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 C871735B12B; Tue, 13 Jan 2026 11:53:20 +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=1768305203; cv=none; b=ACkJGrHTyHaaLWafIFTstWFshfO3sxdDbT3zNHN5vKltmog/kzPjn3/M3mlAJHazt95Og5O4hhcu9Bw/W4JSX8q8XI3PfmK75nZl/Hj5YAV4pXxQei3+L3uXTP7dgD7UcnEPFzkAAwShcYkFFuaYWl8/XG91ZUvcRM+EZ7Al6Po= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768305203; c=relaxed/simple; bh=4iNbjDBs2icCIgq6xK30jbASGeYpwp9oMXBudnn31kA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=b+yGuZaq9FeHHnOuywNzPg3MzNW+9pIxo6ou9fQSi1bZ13O8agEawy5PFADCiCVGVU1v8+4HN0YpbNvMX3qJ8ExWSXQQymU7WmhNpMrghankPj4tyDjWYAvkAWAnY4sfJVaHumy8ltqcDpT/edaBKtT/Q0AalEBXtLa4xNr7TL4= 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=PAzpakrb; 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="PAzpakrb" 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=4iNbjDBs2icCIgq6xK30jbASGeYpwp9oMXBudnn31kA=; b=PAzpakrb+ARyBna4KP4ogfC85F 6/e5cRV5Hj59QFSFTeReed0hlz1Vxb28l0PD2Jtx8862usNrkmh6RdFlbJq97UfEHj/wyQq3M6asV PuxrLFbMt3EGFHpGBWS0nCIDjthexHgKE3kJz1eE9klylixdfQydrbpBG9XwQZYEm/imtSwIKM/rs 1xgZfkEcv3Gai8IO9WrAh+FhR9lMF4qDxjN7ZWC8t0ZmtWu/taMwfsNX7vi/lAjYa14aJCmedQ9HS XRECVpd6IelQARf4NBRV6cPslIyMmFFZRwq9pmrJBSa8x8SgvmgpzkSGRaBre7UaIzqkEDaWytO8X tdch/FFw==; 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 1vfcxS-00000004fJh-3TrU; Tue, 13 Jan 2026 11:53:10 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id AF50C30049A; Tue, 13 Jan 2026 12:53:09 +0100 (CET) Date: Tue, 13 Jan 2026 12:53:09 +0100 From: Peter Zijlstra To: K Prateek Nayak Cc: Pierre Gondois , tj@kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, longman@redhat.com, hannes@cmpxchg.org, mkoutny@suse.com, void@manifault.com, arighi@nvidia.com, changwoo@igalia.com, cgroups@vger.kernel.org, sched-ext@lists.linux.dev, liuwenfang@honor.com, tglx@linutronix.de, Christian Loehle Subject: Re: [PATCH 05/12] sched: Move sched_class::prio_changed() into the change pattern Message-ID: <20260113115309.GB831050@noisy.programming.kicks-ass.net> References: <20251006104402.946760805@infradead.org> <20251006104527.083607521@infradead.org> <717a0743-6d8f-4e35-8f2f-70a158b31147@arm.com> 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: On Tue, Jan 13, 2026 at 04:35:02PM +0530, K Prateek Nayak wrote: > Does enabling WARN_DOUBLE_CLOCK warn of a double clock update before > hitting this warning? setup_new_dl_entity() -> update_rq_clock() seems like it will trip that in this case.