Commit-ID: 8612f17ab99c1f0770792bc875f5f039212a2a85
Gitweb: http://git.kernel.org/tip/8612f17ab99c1f0770792bc875f5f039212a2a85
Author: Frederic Weisbecker <fweisbec@xxxxxxxxx>
AuthorDate: Wed, 13 Jul 2016 16:50:04 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 14 Jul 2016 10:42:35 +0200
sched/cputime: Reorganize vtime native irqtime accounting headers
The vtime irqtime accounting headers are very scattered and convoluted
right now. Reorganize them such that it is obvious that only
CONFIG_VIRT_CPU_ACCOUNTING_NATIVE does use it.
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Radim Krcmar <rkrcmar@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1468421405-20056-5-git-send-email-fweisbec@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
include/linux/vtime.h | 35 +++++++++++++++++------------------
1 file changed, 17 insertions(+), 18 deletions(-)
diff --git a/include/linux/vtime.h b/include/linux/vtime.h
index 65aef5e..aa9bfea 100644
--- a/include/linux/vtime.h
+++ b/include/linux/vtime.h
@@ -12,12 +12,9 @@ struct task_struct;
/*
* vtime_accounting_cpu_enabled() definitions/declarations
*/
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
+#if defined(CONFIG_VIRT_CPU_ACCOUNTING_NATIVE)
static inline bool vtime_accounting_cpu_enabled(void) { return true; }
-extern void vtime_account_irq_enter(struct task_struct *tsk);
-#endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
-
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
+#elif defined(CONFIG_VIRT_CPU_ACCOUNTING_GEN)
/*
* Checks if vtime is enabled on some CPU. Cputime readers want to be careful
* in that case and compute the tickless cputime.
@@ -38,11 +35,9 @@ static inline bool vtime_accounting_cpu_enabled(void)
return false;
}
-#endif /* CONFIG_VIRT_CPU_ACCOUNTING_GEN */
-
-#ifndef CONFIG_VIRT_CPU_ACCOUNTING
+#else /* !CONFIG_VIRT_CPU_ACCOUNTING */
static inline bool vtime_accounting_cpu_enabled(void) { return false; }
-#endif /* !CONFIG_VIRT_CPU_ACCOUNTING */
+#endif
/*
@@ -70,14 +65,10 @@ extern void vtime_account_user(struct task_struct *tsk);
static inline void vtime_task_switch(struct task_struct *prev) { }
static inline void vtime_account_system(struct task_struct *tsk) { }
static inline void vtime_account_user(struct task_struct *tsk) { }
-static inline void vtime_account_irq_enter(struct task_struct *tsk) { }
#endif /* !CONFIG_VIRT_CPU_ACCOUNTING */
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
extern void arch_vtime_task_switch(struct task_struct *tsk);
-static inline void vtime_account_irq_enter(struct task_struct *tsk) { }
-static inline void vtime_account_irq_exit(struct task_struct *tsk) { }
-
extern void vtime_user_enter(struct task_struct *tsk);
static inline void vtime_user_exit(struct task_struct *tsk)
@@ -88,11 +79,6 @@ 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_irq_exit(struct task_struct *tsk)
-{
- /* On hard|softirq exit we always account to hard|softirq cputime */
- vtime_account_system(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) { }
@@ -100,6 +86,19 @@ static inline void vtime_guest_exit(struct task_struct *tsk) { }
static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { }
#endif
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
+extern void vtime_account_irq_enter(struct task_struct *tsk);
+static inline void vtime_account_irq_exit(struct task_struct *tsk)
+{
+ /* On hard|softirq exit we always account to hard|softirq cputime */
+ vtime_account_system(tsk);
+}
+#else /* !CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
+static inline void vtime_account_irq_enter(struct task_struct *tsk) { }
+static inline void vtime_account_irq_exit(struct task_struct *tsk) { }
+#endif
+
+
#ifdef CONFIG_IRQ_TIME_ACCOUNTING
extern void irqtime_account_irq(struct task_struct *tsk);
#else
--
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