2012/12/31 Li Zhong <zh...@linux.vnet.ibm.com>:
> On Sat, 2012-12-29 at 17:42 +0100, Frederic Weisbecker wrote:
>> 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_system_irqsafe(struct task_struct *tsk) { }
>> static inline void vtime_account_user(struct task_struct *tsk) { }
>> -static inline void vtime_account(struct task_struct *tsk) { }
>> +static inline void vtime_account_irq_enter(struct task_struct *tsk) { }
>> static inline bool vtime_accounting(void) { return false; }
>> #endif
>>
>> #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
>> -static inline void arch_vtime_task_switch(struct task_struct *tsk) { }
>> +extern void arch_vtime_task_switch(struct task_struct *tsk);
>> +extern void vtime_account_irq_exit(struct task_struct *tsk);
>> +extern void vtime_user_enter(struct task_struct *tsk);
>> +extern bool vtime_accounting(void);
>> +#else
>> +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_enter_user(struct task_struct *tsk) { }
>
> I guess the function name above should be "vtime_user_enter" to match
> the above extern, and the usage in user_enter()?
Totally! Thanks for pointing this out.
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