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* [RFC/PATCH] sched/fair: Remove unnecessary judgment in pick_next_task_fair()
@ 2024-09-09  5:13 Benjamin Tang
  2024-09-09 11:26 ` Christian Loehle
  0 siblings, 1 reply; 2+ messages in thread
From: Benjamin Tang @ 2024-09-09  5:13 UTC (permalink / raw)
  To: Peter Zijlstra, Ingo Molnar
  Cc: Vincent Guittot, Dietmar Eggemann, Juri Lelli, linux-kernel,
	Benjamin Tang

sched/fair: Remove unnecessary judgment in pick_next_task_fair()

Since 'curr' argument is no longer needed in pick_next_entity(),
remove unnecessary judgment.

Signed-off-by: Benjamin Tang <tangsong8264@gmail.com>
---
  kernel/sched/fair.c | 2 --
  1 file changed, 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 9057584ec06d..92f8ad778205 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -8492,8 +8492,6 @@ pick_next_task_fair(struct rq *rq, struct 
task_struct *prev, struct rq_flags *rf
         if (curr) {
             if (curr->on_rq)
                 update_curr(cfs_rq);
-           else
-               curr = NULL;

             /*
              * This call to check_cfs_rq_runtime() will do the
-- 
2.11.0


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [RFC/PATCH] sched/fair: Remove unnecessary judgment in pick_next_task_fair()
  2024-09-09  5:13 [RFC/PATCH] sched/fair: Remove unnecessary judgment in pick_next_task_fair() Benjamin Tang
@ 2024-09-09 11:26 ` Christian Loehle
  0 siblings, 0 replies; 2+ messages in thread
From: Christian Loehle @ 2024-09-09 11:26 UTC (permalink / raw)
  To: Benjamin Tang, Peter Zijlstra, Ingo Molnar
  Cc: Vincent Guittot, Dietmar Eggemann, Juri Lelli, linux-kernel

On 9/9/24 06:13, Benjamin Tang wrote:
> sched/fair: Remove unnecessary judgment in pick_next_task_fair()
> 
> Since 'curr' argument is no longer needed in pick_next_entity(),
> remove unnecessary judgment.
> 
> Signed-off-by: Benjamin Tang <tangsong8264@gmail.com>
> ---
>  kernel/sched/fair.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 9057584ec06d..92f8ad778205 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -8492,8 +8492,6 @@ pick_next_task_fair(struct rq *rq, struct task_struct *prev, struct rq_flags *rf
>         if (curr) {
>             if (curr->on_rq)
>                 update_curr(cfs_rq);
> -           else
> -               curr = NULL;
> 
>             /*
>              * This call to check_cfs_rq_runtime() will do the

This has been reworked on tip/sched/core and is no longer needed:
[PATCH 05/24] sched/fair: Unify pick_{,next_}_task_fair()
https://lore.kernel.org/all/20240727105028.725062368@infradead.org/

^ permalink raw reply	[flat|nested] 2+ messages in thread

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