From f037c1171db79be2a047b1a5aafa2fd1f05051cb Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 11 Jun 2014 23:59:17 +0000 Subject: fork: Use ktime_get_ts() do_posix_clock_monotonic_gettime() is a leftover from the initial posix timer implementation which maps to ktime_get_ts(). Signed-off-by: Thomas Gleixner Cc: John Stultz Cc: Peter Zijlstra Cc: Oleg Nesterov Link: http://lkml.kernel.org/r/20140611234607.427408044@linutronix.de Signed-off-by: Thomas Gleixner Cc: Oleg Nesterov --- kernel/fork.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/fork.c') diff --git a/kernel/fork.c b/kernel/fork.c index d2799d1fc952..ea0dd7075543 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1262,7 +1262,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, posix_cpu_timers_init(p); - do_posix_clock_monotonic_gettime(&p->start_time); + ktime_get_ts(&p->start_time); p->real_start_time = p->start_time; monotonic_to_bootbased(&p->real_start_time); p->io_context = NULL; -- cgit v1.2.3 From 57e0be041d9e21a7397eed3b67a7936ac4ac83c0 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 16 Jul 2014 21:04:32 +0000 Subject: sched: Make task->real_start_time nanoseconds based Simplify the only user of this data by removing the timespec conversion. Signed-off-by: Thomas Gleixner Signed-off-by: John Stultz --- kernel/fork.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'kernel/fork.c') diff --git a/kernel/fork.c b/kernel/fork.c index 8f541930ce26..a7ab82db2f60 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1263,8 +1263,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, posix_cpu_timers_init(p); ktime_get_ts(&p->start_time); - p->real_start_time = p->start_time; - monotonic_to_bootbased(&p->real_start_time); + p->real_start_time = ktime_get_boot_ns(); p->io_context = NULL; p->audit_context = NULL; if (clone_flags & CLONE_THREAD) -- cgit v1.2.3 From ccbf62d8a284cf181ac28c8e8407dd077d90dd4b Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 16 Jul 2014 21:04:34 +0000 Subject: sched: Make task->start_time nanoseconds based Simplify the timespec to nsec/usec conversions. Signed-off-by: Thomas Gleixner Signed-off-by: John Stultz --- kernel/fork.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/fork.c') diff --git a/kernel/fork.c b/kernel/fork.c index a7ab82db2f60..627b7f80afb0 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1262,7 +1262,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, posix_cpu_timers_init(p); - ktime_get_ts(&p->start_time); + p->start_time = ktime_get_ns(); p->real_start_time = ktime_get_boot_ns(); p->io_context = NULL; p->audit_context = NULL; -- cgit v1.2.3