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 15994192B66; Mon, 22 Sep 2025 16:49:55 +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=1758559796; cv=none; b=Bc73Z+56ZQWqwtFTSSiMD8XTy1SLuCaHhY/gL1qanBIR7ugb5aehF04cOT0ARoO+iPoRgkA/OTx9WhjG38fs+XJSfL+SfxIxUuUTD/1sVSDEnD3Oi0AZxEUyWkOHnQ7VQeepNv8/Jc+xL4ue+/Jeri9szXaLJtHXmm1yB+NG+hg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758559796; c=relaxed/simple; bh=M7MktnQrthEKslUvnhBlxODlj2uRrxXhtbIGEz90OfI=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=MgMWF2EKUk3+rAj0d+P0jMCitG9XGu9dBQSINthMV5NViN9ajXJN1wfftUg5pwhQ4X4Mlo2tOfeMcxHGhJ0HtxrlnnT/qsys4c/3COtm8aa/Wf241uWkFQlkOhY/j84amcYSU11b1F/PlYeEDstQ6zQzcNaWgEu2DHr0++mNRm8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lOnjzeMn; 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="lOnjzeMn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 94EEAC4CEF0; Mon, 22 Sep 2025 16:49:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758559795; bh=M7MktnQrthEKslUvnhBlxODlj2uRrxXhtbIGEz90OfI=; h=Date:From:To:Cc:Subject:From; b=lOnjzeMnVIy9QyQtjz8hVdKZmitTRn1JJgxmksWcYJwOTdnOSZGCTR9Me0aYKFJfl FDByrMa1VltgGuNHqTb8MhqyYp45pFoV1PbUFW+c8cw+NSp0iOMrLcNZvJ/C7SjnNB 8nOJ60WrM0cDkLnsSoEWAka0lcJQtEsmg5pkCHH2SDV4PIbkRNwGh9L++MOhpj65Mi 9A83bnEdDmoIVuulwuinZsEisJdhU7OBP0b+66wCvYp04Sl1TQ3u9yeqKQRMFif6oO fEoFK9VrQ7sK8xJsVS095CFVpc7aA2092rSyUSrC7A2ikQKijNGj6Jl6iKUyZ/ixOV 8N7KDg3+a0o2w== Date: Mon, 22 Sep 2025 06:49:54 -1000 From: Tejun Heo To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, David Vernet , Andrea Righi , Changwoo Min , sched-ext@lists.linux.dev Subject: [GIT PULL] sched_ext: Fixes for v6.17-rc7 Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline The following changes since commit a1eab4d813f7b6e606ed21381b8cfda5c59a87e5: sched_ext, sched/core: Fix build failure when !FAIR_GROUP_SCHED && EXT_GROUP_SCHED (2025-09-16 23:07:27 -1000) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext.git tags/sched_ext-for-6.17-rc7-fixes for you to fetch changes up to 55ed11b181c43d81ce03b50209e4e7c4a14ba099: sched_ext: idle: Handle migration-disabled tasks in BPF code (2025-09-22 06:24:44 -1000) ---------------------------------------------------------------- sched_ext: Fixes for v6.17-rc7 This contains a fix for sched_ext idle CPU selection that likely fixes a substantial performance regression. The scx_bpf_select_cpu_dfl/and() kfuncs were incorrectly detecting all tasks as migration-disabled when called outside ops.select_cpu(), causing them to always return -EBUSY instead of finding idle CPUs. The fix properly distinguishes between genuinely migration-disabled tasks vs. the current task whose migration is temporarily disabled by BPF execution. ---------------------------------------------------------------- Andrea Righi (1): sched_ext: idle: Handle migration-disabled tasks in BPF code kernel/sched/ext_idle.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) -- tejun