linux-kernel - [PATCH 0/4] sched_ext: Improve code modularization

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Message-ID: <20250604143547.708202-1-arighi@nvidia.com>
Date: Wed,  4 Jun 2025 16:33:10 +0200
From: Andrea Righi <arighi@...dia.com>
To: Tejun Heo <tj@...nel.org>,
	David Vernet <void@...ifault.com>,
	Changwoo Min <changwoo@...lia.com>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 0/4] sched_ext: Improve code modularization

Despite the unusual structure of the scheduler code, where the source code
of all scheduler classes is included in a single .c file, we should still
structure the code as if each .c file were a standalone build unit. This
means marking internal functions as static, declaring shared symbols via
proper function prototypes in a header file, etc.

This patch series is a first step toward such cleanup for the sched_ext
code. There is more work to do, but these changes are intentionally small
to minimize potential disruption to the ongoing development, laying some
groundwork for a cleaner and more maintainable code.

Andrea Righi (4):
      sched_ext: idle: Remove unnecessary ifdef in scx_bpf_cpu_node()
      sched_ext: idle: Make local functions static in ext_idle.c
      sched_ext: Make scx_rq_bypassing() inline
      sched_ext: Make scx_locked_rq() shared

 kernel/sched/ext.c      |  7 +------
 kernel/sched/ext.h      |  7 +++++++
 kernel/sched/ext_idle.c | 28 +++++++++++++++++-----------
 kernel/sched/ext_idle.h |  7 -------
 4 files changed, 25 insertions(+), 24 deletions(-)