linux-kernel - [PATCH 21/37] sched: Remove temporary cputime

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Message-Id: <1485109213-8561-22-git-send-email-fweisbec@gmail.com>
Date:   Sun, 22 Jan 2017 19:19:57 +0100
From:   Frederic Weisbecker <fweisbec@...il.com>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Frederic Weisbecker <fweisbec@...il.com>,
        Tony Luck <tony.luck@...el.com>,
        Wanpeng Li <wanpeng.li@...mail.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Paul Mackerras <paulus@...ba.org>,
        Ingo Molnar <mingo@...nel.org>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Rik van Riel <riel@...hat.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Stanislaw Gruszka <sgruszka@...hat.com>
Subject: [PATCH 21/37] sched: Remove temporary cputime_t accessors

Now that the whole cputime conversion to nsec units is complete, we
can remove the compatibility accessors.

Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Heiko Carstens <heiko.carstens@...ibm.com>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Fenghua Yu <fenghua.yu@...el.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Rik van Riel <riel@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Stanislaw Gruszka <sgruszka@...hat.com>
Cc: Wanpeng Li <wanpeng.li@...mail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
---
 include/linux/sched.h | 40 ----------------------------------------
 1 file changed, 40 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index cc10cd5..762a0b6 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -29,7 +29,6 @@ struct sched_param {
 
 #include <asm/page.h>
 #include <asm/ptrace.h>
-#include <linux/cputime.h>
 
 #include <linux/smp.h>
 #include <linux/sem.h>
@@ -613,13 +612,6 @@ struct task_cputime {
 	unsigned long long sum_exec_runtime;
 };
 
-/* Temporary type to ease cputime_t to nsecs conversion */
-struct task_cputime_t {
-	cputime_t utime;
-	cputime_t stime;
-	unsigned long long sum_exec_runtime;
-};
-
 /* Alternate field names when used to cache expirations. */
 #define virt_exp	utime
 #define prof_exp	stime
@@ -2291,27 +2283,6 @@ static inline void task_cputime_scaled(struct task_struct *t,
 }
 #endif
 
-static inline void task_cputime_t(struct task_struct *t,
-				  cputime_t *utime, cputime_t *stime)
-{
-	u64 ut, st;
-
-	task_cputime(t, &ut, &st);
-	*utime = nsecs_to_cputime(ut);
-	*stime = nsecs_to_cputime(st);
-}
-
-static inline void task_cputime_t_scaled(struct task_struct *t,
-					 cputime_t *utimescaled,
-					 cputime_t *stimescaled)
-{
-	u64 ut, st;
-
-	task_cputime_scaled(t, &ut, &st);
-	*utimescaled = nsecs_to_cputime(ut);
-	*stimescaled = nsecs_to_cputime(st);
-}
-
 extern void task_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st);
 extern void thread_group_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st);
 
@@ -3528,17 +3499,6 @@ static __always_inline bool need_resched(void)
 void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times);
 void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times);
 
-static inline void thread_group_cputime_t(struct task_struct *tsk,
-					  struct task_cputime_t *cputime)
-{
-	struct task_cputime times;
-
-	thread_group_cputime(tsk, &times);
-	cputime->utime = nsecs_to_cputime(times.utime);
-	cputime->stime = nsecs_to_cputime(times.stime);
-	cputime->sum_exec_runtime = times.sum_exec_runtime;
-}
-
 /*
  * Reevaluate whether the task has signals pending delivery.
  * Wake the task if so.
-- 
2.7.4