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 D52E529C323; Fri, 26 Sep 2025 09:59:52 +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=1758880795; cv=none; b=hSa/zLD/NO2mu8kIp+n5z48IuEBKA44lBErsczjnJHANJWzSiDDzOuB5BITj+vYZZ0tQUwJneC9JBg13oEqTajwlv+eOiLzCICYWw+k3AM6yI4yG5DPFLo4TKoLXx8H+/irB4rMtegS3WewFVNvSzhCpB2MzQBpgg4IwJquWKWw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758880795; c=relaxed/simple; bh=Vz2mRzmLO/vc87vmSaWw7k2AvWjaU3Y0LKHO/ukbElg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=B31rMds51jY69bH7/GZGo5zZHEwjMENWH73We+KmbmvHjRQTjsEN1uC68KpYGT0HhSrzKiHtnnk3rafMsigy2/YUSa1eMxmdBaNGkcnlV8/DhlgRDaILT4W2SXt7bxoCd1JfP8LTTIVjdegXIlaSr089mLXyIOFDvuOYy30Q+P8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (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=p2wfhmnm; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (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="p2wfhmnm" 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=Vz2mRzmLO/vc87vmSaWw7k2AvWjaU3Y0LKHO/ukbElg=; b=p2wfhmnmUwJH3a//KTSKX6ed7U XUXJ6SoweUNbk8Xszb/f9eb98lU7jGGTEtmvAaJ2O/+1eukfXJ6YXKAhBpnTFgniOYSO25AQf3Ip2 qs6PEbb2K7pKeXJar4K+MybCrKpin2+6wV4tYVXiWi0UH4rQtR8pY4e19NqaM58iTLPhnIeQY3sEr KdIzeM0Vhqe0SSItkOGcuGGT0nkblsOCHtgYyF2Y7ci0q6L2Hg+7M26WwrXUCCDfUt14f0CrIpxsA BMHxav0fS7cV9PXkLWd8A3n7uBUKxy0n0sK9rVGSZSeZTbit9gnJh+FM7EsGrVyw7A7xXeDPufc3J GJE4WxTA==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1v25Ej-00000009d3f-3Smy; Fri, 26 Sep 2025 09:59:34 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 0C54B3002BF; Fri, 26 Sep 2025 11:59:34 +0200 (CEST) Date: Fri, 26 Sep 2025 11:59:34 +0200 From: Peter Zijlstra To: Tejun Heo Cc: linux-kernel@vger.kernel.org, mingo@redhat.com, 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 Subject: Re: [PATCH 12/14] sched: Add shared runqueue locking to __task_rq_lock() Message-ID: <20250926095934.GD4067720@noisy.programming.kicks-ass.net> References: <20250910154409.446470175@infradead.org> <20250910155809.684653538@infradead.org> <20250912115459.GZ3289052@noisy.programming.kicks-ass.net> <20250915083815.GB3289052@noisy.programming.kicks-ass.net> <20250925083533.GW4067720@noisy.programming.kicks-ass.net> 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 Thu, Sep 25, 2025 at 11:43:18AM -1000, Tejun Heo wrote: > Can you point me to the RT interaction issue? https://lkml.kernel.org/r/fca528bb34394de3a7e87a873fadd9df@honor.com