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 6D19540DFAD for ; Sun, 15 Mar 2026 03:28:47 +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=1773545327; cv=none; b=AONEYJPHyLvn0I0RmddQvow7ai38Izep6eA9s09TnbHWCCSwVWmVto/iTDpWWaOLFHZAQ3JKR+fSP7JOeYaxDIuVfy0Ubt3wMCeD0kI/bbcpQ+2yn7feLwSj3OSHRmbJzcupP+coP1vY9G5m+sTHUdJtiTD9WaOoVo1iLSlzdkg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773545327; c=relaxed/simple; bh=oZ8W0MjbY3Dz7l9oooVS5ID1SAsfvL3i/XUfrOWscls=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=GchvT/dKbUWBrYgmTy5kvElsKKXtENRJx9oH8fRnv+mX1CTancMyyM3qZ0zinWD4r1Zgc7UOhkYPY/MSzeSZ68vCohrgwSJ5mI07UcbpE6u0Ha3N+Gynf4K74bGEDMj+atUlvVjRLzFlM+BMLRoAAqDDkMzUl0Cg0SqEIK88RNI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FH7fCZfX; 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="FH7fCZfX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4AA89C4CEF7; Sun, 15 Mar 2026 03:28:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773545327; bh=oZ8W0MjbY3Dz7l9oooVS5ID1SAsfvL3i/XUfrOWscls=; h=Date:From:To:Cc:Subject:From; b=FH7fCZfXYb5HG/EbZqA2+E9L/3HCL9JhdcRXnalmlEWP2auqieWdNuu3yZ83JbWa+ 6e8WLq5lH+cIIL8u8ss03pbVOrlsFmQHwwRZ+XgyejtaGdl7Q8k1IdckT3sY58L+vG tYqwN9YUoViiAeV9iFxuhT3ypbXKkR0JbZKrPr51RADfBVXgavKeKpa0qeuygoC4ae HeB9HytrUA/5YsP2RbWFtB5dBkxWI/l3sQ/guV5cl7XGJAzlxvhwJ4BIrXa61iuTa6 I2T2VxUGHp+5xrkB4/MsKjGFJdgc+2pbKX4aRI3B1WjxphxiQlBXg06yWQlAchcGXF rtVmTy/095bCg== Date: Sun, 15 Mar 2026 04:28:26 +0100 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Thomas Gleixner , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Mel Gorman , Tejun Heo , Valentin Schneider , Shrikanth Hegde Subject: [GIT PULL] scheduler fixes 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 Linus, Please pull the latest sched/urgent Git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-urgent-2026-03-15 for you to fetch changes up to 192d852129b1b7c4f0ddbab95d0de1efd5ee1405: More MM-CID fixes, mostly fixing hangs/races: - Fix CID hangs due to a race between concurrent forks - Fix vfork()/CLONE_VM MMCID bug causing hangs - Remove pointless preemption guard - Fix CID task list walk performance regression on large systems by removing the known-flaky and slow counting logic using for_each_process_thread() in mm_cid_*fixup_tasks_to_cpus(), and implementing a simple sched_mm_cid::node list instead Thanks, Ingo ------------------> Thomas Gleixner (4): sched/mmcid: Prevent CID stalls due to concurrent forks sched/mmcid: Handle vfork()/CLONE_VM correctly sched/mmcid: Remove pointless preempt guard sched/mmcid: Avoid full tasklist walks include/linux/rseq_types.h | 6 +++- include/linux/sched.h | 2 -- kernel/fork.c | 3 +- kernel/sched/core.c | 79 ++++++++++++++++------------------------------ 4 files changed, 34 insertions(+), 56 deletions(-)