid_t which_clock, struct timespec64 return 0; } +static ktime_t posix_get_monotonic_ktime(clockid_t which_clock) +{ + return ktime_get(); +} + /* * Get monotonic-raw time for posix timers */ @@ -228,12 +238,22 @@ int posix_get_boottime_timespec(const clockid_t which_clock, struct timespec64 * return 0; } +static ktime_t posix_get_boottime_ktime(const clockid_t which_clock) +{ + return ktime_get_boottime(); +} + static int posix_get_tai_timespec(clockid_t which_clock, struct timespec64 *tp) { ktime_get_clocktai_ts64(tp); return 0; } +static ktime_t posix_get_tai_ktime(clockid_t which_clock) +{ + return ktime_get_clocktai(); +} + static int posix_get_hrtimer_res(clockid_t which_clock, struct timespec64 *tp) { tp->tv_sec = 0; @@ -781,7 +801,7 @@ static void common_hrtimer_arm(struct k_itimer *timr, ktime_t expires, * Posix magic: Relative CLOCK_REALTIME timers are not affected by * clock modifications, so they become CLOCK_MONOTONIC based under the * hood. See hrtimer_init(). Update timr->kclock, so the generic - * functions which use timr->kclock->clock_get_timespec() work. + * functions which use timr->kclock->clock_get_*() work. * * Note: it_clock stays unmodified, because the next timer_set() might * use ABSTIME, so it needs to switch back. @@ -1268,6 +1288,7 @@ SYSCALL_DEFINE4(clock_nanosleep_time32, clockid_t, which_clock, int, flags, static const struct k_clock clock_realtime = { .clock_getres = posix_get_hrtimer_res, .clock_get_timespec = posix_get_realtime_timespec, + .clock_get_ktime = posix_get_realtime_ktime, .clock_set = posix_clock_realtime_set, .clock_adj = posix_clock_realtime_adj, .nsleep = common_nsleep, @@ -1285,6 +1306,7 @@ static const struct k_clock clock_realtime = { static const struct k_clock clock_monotonic = { .clock_getres = posix_get_hrtimer_res, .clock_get_timespec = posix_get_monotonic_timespec, + .clock_get_ktime = posix_get_monotonic_ktime, .nsleep = common_nsleep, .timer_create = common_timer_create, .timer_set = common_timer_set, @@ -1314,6 +1336,7 @@ static const struct k_clock clock_monotonic_coarse = { static const struct k_clock clock_tai = { .clock_getres = posix_get_hrtimer_res, + .clock_get_ktime = posix_get_tai_ktime, .clock_get_timespec = posix_get_tai_timespec, .nsleep = common_nsleep, .timer_create = common_timer_create, @@ -1329,6 +1352,7 @@ static const struct k_clock clock_tai = { static const struct k_clock clock_boottime = { .clock_getres = posix_get_hrtimer_res, + .clock_get_ktime = posix_get_boottime_ktime, .clock_get_timespec = posix_get_boottime_timespec, .nsleep = common_nsleep, .timer_create = common_timer_create, diff --git a/kernel/time/posix-timers.h b/kernel/time/posix-timers.h index b3cc9ee36a6b..183994f7e466 100644 --- a/kernel/time/posix-timers.h +++ b/kernel/time/posix-timers.h @@ -6,8 +6,11 @@ struct k_clock { struct timespec64 *tp); int (*clock_set)(const clockid_t which_clock, const struct timespec64 *tp); + /* Returns the clock value in the current time namespace. */ int (*clock_get_timespec)(const clockid_t which_clock, struct timespec64 *tp); + /* Returns the clock value in the root time namespace. */ + ktime_t (*clock_get_ktime)(const clockid_t which_clock); int (*clock_adj)(const clockid_t which_clock, struct __kernel_timex *tx); int (*timer_create)(struct k_itimer *timer); int (*nsleep)(const clockid_t which_clock, int flags, -- 2.22.0
next prev parent reply other threads:[~2019-08-15 16:40 UTC|newest] Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-15 16:38 [PATCHv6 00/36] kernel: Introduce Time Namespace Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 01/36] ns: " Dmitry Safonov 2019-08-15 17:19 ` Thomas Gleixner 2019-08-16 6:11 ` Andrei Vagin 2019-08-16 6:34 ` Thomas Gleixner 2019-08-15 16:38 ` [PATCHv6 02/36] timens: Add timens_offsets Dmitry Safonov 2019-08-15 17:21 ` Thomas Gleixner 2019-08-15 16:38 ` [PATCHv6 03/36] posix-clocks: Rename the clock_get() into clock_get_timespec() Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 17:24 ` Thomas Gleixner 2019-08-15 16:38 ` [PATCHv6 04/36] posix-clocks: Rename .clock_get_timespec() callbacks accordingly Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 05/36] alarmtimer: Rename