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| author |   David S. Miller <davem@davemloft.net> | 2016-01-13 00:21:27 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-01-13 00:21:27 -0500 |
| commit | ddb5388ffd0ad75d07e7b78181a0b579824ba6f0 (patch) | |
| tree | be1e2bd103c69d7bbace3fffd97bc3d714bbc3d7 /include/linux/vtime.h | |
| parent | net: netlink: Fix multicast group storage allocation for families with more than one groups (diff) | |
| parent | Merge tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm (diff) | |
| download | linux-dev-ddb5388ffd0ad75d07e7b78181a0b579824ba6f0.tar.xz linux-dev-ddb5388ffd0ad75d07e7b78181a0b579824ba6f0.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Diffstat (limited to 'include/linux/vtime.h')
| -rw-r--r-- | include/linux/vtime.h | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/include/linux/vtime.h b/include/linux/vtime.h index c5165fd256f9..fa2196990f84 100644 --- a/include/linux/vtime.h +++ b/include/linux/vtime.h @@ -10,16 +10,27 @@ struct task_struct; /* - * vtime_accounting_enabled() definitions/declarations + * vtime_accounting_cpu_enabled() definitions/declarations */ #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE -static inline bool vtime_accounting_enabled(void) { return true; } +static inline bool vtime_accounting_cpu_enabled(void) { return true; } #endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */ #ifdef 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. + * For now vtime state is tied to context tracking. We might want to decouple + * those later if necessary. + */ static inline bool vtime_accounting_enabled(void) { - if (context_tracking_is_enabled()) { + return context_tracking_is_enabled(); +} + +static inline bool vtime_accounting_cpu_enabled(void) +{ + if (vtime_accounting_enabled()) { if (context_tracking_cpu_is_enabled()) return true; } @@ -29,7 +40,7 @@ static inline bool vtime_accounting_enabled(void) #endif /* CONFIG_VIRT_CPU_ACCOUNTING_GEN */ #ifndef CONFIG_VIRT_CPU_ACCOUNTING -static inline bool vtime_accounting_enabled(void) { return false; } +static inline bool vtime_accounting_cpu_enabled(void) { return false; } #endif /* !CONFIG_VIRT_CPU_ACCOUNTING */ @@ -44,7 +55,7 @@ extern void vtime_task_switch(struct task_struct *prev); extern void vtime_common_task_switch(struct task_struct *prev); static inline void vtime_task_switch(struct task_struct *prev) { - if (vtime_accounting_enabled()) + if (vtime_accounting_cpu_enabled()) vtime_common_task_switch(prev); } #endif /* __ARCH_HAS_VTIME_TASK_SWITCH */ @@ -59,7 +70,7 @@ extern void vtime_account_irq_enter(struct task_struct *tsk); extern void vtime_common_account_irq_enter(struct task_struct *tsk); static inline void vtime_account_irq_enter(struct task_struct *tsk) { - if (vtime_accounting_enabled()) + if (vtime_accounting_cpu_enabled()) vtime_common_account_irq_enter(tsk); } #endif /* __ARCH_HAS_VTIME_ACCOUNT */ @@ -78,7 +89,7 @@ extern void vtime_gen_account_irq_exit(struct task_struct *tsk); static inline void vtime_account_irq_exit(struct task_struct *tsk) { - if (vtime_accounting_enabled()) + if (vtime_accounting_cpu_enabled()) vtime_gen_account_irq_exit(tsk); } |