[PATCH v2 1/5] sched/vtime: remove confusing arch_vtime_task_switch() declaration

[Nicholas Piggin]

On Fri Feb 9, 2024 at 6:15 AM AEST, Alexander Gordeev wrote:
> Callback arch_vtime_task_switch() is only defined when
> CONFIG_VIRT_CPU_ACCOUNTING_NATIVE is selected. Yet, the
> function prototype forward declaration is present for
> CONFIG_VIRT_CPU_ACCOUNTING_GEN variant. Remove it.
>

And powerpc arch_vtime_task_switch is static inline too,
so this just confuses things.

Reviewed-by: Nicholas Piggin <npiggin at gmail.com>

> Reviewed-by: Frederic Weisbecker <frederic at kernel.org>
> Signed-off-by: Alexander Gordeev <agordeev at linux.ibm.com>
> ---
>  include/linux/vtime.h | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/include/linux/vtime.h b/include/linux/vtime.h
> index 3684487d01e1..593466ceebed 100644
> --- a/include/linux/vtime.h
> +++ b/include/linux/vtime.h
> @@ -18,7 +18,6 @@ extern void vtime_account_idle(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);
>  extern void vtime_user_enter(struct task_struct *tsk);
>  extern void vtime_user_exit(struct task_struct *tsk);
>  extern void vtime_guest_enter(struct task_struct *tsk);