From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7436AC2D0A3 for ; Mon, 26 Oct 2020 12:00:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 090CA22265 for ; Mon, 26 Oct 2020 12:00:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="XcPe+CfB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1774614AbgJZMAh (ORCPT ); Mon, 26 Oct 2020 08:00:37 -0400 Received: from casper.infradead.org ([90.155.50.34]:38410 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1769221AbgJZMAg (ORCPT ); Mon, 26 Oct 2020 08:00:36 -0400 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=u20lWUbRrbd3iYR1FUzEq+iuwdVgwCFfuhJCV3CaHs4=; b=XcPe+CfBjxe2ido98eQLKGmr14 TFZPSUhBEo0tsRr55rjM5ePFo8VJsu3VGcLhE+9f25OacBF67rq9cT8dtuUrgdWtHBE8xSw6Bcbfh yg4Yhkoe5OezvY6jmQOh/paX5v6PbuKiZTeoeqOtL6fH8iIFmzO743EHjg7B90YCDDthmbgpdO5QT BsX9E19dS8iotkA//7O54dBw8rkNcMl5WkpMKQjCOiCCVd9wqWpdzdR4d78dt/PHubflxxK13gTPu MNV1qy8BGTqOGBY925aSetvKA2PPVNuNVfFhP0/MViJyEj+qLII2v9yNXMYnEt2SRFA9FsyFK9+7E 2pFqTpRg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kX19u-0001O8-A8; Mon, 26 Oct 2020 11:59:30 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id BA2EA305815; Mon, 26 Oct 2020 12:59:27 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 997F3214ECD42; Mon, 26 Oct 2020 12:59:27 +0100 (CET) Date: Mon, 26 Oct 2020 12:59:27 +0100 From: Peter Zijlstra To: "Joel Fernandes (Google)" Cc: Nishanth Aravamudan , Julien Desfossez , Tim Chen , Vineeth Pillai , Aaron Lu , Aubrey Li , tglx@linutronix.de, linux-kernel@vger.kernel.org, mingo@kernel.org, torvalds@linux-foundation.org, fweisbec@gmail.com, keescook@chromium.org, kerrnel@google.com, Phil Auld , Valentin Schneider , Mel Gorman , Pawan Gupta , Paolo Bonzini , vineeth@bitbyteword.org, Chen Yu , Christian Brauner , Agata Gruza , Antonio Gomez Iglesias , graf@amazon.com, konrad.wilk@oracle.com, dfaggioli@suse.com, pjt@google.com, rostedt@goodmis.org, derkling@google.com, benbjiang@tencent.com, Alexandre Chartre , James.Bottomley@hansenpartnership.com, OWeisse@umich.edu, Dhaval Giani , Junaid Shahid , jsbarnes@google.com, chris.hyser@oracle.com, Vineeth Remanan Pillai , Aubrey Li , "Paul E. McKenney" , Tim Chen Subject: Re: [PATCH v8 -tip 03/26] sched: Core-wide rq->lock Message-ID: <20201026115927.GH2628@hirez.programming.kicks-ass.net> References: <20201020014336.2076526-1-joel@joelfernandes.org> <20201020014336.2076526-4-joel@joelfernandes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201020014336.2076526-4-joel@joelfernandes.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 19, 2020 at 09:43:13PM -0400, Joel Fernandes (Google) wrote: > + if (!core_rq) { > + for_each_cpu(i, smt_mask) { > + rq = cpu_rq(i); > + if (rq->core && rq->core == rq) > + core_rq = rq; > + init_sched_core_irq_work(rq); That function doesn't exist quite yet. > + }