linux-kernel - [PATCH v2 0/2] sched: Return NULL when entity isn't a task

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Message-Id: <20231206063400.3206346-1-yajun.deng@linux.dev>
Date:   Wed,  6 Dec 2023 14:33:58 +0800
From:   Yajun Deng <yajun.deng@...ux.dev>
To:     mingo@...hat.com, peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com, vschneid@...hat.com
Cc:     linux-kernel@...r.kernel.org, Yajun Deng <yajun.deng@...ux.dev>
Subject: [PATCH v2 0/2] sched: Return NULL when entity isn't a task

If the entity isn't a task, return the task struct is meaningless.
Return NULL when entity isn't a task that makes the code more concise.

v1 -> v2: 
fix 'struct rt_rq' no member named 'highest_prio'.

Yajun Deng (2):
  sched/fair: Return NULL when entity isn't a task in task_of()
  sched/rt: Return NULL when rt entity isn't a task in rt_task_of()

 kernel/sched/fair.c  | 50 ++++++++++++++++++------------------
 kernel/sched/rt.c    | 60 +++++++++++++-------------------------------
 kernel/sched/sched.h |  4 ++-
 3 files changed, 44 insertions(+), 70 deletions(-)

-- 
2.25.1