Commit-ID: 1c3eda01a79b8e9237d91c52c5a75b20983f47c6
Gitweb: http://git.kernel.org/tip/1c3eda01a79b8e9237d91c52c5a75b20983f47c6
Author: Frederic Weisbecker <fweisbec@xxxxxxxxx>
AuthorDate: Thu, 29 Jun 2017 19:15:07 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 5 Jul 2017 09:54:14 +0200
vtime, sched/cputime: Remove vtime_account_user()
It's an unnecessary function between vtime_user_exit() and
account_user_time().
Tested-by: Luiz Capitulino <lcapitulino@xxxxxxxxxx>
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Rik van Riel <riel@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Wanpeng Li <kernellwp@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1498756511-11714-2-git-send-email-fweisbec@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
include/linux/vtime.h | 9 +--------
kernel/sched/cputime.c | 12 ++++++------
2 files changed, 7 insertions(+), 14 deletions(-)
diff --git a/include/linux/vtime.h b/include/linux/vtime.h
index 0681fe2..18b405e 100644
--- a/include/linux/vtime.h
+++ b/include/linux/vtime.h
@@ -67,19 +67,12 @@ static inline void vtime_account_system(struct task_struct *tsk) { }
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
extern void arch_vtime_task_switch(struct task_struct *tsk);
-extern void vtime_account_user(struct task_struct *tsk);
extern void vtime_user_enter(struct task_struct *tsk);
-
-static inline void vtime_user_exit(struct task_struct *tsk)
-{
- vtime_account_user(tsk);
-}
-
+extern void vtime_user_exit(struct task_struct *tsk);
extern void vtime_guest_enter(struct task_struct *tsk);
extern void vtime_guest_exit(struct task_struct *tsk);
extern void vtime_init_idle(struct task_struct *tsk, int cpu);
#else /* !CONFIG_VIRT_CPU_ACCOUNTING_GEN */
-static inline void vtime_account_user(struct task_struct *tsk) { }
static inline void vtime_user_enter(struct task_struct *tsk) { }
static inline void vtime_user_exit(struct task_struct *tsk) { }
static inline void vtime_guest_enter(struct task_struct *tsk) { }
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 84a419b..5adc896 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -724,21 +724,21 @@ void vtime_account_system(struct task_struct *tsk)
write_seqcount_end(&tsk->vtime_seqcount);
}
-void vtime_account_user(struct task_struct *tsk)
+void vtime_user_enter(struct task_struct *tsk)
{
write_seqcount_begin(&tsk->vtime_seqcount);
- tsk->vtime_snap_whence = VTIME_SYS;
if (vtime_delta(tsk))
- account_user_time(tsk, get_vtime_delta(tsk));
+ __vtime_account_system(tsk);
+ tsk->vtime_snap_whence = VTIME_USER;
write_seqcount_end(&tsk->vtime_seqcount);
}
-void vtime_user_enter(struct task_struct *tsk)
+void vtime_user_exit(struct task_struct *tsk)
{
write_seqcount_begin(&tsk->vtime_seqcount);
+ tsk->vtime_snap_whence = VTIME_SYS;
if (vtime_delta(tsk))
- __vtime_account_system(tsk);
- tsk->vtime_snap_whence = VTIME_USER;
+ account_user_time(tsk, get_vtime_delta(tsk));
write_seqcount_end(&tsk->vtime_seqcount);
}
--
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