[tip:sched/core] signal: Convert obsolete cputime type to nsecs

From: tip-bot for Frederic Weisbecker
Date: Wed Feb 01 2017 - 04:59:58 EST


Commit-ID: bde8285e5cf78417afda79f53bbc26ef801a27e7
Gitweb: http://git.kernel.org/tip/bde8285e5cf78417afda79f53bbc26ef801a27e7
Author: Frederic Weisbecker <fweisbec@xxxxxxxxx>
AuthorDate: Tue, 31 Jan 2017 04:09:31 +0100
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 1 Feb 2017 09:13:53 +0100

signal: Convert obsolete cputime type to nsecs

Use the new nsec based cputime accessors as part of the whole cputime
conversion from cputime_t to nsecs.

Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1485832191-26889-16-git-send-email-fweisbec@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
kernel/signal.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index b635221..13f9def 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1581,7 +1581,7 @@ bool do_notify_parent(struct task_struct *tsk, int sig)
unsigned long flags;
struct sighand_struct *psig;
bool autoreap = false;
- cputime_t utime, stime;
+ u64 utime, stime;

BUG_ON(sig == -1);

@@ -1619,9 +1619,9 @@ bool do_notify_parent(struct task_struct *tsk, int sig)
task_uid(tsk));
rcu_read_unlock();

- task_cputime_t(tsk, &utime, &stime);
- info.si_utime = cputime_to_clock_t(utime + nsecs_to_cputime(tsk->signal->utime));
- info.si_stime = cputime_to_clock_t(stime + nsecs_to_cputime(tsk->signal->stime));
+ task_cputime(tsk, &utime, &stime);
+ info.si_utime = nsec_to_clock_t(utime + tsk->signal->utime);
+ info.si_stime = nsec_to_clock_t(stime + tsk->signal->stime);

info.si_status = tsk->exit_code & 0x7f;
if (tsk->exit_code & 0x80)
@@ -1685,7 +1685,7 @@ static void do_notify_parent_cldstop(struct task_struct *tsk,
unsigned long flags;
struct task_struct *parent;
struct sighand_struct *sighand;
- cputime_t utime, stime;
+ u64 utime, stime;

if (for_ptracer) {
parent = tsk->parent;
@@ -1704,9 +1704,9 @@ static void do_notify_parent_cldstop(struct task_struct *tsk,
info.si_uid = from_kuid_munged(task_cred_xxx(parent, user_ns), task_uid(tsk));
rcu_read_unlock();

- task_cputime_t(tsk, &utime, &stime);
- info.si_utime = cputime_to_clock_t(utime);
- info.si_stime = cputime_to_clock_t(stime);
+ task_cputime(tsk, &utime, &stime);
+ info.si_utime = nsec_to_clock_t(utime);
+ info.si_stime = nsec_to_clock_t(stime);

info.si_code = why;
switch (why) {