linux-kernel - [PATCHSET sched_ext/for-6.16] sched_ext: Cleanup "ops" usage in symbols

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Message-ID: <20250403225026.838987-1-tj@kernel.org>
Date: Thu,  3 Apr 2025 12:49:42 -1000
From: Tejun Heo <tj@...nel.org>
To: void@...ifault.com,
	arighi@...dia.com,
	multics69@...il.com
Cc: linux-kernel@...r.kernel.org,
	sched-ext@...a.com
Subject: [PATCHSET sched_ext/for-6.16] sched_ext: Cleanup "ops" usage in symbols

The tag "ops" is used for two different purposes. First, to indicate that
the entity is directly related to the operations such as flags carried in
sched_ext_ops. Second, to indicate that the entity applies to something
global such as enable or bypass states. The second usage is historical and
causes confusion rather than clarifying anything. For example,
scx_ops_enable_state enums are named SCX_OPS_* and thus conflict with
scx_ops_flags.

This inconsistency will become more noticeable with the planned multiple
scheduler support. Clean them up in preparation.

This patchset is on top of the current linus#master e8b471285262 ("Merge tag
'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux") and
contains the following patches:

 0001-sched_ext-Drop-ops-from-scx_ops_enable_state-and-fri.patch
 0002-sched_ext-Drop-ops-from-scx_ops_helper-scx_ops_enabl.patch
 0003-sched_ext-Drop-ops-from-scx_ops_bypass-scx_ops_breat.patch
 0004-sched_ext-Drop-ops-from-scx_ops_exit-scx_ops_error-a.patch
 0005-sched_ext-Drop-ops-from-scx_ops_-init-exit-enable-di.patch

which are also available in the following git branch:

 git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext.git scx-drop-ops-from-names

diffstat follows.

 kernel/sched/ext.c                |  458 ++++++++++++++++++--------------------
 kernel/sched/ext_idle.c           |   20 -
 kernel/sched/sched.h              |    4
 tools/sched_ext/scx_show_state.py |   14 -
 4 files changed, 239 insertions(+), 257 deletions(-)

--
tejun