From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 46E6641B356; Wed, 29 Apr 2026 18:29:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777487370; cv=none; b=hSHoC+xTPz/yOE3euRUtinQrV5Iu1z+pBirTc6zX1guD/YLEGVRERr+BbkKQ6solN9c7YWe6bKVwGF/DgqazUeMURl82pJq/mq/orGN7LE2Nm4LgXSpgCivHNJd6fViOqyrtyErCP8yF4eb7RvMrWmTNqObwEsqOs73a7A+az+U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777487370; c=relaxed/simple; bh=zRPwqtMCUQqP2YFKgvX1xfSGFqslc0okhCxRXrd5B9M=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References; b=pYJyG2fy5N9F1vJDlcIFPD8lxCQSsbHAxSgjTg2YNHSq9KGYuuxrLvskuJrewTCimH4AkB0m2ceW5EsBG0MMB2KL68BKbqITPU/lPy+/tqwsyxauVvuIlnlS7/ApXd84yx6wmwcmHX5LcAEc8+BNZ0wdFV5/XIgcceNKqZ+Zzec= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SJN4DR7k; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SJN4DR7k" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8CE48C19425; Wed, 29 Apr 2026 18:29:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777487369; bh=zRPwqtMCUQqP2YFKgvX1xfSGFqslc0okhCxRXrd5B9M=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=SJN4DR7kQSJjiFYjsqgDr/IDImiHbebqIti/UzJ3fU3dHQVxtBPt2n/sEyj69MQxm ij5omtx6qnZ2EXj5qet8jEO2e31U9OMgy9YJ3ppCJ0aRFO6HIhuvLRNf8oWY70SYiv txbPfv25+uk4icZyVpIzgHlKa2v2Eht4JiNa7iJ37frW6xdTNJPE8ANxiCIjFEymRE xD7a5WJfNIFSP7bIWMCyndy5IxqYmgmewG/ehonek+zX2cjz4kEBr5PjjRHJGzU6tM /Iqmtx9O96r0dB2+VK9F2gVIha+p26SzNtZm5ax0awqgIlXIRlL0mvhjwhwoLak2ek mJH/2O7BsrsQg== Date: Wed, 29 Apr 2026 08:29:28 -1000 Message-ID: From: Tejun Heo To: David Vernet , Andrea Righi , Changwoo Min Cc: Emil Tsalapatis , sched-ext@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCHSET v4 sched_ext/for-7.2] sched_ext: Topological CPU IDs and cid-form struct_ops In-Reply-To: <20260429182131.1780125-1-tj@kernel.org> References: <20260429182131.1780125-1-tj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Hello, > Tejun Heo (17): > sched_ext: Add ext_types.h for early subsystem-wide defs > sched_ext: Rename ops_cpu_valid() to scx_cpu_valid() and expose it > sched_ext: Move scx_exit(), scx_error() and friends to ext_internal.h > sched_ext: Shift scx_kick_cpu() validity check to scx_bpf_kick_cpu() > sched_ext: Relocate cpu_acquire/cpu_release to end of struct sched_ext_ops > sched_ext: Make scx_enable() take scx_enable_cmd > sched_ext: Add topological CPU IDs (cids) > sched_ext: Add scx_bpf_cid_override() kfunc > tools/sched_ext: Add struct_size() helpers to common.bpf.h > sched_ext: Add cmask, a base-windowed bitmap over cid space > sched_ext: Add cid-form kfunc wrappers alongside cpu-form > sched_ext: Add bpf_sched_ext_ops_cid struct_ops type > sched_ext: Forbid cpu-form kfuncs from cid-form schedulers > tools/sched_ext: scx_qmap: Restart on hotplug instead of cpu_online/offline > tools/sched_ext: scx_qmap: Add cmask-based idle tracking and cid-based idle pick > tools/sched_ext: scx_qmap: Port to cid-form struct_ops > sched_ext: Require cid-form struct_ops for sub-sched support Applied 1-17 to sched_ext/for-7.2. Thanks. -- tejun