From: Dmitry Safonov <dima@arista.com> To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@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, Andrei Vagin <avagin@gmail.com> Subject: [PATCHv8 26/34] x86/vdso: Zap vvar pages on switch a time namspace Date: Tue, 12 Nov 2019 01:27:15 +0000 [thread overview] Message-ID: <20191112012724.250792-27-dima@arista.com> (raw) In-Reply-To: <20191112012724.250792-1-dima@arista.com> The VVAR page layout depends on whether a task belongs to the root or non-root time namespace. Whenever a task changes its namespace, the VVAR page tables are cleared and then they will re-faulted with a corresponding layout. Co-developed-by: Andrei Vagin <avagin@gmail.com> Signed-off-by: Andrei Vagin <avagin@gmail.com> Signed-off-by: Dmitry Safonov <dima@arista.com> --- arch/x86/entry/vdso/vma.c | 27 +++++++++++++++++++++++++++ include/linux/time_namespace.h | 9 +++++++++ kernel/time/namespace.c | 10 ++++++++++ 3 files changed, 46 insertions(+) diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c index d6cb8a16f368..57ada3e95f8d 100644 --- a/arch/x86/entry/vdso/vma.c +++ b/arch/x86/entry/vdso/vma.c @@ -50,6 +50,7 @@ void __init init_vdso_image(const struct vdso_image *image) image->alt_len)); } +static const struct vm_special_mapping vvar_mapping; struct linux_binprm; static vm_fault_t vdso_fault(const struct vm_special_mapping *sm, @@ -127,6 +128,32 @@ static struct page *find_timens_vvar_page(struct vm_area_struct *vma) return NULL; } + +/* + * The vvar page layout depends on whether a task belongs to the root or + * non-root time namespace. Whenever a task changes its namespace, the VVAR + * page tables are cleared and then they will re-faulted with a + * corresponding layout. + * See also the comment near timens_setup_vdso_data() for details. + */ +int vdso_join_timens(struct task_struct *task, struct time_namespace *ns) +{ + struct mm_struct *mm = task->mm; + struct vm_area_struct *vma; + + if (down_write_killable(&mm->mmap_sem)) + return -EINTR; + + for (vma = mm->mmap; vma; vma = vma->vm_next) { + unsigned long size = vma->vm_end - vma->vm_start; + + if (vma_is_special_mapping(vma, &vvar_mapping)) + zap_page_range(vma, vma->vm_start, size); + } + + up_write(&mm->mmap_sem); + return 0; +} #else static inline struct page *find_timens_vvar_page(struct vm_area_struct *vma) { diff --git a/include/linux/time_namespace.h b/include/linux/time_namespace.h index cdb438ba0037..f1cdd3a6f842 100644 --- a/include/linux/time_namespace.h +++ b/include/linux/time_namespace.h @@ -30,6 +30,9 @@ struct time_namespace { extern struct time_namespace init_time_ns; #ifdef CONFIG_TIME_NS +extern int vdso_join_timens(struct task_struct *task, + struct time_namespace *ns); + static inline struct time_namespace *get_time_ns(struct time_namespace *ns) { kref_get(&ns->kref); @@ -74,6 +77,12 @@ static inline ktime_t timens_ktime_to_host(clockid_t clockid, ktime_t tim) } #else +static inline int vdso_join_timens(struct task_struct *task, + struct time_namespace *ns) +{ + return 0; +} + static inline struct time_namespace *get_time_ns(struct time_namespace *ns) { return NULL; diff --git a/kernel/time/namespace.c b/kernel/time/namespace.c index e14cd1ca387d..0dc0742ed1ee 100644 --- a/kernel/time/namespace.c +++ b/kernel/time/namespace.c @@ -280,6 +280,7 @@ static void timens_put(struct ns_common *ns) static int timens_install(struct nsproxy *nsproxy, struct ns_common *new) { struct time_namespace *ns = to_time_ns(new); + int err; if (!current_is_single_threaded()) return -EUSERS; @@ -290,6 +291,10 @@ static int timens_install(struct nsproxy *nsproxy, struct ns_common *new) timens_set_vvar_page(current, ns); + err = vdso_join_timens(current, ns); + if (err) + return err; + get_time_ns(ns); put_time_ns(nsproxy->time_ns); nsproxy->time_ns = ns; @@ -304,6 +309,7 @@ int timens_on_fork(struct nsproxy *nsproxy, struct task_struct *tsk) { struct ns_common *nsc = &nsproxy->time_ns_for_children->ns; struct time_namespace *ns = to_time_ns(nsc); + int err; /* create_new_namespaces() already incremented the ref counter */ if (nsproxy->time_ns == nsproxy->time_ns_for_children) @@ -311,6 +317,10 @@ int timens_on_fork(struct nsproxy *nsproxy, struct task_struct *tsk) timens_set_vvar_page(tsk, ns); + err = vdso_join_timens(tsk, ns); + if (err) + return err; + get_time_ns(ns); put_time_ns(nsproxy->time_ns); nsproxy->time_ns = ns; -- 2.24.0
