diff options
Diffstat (limited to 'arch/powerpc/include/asm/cputime.h')
-rw-r--r-- | arch/powerpc/include/asm/cputime.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h index 99b541865d8d..ae73dc8da2d4 100644 --- a/arch/powerpc/include/asm/cputime.h +++ b/arch/powerpc/include/asm/cputime.h @@ -23,7 +23,6 @@ #include <asm/div64.h> #include <asm/time.h> #include <asm/param.h> -#include <asm/cpu_has_feature.h> typedef u64 __nocast cputime_t; typedef u64 __nocast cputime64_t; @@ -47,9 +46,22 @@ static inline unsigned long cputime_to_usecs(const cputime_t ct) * has to be populated in the new task */ #ifdef CONFIG_PPC64 +#define get_accounting(tsk) (&get_paca()->accounting) static inline void arch_vtime_task_switch(struct task_struct *tsk) { } #else -void arch_vtime_task_switch(struct task_struct *tsk); +#define get_accounting(tsk) (&task_thread_info(tsk)->accounting) +/* + * Called from the context switch with interrupts disabled, to charge all + * accumulated times to the current process, and to prepare accounting on + * the next process. + */ +static inline void arch_vtime_task_switch(struct task_struct *prev) +{ + struct cpu_accounting_data *acct = get_accounting(current); + struct cpu_accounting_data *acct0 = get_accounting(prev); + + acct->starttime = acct0->starttime; +} #endif #endif /* __KERNEL__ */ |