From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 320E02DA750; Mon, 2 Feb 2026 20:06:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770062778; cv=none; b=PvNmk075uL4NJoBIJCPgn/Kjz4btBAaOI+xs0eejoTBpo7OY9xNy2Gmzwx0TXdANsWNShCMB83dFLvl2xnqrBRdpLo7PNViVs4JIU+6HwYe7orHKrQDOTjQxrC+uwoth8IuRVvn9++jC9gw2GwdFBchTav8BSc+q9JJzFuHkoN4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770062778; c=relaxed/simple; bh=HHrXkej/f/a2t9EQOmJlB/QYwWVipv0R/r6Z2wXnlXo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=fEbHXpHGUvPB5VqWxBqgbU/5LG7006JZB6R4EAQzAsLuZtm+7C0VGKNNE/cYdJzZjYr9mF1nqGlO7uBs/CjsdLSGWUuQO8w7N5yx8lmDcTx0+NbXeAzZhDj9HNP37pwTCbox1tkZoVNu2MMFMPbRk3E5XRpvK9IPlaPrVzbAsiU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=pAi98Agg; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="pAi98Agg" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=ZhU0N631qBi+iE52tj9a+dPE2D9hgfFQrTqnyjNKhFg=; b=pAi98AggagaMHaEsNgavBewaYs OgZ3EqIMz3qy8QydkF78WIZMIFkgDgpLfn79YIS6QGcpgqFwp9DdDg+3SDHr2fLCx0BTn6zsrtgmt tgZkCmHnBDK+ECG0V5S/54nQgUvvv4RnHkQg21DmRnhceq9ddQTFSo5t3xyLOxtL8ZmowKUhHfPVu di3b+UP6IrKqqu7pi6fVrWAZQqPIW2yaAmdvAyO1BZKPv5SBazl7I3/k5iqIqZ2Xgi8FuVvqtP4Cz LJAQIhxRiA/g702hZi0wv/tsQMV0ZNeDvoTCYjolk6PNse438lGNzLrMNufOFjgobs5Hm36yt9tTO CQrzKEzA==; Received: from 2001-1c00-8d85-5700-266e-96ff-fe07-7dcc.cable.dynamic.v6.ziggo.nl ([2001:1c00:8d85:5700:266e:96ff:fe07:7dcc] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vn0BX-0000000H06o-0N9p; Mon, 02 Feb 2026 20:06:11 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id A49613008E2; Mon, 02 Feb 2026 21:06:10 +0100 (CET) Date: Mon, 2 Feb 2026 21:06:10 +0100 From: Peter Zijlstra To: Waiman Long Cc: Chen Ridong , Tejun Heo , Johannes Weiner , Michal =?iso-8859-1?Q?Koutn=FD?= , Ingo Molnar , Juri Lelli , Vincent Guittot , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Anna-Maria Behnsen , Frederic Weisbecker , Thomas Gleixner , Shuah Khan , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH/for-next v2 1/2] cgroup/cpuset: Defer housekeeping_update() call from CPU hotplug to workqueue Message-ID: <20260202200610.GD1395416@noisy.programming.kicks-ass.net> References: <20260130154254.1422113-1-longman@redhat.com> <20260130154254.1422113-2-longman@redhat.com> <20260202130526.GE1395266@noisy.programming.kicks-ass.net> <20260202200457.GJ1282955@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: cgroups@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: <20260202200457.GJ1282955@noisy.programming.kicks-ass.net> On Mon, Feb 02, 2026 at 09:04:57PM +0100, Peter Zijlstra wrote: > On Mon, Feb 02, 2026 at 01:21:43PM -0500, Waiman Long wrote: > > > Yes, I am going to remove cpuset_locked in the next version. As for > > __guarded_by() annotation, I need to set up a clang environment that I can > > use to test it before I will work on that. I usually just use gcc for my > > compilation need. > > Debian experimental has clang-22, but there is also: > > https://github.com/llvm/llvm-project/releases/tag/llvmorg-22.1.0-rc2 Damn, copied wrong link: https://www.kernel.org/pub/tools/llvm/files/llvm-22.1.0-rc2-x86_64.tar.xz > See: Documentation/kbuild/llvm.rst >