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>, 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: [PATCHv8 26/34] x86/vdso: Zap vvar pages on switch a time namspace Date: Tue, 12 Nov 2019 01:27:15 +0000 [thread overview] Message-ID: <20191112012724.250792-27-dima@arista.com> (raw) In-Reply-To: <20191112012724.250792-1-dima@arista.com> The VVAR page layout depends on whether a task belongs to the root or non-root time namespace. Whenever a task changes its namespace, the VVAR page tables are cleared and then they will re-faulted with a corresponding layout. Co-developed-by: Andrei Vagin <avagin@gmail.com> Signed-off-by: Andrei Vagin <avagin@gmail.com> Signed-off-by: Dmitry Safonov <dima@arista.com> --- arch/x86/entry/vdso/vma.c | 27 +++++++++++++++++++++++++++ include/linux/time_namespace.h | 9 +++++++++ kernel/time/namespace.c | 10 ++++++++++ 3 files changed, 46 insertions(+) diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c index d6cb8a16f368..57ada3e95f8d 100644 --- a/arch/x86/entry/vdso/vma.c +++ b/arch/x86/entry/vdso/vma.c @@ -50,6 +50,7 @@ void __init init_vdso_image(const struct vdso_image *image) image->alt_len)); } +static const struct vm_special_mapping vvar_mapping; struct linux_binprm; static vm_fault_t vdso_fault(const struct vm_special_mapping *sm, @@ -127,6 +128,32 @@ static struct page *find_timens_vvar_page(struct vm_area_struct *vma) return NULL; } + +/* + * The vvar page layout depends on whether a task belongs to the root or + * non-root time namespace. Whenever a task changes its namespace, the VVAR + * page tables are cleared and then they will re-faulted with a + * corresponding layout. + * See also the comment near timens_setup_vdso_data() for details. + */ +int vdso_join_timens(struct task_struct *task, struct time_namespace *ns) +{ + struct mm_struct *mm = task->mm; + struct vm_area_struct *vma; + + if (down_write_killable(&mm->mmap_sem)) + return -EINTR; + + for (vma = mm->mmap; vma; vma = vma->vm_next) { + unsigned long size = vma->vm_end - vma->vm_start; + + if (vma_is_special_mapping(vma, &vvar_mapping)) + zap_page_range(vma, vma->vm_start, size); + } + + up_write(&mm->mmap_sem); + return 0; +} #else static inline struct page *find_timens_vvar_page(struct vm_area_struct *vma) { diff --git a/include/linux/time_namespace.h b/include/linux/time_namespace.h index cdb438ba0037..f1cdd3a6f842 100644 --- a/include/linux/time_namespace.h +++ b/include/linux/time_namespace.h @@ -30,6 +30,9 @@ struct time_namespace { extern struct time_namespace init_time_ns; #ifdef CONFIG_TIME_NS +extern int vdso_join_timens(struct task_struct *task, + struct time_namespace *ns); + static inline struct time_namespace *get_time_ns(struct time_namespace *ns) { kref_get(&ns->kref); @@ -74,6 +77,12 @@ static inline ktime_t timens_ktime_to_host(clockid_t clockid, ktime_t tim) } #else +static inline int vdso_join_timens(struct task_struct *task, + struct time_namespace *ns) +{ + return 0; +} + static inline struct time_namespace *get_time_ns(struct time_namespace *ns) { return NULL; diff --git a/kernel/time/namespace.c b/kernel/time/namespace.c index e14cd1ca387d..0dc0742ed1ee 100644 --- a/kernel/time/namespace.c +++ b/kernel/time/namespace.c @@ -280,6 +280,7 @@ static void timens_put(struct ns_common *ns) static int timens_install(struct nsproxy *nsproxy, struct ns_common *new) { struct time_namespace *ns = to_time_ns(new); + int err; if (!current_is_single_threaded()) return -EUSERS; @@ -290,6 +291,10 @@ static int timens_install(struct nsproxy *nsproxy, struct ns_common *new) timens_set_vvar_page(current, ns); + err = vdso_join_timens(current, ns); + if (err) + return err; + get_time_ns(ns); put_time_ns(nsproxy->time_ns); nsproxy->time_ns = ns; @@ -304,6 +309,7 @@ int timens_on_fork(struct nsproxy *nsproxy, struct task_struct *tsk) { struct ns_common *nsc = &nsproxy->time_ns_for_children->ns; struct time_namespace *ns = to_time_ns(nsc); + int err; /* create_new_namespaces() already incremented the ref counter */ if (nsproxy->time_ns == nsproxy->time_ns_for_children) @@ -311,6 +317,10 @@ int timens_on_fork(struct nsproxy *nsproxy, struct task_struct *tsk) timens_set_vvar_page(tsk, ns); + err = vdso_join_timens(tsk, ns); + if (err) + return err; + get_time_ns(ns); put_time_ns(nsproxy->time_ns); nsproxy->time_ns = ns; -- 2.24.0
next prev parent reply other threads:[~2019-11-12 1:28 UTC|newest] Thread overview: 160+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-12 1:26 [PATCHv8 00/34] kernel: Introduce Time Namespace Dmitry Safonov 2019-11-12 1:26 ` Dmitry Safonov 2019-11-12 1:26 ` [PATCHv8 01/34] lib/vdso: Add unlikely() hint into vdso_read_begin() Dmitry Safonov 2019-11-12 1:26 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:26 ` [PATCHv8 02/34] lib/vdso: make do_hres and do_coarse as __always_inline Dmitry Safonov 2019-11-12 1:26 ` Dmitry Safonov 2020-01-10 9:45 ` Vincenzo Frascino 2020-01-10 9:45 ` Vincenzo Frascino 2020-01-10 11:42 ` Thomas Gleixner 2020-01-10 11:47 ` Vincenzo Frascino 2020-01-10 11:47 ` Vincenzo Frascino 2020-01-10 12:02 ` Thomas Gleixner 2020-01-10 12:18 ` Vincenzo Frascino 2020-01-10 12:18 ` Vincenzo Frascino 2020-01-13 5:27 ` Andrei Vagin 2020-01-13 5:27 ` Andrei Vagin 2020-01-13 19:09 ` [tip: timers/core] lib/vdso: Mark do_hres() and do_coarse() " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:26 ` [PATCHv8 03/34] ns: Introduce Time Namespace Dmitry Safonov 2019-11-12 1:26 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2020-01-27 14:12 ` [PATCHv8 03/34] " Dmitry Vyukov 2020-01-27 14:12 ` Dmitry Vyukov 2020-01-27 14:19 ` Dmitry Safonov 2020-01-27 14:19 ` Dmitry Safonov 2020-02-17 14:20 ` Time Namespaces: CLONE_NEWTIME and clone3()? Michael Kerrisk 2020-02-17 14:59 ` Christian Brauner 2020-02-17 21:47 ` Michael Kerrisk (man-pages) 2020-02-17 23:03 ` Christian Brauner 2020-02-17 23:29 ` Thomas Gleixner 2020-02-18 2:37 ` Eric W. Biederman 2020-02-18 17:11 ` Adrian Reber 2020-02-18 17:26 ` Christian Brauner 2019-11-12 1:26 ` [PATCHv8 04/34] time: Add timens_offsets to be used for tasks in timens Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] time: Add timens_offsets to be used for tasks in time namespace tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:26 ` [PATCHv8 05/34] posix-clocks: Rename the clock_get() callback to clock_get_timespec() Dmitry Safonov 2019-11-12 1:26 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:26 ` [PATCHv8 06/34] posix-clocks: Rename .clock_get_timespec() callbacks accordingly Dmitry Safonov 2019-11-12 1:26 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:26 ` [PATCHv8 07/34] alarmtimer: Rename gettime() callback to get_ktime() Dmitry Safonov 2019-11-12 1:26 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:26 ` [PATCHv8 08/34] alarmtimer: Provide get_timespec() callback Dmitry Safonov 2019-11-12 1:26 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:26 ` [PATCHv8 09/34] posix-clocks: Introduce clock_get_ktime() callback Dmitry Safonov 2019-11-12 1:26 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:26 ` [PATCHv8 10/34] posix-timers: Use clock_get_ktime() in common_timer_get() Dmitry Safonov 2019-11-12 1:26 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 11/34] posix-clocks: Wire up clock_gettime() with timens offsets Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 12/34] kernel: Add do_timens_ktime_to_host() helper Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] time: " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 13/34] timerfd: Make timerfd_settime() time namespace