Re: [RFC PATCH 37/86] sched: make test_*_tsk_thread_flag() return bool

[Peter Zijlstra]

On Tue, Nov 07, 2023 at 01:57:23PM -0800, Ankur Arora wrote:
> All users of test_*_tsk_thread_flag() treat the result value
> as boolean. This is also true for the underlying test_and_*_bit()
> operations.
> 
> Change the return type to bool.
> 
> Originally-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Signed-off-by: Ankur Arora <ankur.a.arora@xxxxxxxxxx>

You're sending 86 patches, I'm thinking you should do everything humanly
possible to reduce this patch count, so perhaps keep these in a separate
series.

This is irrelevant to the issue at hand. So send it as a separate
cleanup or whatever.

> ---
>  include/linux/sched.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index 5f0d7341cb88..12d0626601a0 100644
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -2045,17 +2045,17 @@ static inline void update_tsk_thread_flag(struct task_struct *tsk, int flag,
>  	update_ti_thread_flag(task_thread_info(tsk), flag, value);
>  }
>  
> -static inline int test_and_set_tsk_thread_flag(struct task_struct *tsk, int flag)
> +static inline bool test_and_set_tsk_thread_flag(struct task_struct *tsk, int flag)
>  {
>  	return test_and_set_ti_thread_flag(task_thread_info(tsk), flag);
>  }
>  
> -static inline int test_and_clear_tsk_thread_flag(struct task_struct *tsk, int flag)
> +static inline bool test_and_clear_tsk_thread_flag(struct task_struct *tsk, int flag)
>  {
>  	return test_and_clear_ti_thread_flag(task_thread_info(tsk), flag);
>  }
>  
> -static inline int test_tsk_thread_flag(struct task_struct *tsk, int flag)
> +static inline bool test_tsk_thread_flag(struct task_struct *tsk, int flag)
>  {
>  	return test_ti_thread_flag(task_thread_info(tsk), flag);
>  }
> @@ -2070,7 +2070,7 @@ static inline void clear_tsk_need_resched(struct task_struct *tsk)
>  	clear_tsk_thread_flag(tsk,TIF_NEED_RESCHED);
>  }
>  
> -static inline int test_tsk_need_resched(struct task_struct *tsk)
> +static inline bool test_tsk_need_resched(struct task_struct *tsk)
>  {
>  	return unlikely(test_tsk_thread_flag(tsk,TIF_NEED_RESCHED));
>  }
> -- 
> 2.31.1
>