gettime() callback to get_ktime() Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 06/36] alarmtimer: Provide get_timespec() callback Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov [this message] 2019-08-15 16:38 ` [PATCHv6 07/36] posix-clocks: Introduce clock_get_ktime() callback Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 08/36] posix-timers: Use clock_get_ktime() in common_timer_get() Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 09/36] posix-clocks: Wire up clock_gettime() with timens offsets Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 10/36] kernel: Add do_timens_ktime_to_host() helper Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 17:38 ` Thomas Gleixner 2019-08-15 16:38 ` [PATCHv6 11/36] timerfd: Make timerfd_settime() time namespace aware Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 12/36] posix-timers: Make timer_settime() " Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 13/36] alarmtimer: Make nanosleep " Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 14/36] hrtimers: Prepare hrtimer_nanosleep() for time namespaces Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 17:44 ` Thomas Gleixner 2019-08-15 16:38 ` [PATCHv6 15/36] posix-timers: Make clock_nanosleep() time namespace aware Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 16/36] fd/proc: Respect boottime inside time namespace for /proc/uptime Dmitry Safonov 2019-08-16 0:46 ` Randy Dunlap 2019-08-15 16:38 ` [PATCHv6 17/36] x86/vdso2c: Correct err messages on file opening Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 18/36] x86/vdso2c: Convert iterator to unsigned Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 19/36] x86/vdso/Makefile: Add vobjs32 Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 20/36] x86/vdso: Restrict splitting VVAR VMA Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 21/36] x86/vdso: Rename vdso_image {.data=>.text} Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 22/36] x86/vdso: Add offsets page in vvar Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 19:21 ` Thomas Gleixner 2019-08-16 20:20 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 23/36] x86/vdso: Allocate timens vdso Dmitry Safonov 2019-08-16 15:23 ` Andy Lutomirski 2019-08-16 20:10 ` Thomas Gleixner 2019-08-16 22:47 ` Dmitry Safonov 2019-08-18 16:21 ` Thomas Gleixner 2019-08-18 16:24 ` Thomas Gleixner 2019-08-18 16:29 ` Thomas Gleixner 2019-08-19 14:15 ` Dmitry Safonov 2019-08-19 14:44 ` Thomas Gleixner 2019-08-15 16:38 ` [PATCHv6 24/36] x86/vdso: Switch image on setns()/clone() Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 25/36] vdso: Introduce vdso_static_branch_unlikely() Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 18:03 ` Thomas Gleixner 2019-08-15 16:38 ` [PATCHv6 26/36] x86/vdso2c: Process jump tables Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 27/36] x86/vdso: Enable static branches for the timens vdso Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 28/36] posix-clocks: Add align for timens_offsets Dmitry Safonov 2019-08-15 19:22 ` Thomas Gleixner 2019-08-16 6:36 ` Thomas Gleixner 2019-08-15 16:38 ` [PATCHv6 29/36] fs/proc: Introduce /proc/pid/timens_offsets Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 30/36] selftest/timens: Add Time Namespace test for supported clocks Dmitry Safonov 2019-08-15 23:18 ` shuah 2019-08-16 6:20 ` Andrei Vagin 2019-08-15 16:38 ` [PATCHv6 31/36] selftest/timens: Add a test for timerfd Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 32/36] selftest/timens: Add a test for clock_nanosleep() Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 33/36] selftest/timens: Add procfs selftest Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 34/36] selftest/timens: Add timer offsets test Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 16:38 ` [PATCHv6 35/36] selftests/timens: Add a simple perf test for clock_gettime() Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov 2019-08-15 23:29 ` shuah 2019-08-15 16:38 ` [PATCHv6 36/36] selftest/timens: Check that a right vdso is mapped after fork and exec Dmitry Safonov 2019-08-15 16:38 ` Dmitry Safonov
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