From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout.efficios.com (smtpout.efficios.com [158.69.130.18]) (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 F27631B982E for ; Mon, 20 Jan 2025 17:26:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=158.69.130.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737394011; cv=none; b=m7YBxRSJoGBmhYRZ/yAaXBIwHuyrAO46WKB9sVvW8+xDnAjSFKX8DbP5MwvmFL5HCchPnkFOY+auie/vxV/8Q/Cj59Imaxr1176yYGutpejj+CuNGk97NsHoR76n21glvphJv+lGBG40bGJmkbGtU87Yagy/mDqFZrEy5uYPKH0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737394011; c=relaxed/simple; bh=xid4AKGa0Fh/IG4/FjzVZ+OiRyoeeq7xV8lElAKSDq0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=b8K+kHFrYDzt6H8OxlzTQgPHdK9PNzBLs3UhHxYkmjPQVQL9FtA1Ev3C334wXGMbefAS6C8f+8l7qBSd/0Ltfb9U3/Tas/UElYIZfO32hI4jHlh2tfmKiI1sLm569C2P5DMhMbM7G0lrFwTWITXgOJAnS2gyPDRemV/XrjNVtjI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=efficios.com; spf=pass smtp.mailfrom=efficios.com; dkim=pass (2048-bit key) header.d=efficios.com header.i=@efficios.com header.b=ALXaZSir; arc=none smtp.client-ip=158.69.130.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=efficios.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=efficios.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=efficios.com header.i=@efficios.com header.b="ALXaZSir" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=efficios.com; s=smtpout1; t=1737394002; bh=xid4AKGa0Fh/IG4/FjzVZ+OiRyoeeq7xV8lElAKSDq0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ALXaZSir5OsqawT7f+8mU3ebafdebS4zLCruppKq2ufZAQ0xf/Xfts90vocbUUZA/ TeTdBB3fRSoz3a3FpgRB4j9BQ5m7GaIV9uJ9nLCVzhJFpk9AQ76K1vM/r80AJ9enss zQs3/zI+WhSZQQWlJEucF5JQHfQym1i1LyTGpfFQDa33BtELpb2myh4w0ukC/nX+Fz aLIF5v2D69CMv4YzZR99ycPGRg6l57udeaqEjljlwlm+0tNNo9wL0R39bOwa/3lX8J d6THzAAdGefOQvG9IfsULb4huUypWGYmLTgNT6lZLWzHrYrImcUttiTKsSRWd+SgFb lOfiPLq/+l/1w== Received: from localhost.localdomain (96-127-217-162.qc.cable.ebox.net [96.127.217.162]) by smtpout.efficios.com (Postfix) with ESMTPSA id 4YcHM623xGzd9p; Mon, 20 Jan 2025 12:26:42 -0500 (EST) Date: Mon, 20 Jan 2025 12:26:41 -0500 From: Mathieu Desnoyers To: Ingo Molnar Cc: Linus Torvalds , linux-kernel@vger.kernel.org, Peter Zijlstra , Thomas Gleixner , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Shrikanth Hegde , Tejun Heo Subject: Re: [GIT PULL] Scheduler enhancements for v6.14 Message-ID: References: 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 In-Reply-To: On 20-Jan-2025 12:07:41 PM, Ingo Molnar wrote: > > Linus, > > Please pull the latest sched/core Git tree from: > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-core-2025-01-20 > > # HEAD: 7d9da040575b343085287686fa902a5b2d43c7ca psi: Fix race when task wakes up before psi_sched_switch() adjusts flags > > Scheduler enhancements for v6.14: [...] > - RSEQ enhancements: > > - Validate read-only fields under DEBUG_RSEQ config > (Mathieu Desnoyers) FYI, a regression introduced by this commit was reported by s390x glibc developers testing against linux-next: https://sourceware.org/pipermail/libc-alpha/2025-January/163993.html I've sent a fix here: https://lore.kernel.org/lkml/20250116205956.836074-1-mathieu.desnoyers@efficios.com/ The commit introducing the issue is in this PR, but not the fix. Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com