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 9A4973CC9E9 for ; Sun, 27 Sep 2026 08:04:50 +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=1790496291; cv=none; b=ahSrYKHBV8ARFsTyW1XyEDyf7ei0o8pySByaFC7svdwVexwmx1p5iJgNQWjOyYqVPnaOMCbjJH8Ict5Y6dinHxwfdB4laZsOqEnexW4O7vW9ty5DAkOaqZJCnU5yV6yLnbZWfnTl6Uh6m71E0iVr1IMsLbjcOJFY0SaFor+ijhU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790496291; c=relaxed/simple; bh=ygwbijgsZVoeEHgZUYhuQdoyXdHjl4/w8UsrqyyOhKo=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=OPKHrs9/zsHNSryG2flsFeouCVlhV6Fb4564oGSHMg7fWpR9r7oBgsAlkjYd7yahJbUWGoIxzAvvtgroV42MSs28SKBqzfuXlpQGqE9sI6bCLUkHQD4AdX2pjTJTK/poQjd7uPH3IBKl61KcINXsmpNSNXiMN5E7u3EWgy80Ct0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=K2aqNBcr; 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="K2aqNBcr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 545451F000FF; Sun, 27 Sep 2026 08:04:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790496290; bh=b4eMTjCfJ1PIfqlLGJOi0pYHkTbDgiFQK7ZHuOPTfF8=; h=Date:From:To:Cc:Subject; b=K2aqNBcrZLX47j9rQr6AZoyNFSFedP9rffRzlccXIr7FTwZdXNx+3c9NMQiyoeWnD AP9LqUyh/OhzMg922g35QbwQSwoufZSnBqED4B1fOO4WXQXUtoIC2veyRuTs0H7VCN RIay6XISjWb62f9ZXSZIeTKtotqe+b/ZQjnv+jH1g4y7eri4ot9nfgpiiFroqWbLHJ ulLmAlog0/jqJNpbu31Xwv2ZwLVnah7wICSmleeazg67M/Q6+bo9i9HibTxfrB3iQL 5HR0rMAAd7NeP1yrygNE75+NwUuI2W6vR7+f1a7/zCMEJ5aED9+52osSKl739+5egs earhpvFctxBEw== Date: Sun, 27 Sep 2026 10:04:44 +0200 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-2026-09-27 for you to fetch changes up to a0bb6fac53fa7cf1cadb487b43d4c9276a6b82e3: Scheduler fixes: - Fix LLC mis-scheduling bugs (Tim Chen, Lu Wang) - Fix cache-grouping related scheduling statistics UAF bugs (Tim Chen) - Skip kernel threads for cache aware scheduling to rubustify the code (Chen Yu) - Refresh LLC capacity across CPU hotplug, to fix capacity underestimation bug (Davi Chaves Azevedo) - Account PSI IRQ time to the execution context, not the scheduling context, to fix proxy scheduling accounting bug (Zhan Xusheng) Thanks, Ingo ------------------> Chen Yu (1): sched/cache: Skip kernel threads for cache aware scheduling to rubustify the code Davi Chaves Azevedo (1): sched/cache: Refresh LLC capacity across CPU hotplug, to fix capacity underestimation bug Lu Wang (1): sched/cache: Honor migrate_llc_task semantics in active load balance, to fix LLC mis-scheduling bug Tim Chen (3): sched/cache: Keep nr_pref_llc_running in the runnable domain, to fix LLC mis-scheduling bug sched/cache: Decouple sched_cache_group from mm to fix UAF sched/cache: Introduce task_struct->sched_cache_grp to fix UAF Zhan Xusheng (1): sched/core: Account PSI IRQ time to the execution context, not the scheduling context drivers/base/cacheinfo.c | 11 +- fs/exec.c | 1 + include/linux/mm_types.h | 15 +- include/linux/sched.h | 20 +- include/linux/sched/topology.h | 4 +- kernel/exit.c | 28 +-- kernel/fork.c | 2 + kernel/sched/core.c | 2 +- kernel/sched/fair.c | 417 +++++++++++++++++++++++++++++++++-------- kernel/sched/topology.c | 22 ++- 10 files changed, 388 insertions(+), 134 deletions(-)