linux-kernel - [PATCHSET sched_ext/for-6.19] sched_ext: Misc changes with some prep patches for sub-sched support

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Message-ID: <20251007015147.2496026-1-tj@kernel.org>
Date: Mon,  6 Oct 2025 15:51:43 -1000
From: Tejun Heo <tj@...nel.org>
To: David Vernet <void@...ifault.com>,
	Andrea Righi <arighi@...dia.com>,
	Changwoo Min <changwoo@...lia.com>
Cc: linux-kernel@...r.kernel.org,
	sched-ext@...ts.linux.dev
Subject: [PATCHSET sched_ext/for-6.19] sched_ext: Misc changes with some prep patches for sub-sched support

Hello,

This patchset contains misc changes and some prep patches for future
sub-scheduler support.

0001-tools-sched_ext-Strip-compatibility-macros-for-cgrou.patch
0002-sched_ext-Add-scx_bpf_task_set_slice-and-scx_bpf_tas.patch
0003-sched_ext-Wrap-kfunc-args-in-struct-to-prepare-for-a.patch
0004-sched_ext-Make-scx_bpf_dsq_insert-return-bool.patch

The patches are based on sched_ext/for-6.19 (7e926e30bfec) +
"sched_ext: Mark scx_bpf_dsq_move_set_[slice|vtime]() with KF_RCU"
(http://lkml.kernel.org/r/aORuaIXJftQDMBIA@slm.duckdns.org).

The following git tree also contains the patchset:

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext.git scx-sub-sched-misc-prep2

 kernel/sched/ext.c                       | 147 ++++++++++++++++++-----
 kernel/sched/ext_idle.c                  |  43 ++++++-
 tools/sched_ext/include/scx/common.bpf.h |   9 +-
 tools/sched_ext/include/scx/compat.bpf.h | 199 +++++++++++++++----------------
 tools/sched_ext/scx_flatcg.bpf.c         |  10 +-
 tools/sched_ext/scx_qmap.bpf.c           |  14 +--
 6 files changed, 265 insertions(+), 157 deletions(-)

--
tejun