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vtime: Gather vtime declarations to their own header file

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These APIs are scattered around and are going to expand a bit.
Let's create a dedicated header file for sanity.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
This commit is contained in:
Frederic Weisbecker 2012-10-05 23:07:19 +02:00
parent e9c84cb8d5
commit dcbf832e58
3 changed files with 24 additions and 18 deletions
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11
include/linux/hardirq.h
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@ -4,6 +4,7 @@
#include <linux/preempt.h>
#include <linux/lockdep.h>
#include <linux/ftrace_irq.h>
#include <linux/vtime.h>
#include <asm/hardirq.h>
/*
@ -129,16 +130,6 @@ extern void synchronize_irq(unsigned int irq);
# define synchronize_irq(irq) barrier()
#endif
struct task_struct;
#if !defined(CONFIG_VIRT_CPU_ACCOUNTING) && !defined(CONFIG_IRQ_TIME_ACCOUNTING)
static inline void vtime_account(struct task_struct *tsk)
{
}
#else
extern void vtime_account(struct task_struct *tsk);
#endif
#if defined(CONFIG_TINY_RCU) || defined(CONFIG_TINY_PREEMPT_RCU)
static inline void rcu_nmi_enter(void)

9
include/linux/kernel_stat.h
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@ -7,6 +7,7 @@
#include <linux/cpumask.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/vtime.h>
#include <asm/irq.h>
#include <asm/cputime.h>
@ -130,12 +131,4 @@ extern void account_process_tick(struct task_struct *, int user);
extern void account_steal_ticks(unsigned long ticks);
extern void account_idle_ticks(unsigned long ticks);
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
extern void vtime_task_switch(struct task_struct *prev);
extern void vtime_account_system(struct task_struct *tsk);
extern void vtime_account_idle(struct task_struct *tsk);
#else
static inline void vtime_task_switch(struct task_struct *prev) { }
#endif
#endif /* _LINUX_KERNEL_STAT_H */

22
include/linux/vtime.h Normal file
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@ -0,0 +1,22 @@
#ifndef _LINUX_KERNEL_VTIME_H
#define _LINUX_KERNEL_VTIME_H
struct task_struct;
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
extern void vtime_task_switch(struct task_struct *prev);
extern void vtime_account_system(struct task_struct *tsk);
extern void vtime_account_idle(struct task_struct *tsk);
#else
static inline void vtime_task_switch(struct task_struct *prev) { }
#endif
#if !defined(CONFIG_VIRT_CPU_ACCOUNTING) && !defined(CONFIG_IRQ_TIME_ACCOUNTING)
static inline void vtime_account(struct task_struct *tsk)
{
}
#else
extern void vtime_account(struct task_struct *tsk);
#endif
#endif /* _LINUX_KERNEL_VTIME_H */