From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 89D4C2417D1; Wed, 1 Jul 2026 20:34:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782938080; cv=none; b=hs3vGABBKM2b/7CBwsdM8g0778AgqmDKZJNRwgA6rHlvywhNGuoJiG+RwsOj4tCjulNmBM5hk2oTQwj6XkNXw4nUl5db7NnrO3mgqUJrJx6HuXGrwCm4HEvIkfc6diojRtYNMGqiz8VU514FrlvO10gSHuiDDme62XpSkdAIhKA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782938080; c=relaxed/simple; bh=n59bZG9KzJIHkkZGMN0e2OyYt1b6MZii7QkHl9gBNkc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=GJnKZHKyvcNe8JkxIEfiBqWvXhI8lBj9fuN+ieiKzGbCB+eHQfmEO0GCzVMIivcICukQbpj5ZShl3HYPGyrbrL4AbdpfPzfzDtczBRrUfbJra3vIklw0jyp7PBS5mq9FBzJT834jCT2eaNl8s4U6DTOJh4ssH3mtW3XflOf/89A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JTpzTgdu; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JTpzTgdu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11F751F00A3A; Wed, 1 Jul 2026 20:34:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782938079; bh=RHF8p6+KryizdUhrZg11wUtV3JasmUxtN7Qv2llJ/9Q=; h=From:To:Cc:Subject:Date; b=JTpzTgdul2A550dx5YM61w85KS47EpK9uK0zE6PVI2rCLO2nVw7UV61DPjr91a2wU EtYGoBia7ZzxxFrkeMHcuGKq2gP7/2xgAMQTKa6uBGd7bpwKbK2ENANdyF4CvnIS8V 40OWj1lHY3nVWkhyxOXtnnXNd1XiljPWfWeVWq5gIbD/YC0GENgSdOJtUsQyDSCKhm Mq66JqW/QXoog2484ZB7BL54OkO5FLS+Cu1HzAbwJk4wxuJ2oPJqlS62DcLd46lYmo Vrb46RZBPIPeiwCqjTJFbpVacQMq3iD5ocNlV7sH7no+W9Tx/NyVXBpcVXwEIPnQqa bDIRCrdq4gsQw== From: Tejun Heo To: David Vernet , Andrea Righi , Changwoo Min Cc: sched-ext@lists.linux.dev, Emil Tsalapatis , linux-kernel@vger.kernel.org, Tejun Heo Subject: [PATCHSET v3 sched_ext/for-7.3] sched_ext: Split sub-scheduler implementation into sub.c Date: Wed, 1 Jul 2026 10:34:34 -1000 Message-ID: <20260701203438.2837392-1-tj@kernel.org> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: sched-ext@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hello, v3: Patch 2 also exposes scx_rq_online(), scx_flush_dispatch_buf() and scx_kick_cpu() which scx_dispatch_sched() in sub.h calls, so that patch 4 builds on its own (sashiko AI). Added Andrea's Reviewed-by. Patches 1, 3 and 4 are otherwise unchanged. v2: https://lore.kernel.org/all/20260701181046.2490390-1-tj@kernel.org v1: https://lore.kernel.org/all/20260701031429.1892218-1-tj@kernel.org The sub-scheduler implementation has grown and will keep growing. Move it out of ext.c into a new kernel/sched/ext/sub.c. The first three patches are mechanical prep (prefix file-local helpers, expose shared internals, inline a few trivial helpers) so the move itself stays pure code motion. No functional change. Based on sched_ext/for-7.3 (5df6a4506d06) with sched_ext/for-7.2-fixes (b7d9c359e5cf) assumed merged. Tejun Heo (4): sched_ext: Prefix file-local ext.c helpers exposed by the sub.c split sched_ext: Expose the ext.c internals used by the sub.c split sched_ext: Inline small ext.c helpers shared across the sub.c split sched_ext: Split sub-scheduler implementation into sub.c kernel/sched/build_policy.c | 2 + kernel/sched/ext/ext.c | 1122 ++++------------------------------- kernel/sched/ext/internal.h | 167 +++++- kernel/sched/ext/sub.c | 668 +++++++++++++++++++++ kernel/sched/ext/sub.h | 161 +++++ 5 files changed, 1106 insertions(+), 1014 deletions(-) Thanks. -- tejun