Re: [PATCH] rcu: remove rcu_user_hooks_switch

[Paul E. McKenney]

On Mon, Oct 19, 2015 at 02:45:02PM -0700, Yang Shi wrote:
> It is not invoked by anyone now, just remove it.
> 
> Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxx>

We should check with Frederic -- any plans to use this, Frederic?
It was last touched by commit 4d9a5d4319e2 (rcu: Remove rcu_switch())
back in 2012.

							Thanx, Paul

> ---
>  include/linux/rcupdate.h | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
> index 581abf8..56355bc 100644
> --- a/include/linux/rcupdate.h
> +++ b/include/linux/rcupdate.h
> @@ -345,8 +345,6 @@ void rcu_user_exit(void);
>  #else
>  static inline void rcu_user_enter(void) { }
>  static inline void rcu_user_exit(void) { }
> -static inline void rcu_user_hooks_switch(struct task_struct *prev,
> -					 struct task_struct *next) { }
>  #endif /* CONFIG_NO_HZ_FULL */
> 
>  #ifdef CONFIG_RCU_NOCB_CPU
> -- 
> 2.0.2
> 

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