aware Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 14/34] posix-timers: Make timer_settime() " Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 15/34] alarmtimer: Make nanosleep " Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] alarmtimer: Make nanosleep() " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 16/34] hrtimers: Prepare hrtimer_nanosleep() for time namespaces Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 17/34] posix-timers: Make clock_nanosleep() time namespace aware Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 18/34] fs/proc: Respect boottime inside time namespace for /proc/uptime Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Dmitry Safonov 2020-01-14 13:02 ` tip-bot2 for Dmitry Safonov 2019-11-12 1:27 ` [PATCHv8 19/34] x86/vdso: Restrict splitting VVAR VMA Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Dmitry Safonov 2020-01-14 13:02 ` tip-bot2 for Dmitry Safonov 2019-11-12 1:27 ` [PATCHv8 20/34] lib/vdso: Prepare for time namespace support Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-12 10:32 ` Thomas Gleixner 2020-01-12 10:32 ` Thomas Gleixner 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Thomas Gleixner 2020-01-14 13:02 ` tip-bot2 for Thomas Gleixner 2019-11-12 1:27 ` [PATCHv8 21/34] x86/vdso: Provide vdso_data offset on vvar_page Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Dmitry Safonov 2020-01-14 13:02 ` tip-bot2 for Dmitry Safonov 2019-11-12 1:27 ` [PATCHv8 22/34] x86/vdso: Add timens page Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] x86/vdso: Add time napespace page tip-bot2 for Dmitry Safonov 2020-01-14 13:02 ` tip-bot2 for Dmitry Safonov 2019-11-12 1:27 ` [PATCHv8 23/34] time: Allocate per-timens vvar page Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Dmitry Safonov 2020-01-14 13:02 ` tip-bot2 for Dmitry Safonov 2019-11-12 1:27 ` [PATCHv8 24/34] x86/vdso: Handle faults on timens page Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Dmitry Safonov 2020-01-14 13:02 ` tip-bot2 for Dmitry Safonov 2019-11-12 1:27 ` [PATCHv8 25/34] x86/vdso: On timens page fault prefault also VVAR page Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Dmitry Safonov 2020-01-14 13:02 ` tip-bot2 for Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov [this message] 2019-11-12 1:27 ` [PATCHv8 26/34] x86/vdso: Zap vvar pages on switch a time namspace Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] x86/vdso: Zap vvar pages when switching to a time namespace tip-bot2 for Dmitry Safonov 2020-01-14 13:02 ` tip-bot2 for Dmitry Safonov 2019-11-12 1:27 ` [PATCHv8 27/34] fs/proc: Introduce /proc/pid/timens_offsets Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 28/34] selftests/timens: Add Time Namespace test for supported clocks Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Dmitry Safonov 2020-01-14 13:02 ` tip-bot2 for Dmitry Safonov 2019-11-12 1:27 ` [PATCHv8 29/34] selftests/timens: Add a test for timerfd Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 30/34] selftests/timens: Add a test for clock_nanosleep() Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 31/34] selftests/timens: Add procfs selftest Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Dmitry Safonov 2020-01-14 13:02 ` tip-bot2 for Dmitry Safonov 2019-11-12 1:27 ` [PATCHv8 32/34] selftests/timens: Add timer offsets test Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 33/34] selftests/timens: Add a simple perf test for clock_gettime() Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-12 1:27 ` [PATCHv8 34/34] selftests/timens: Check for right timens offsets after fork and exec Dmitry Safonov 2019-11-12 1:27 ` Dmitry Safonov 2020-01-13 19:09 ` [tip: timers/core] " tip-bot2 for Andrei Vagin 2020-01-14 13:02 ` tip-bot2 for Andrei Vagin 2019-11-21 18:05 ` [PATCHv8 00/34] kernel: Introduce Time Namespace Andrei Vagin 2019-12-11 20:38 ` Dmitry Safonov 2020-01-09 21:09 ` Thomas Gleixner 2020-01-10 9:52 ` Vincenzo Frascino
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