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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F5CEC77B61 for ; Mon, 10 Apr 2023 18:09:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229697AbjDJSJ2 (ORCPT ); Mon, 10 Apr 2023 14:09:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54262 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230013AbjDJSJ0 (ORCPT ); Mon, 10 Apr 2023 14:09:26 -0400 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6006B198C; Mon, 10 Apr 2023 11:09:25 -0700 (PDT) Received: by mail-pj1-x1034.google.com with SMTP id 98e67ed59e1d1-2465fe1a898so413768a91.2; Mon, 10 Apr 2023 11:09:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1681150165; x=1683742165; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=0fXu7DYdVuCd14gLxRopl/Lt9Z7GNto7IFGejwkrdq0=; b=B+Me6XJodXH/F8t2+xmQ4g5q4NwxpD3jBH0wq+IHarUEnaG0mziX0jvzxjkAZe9iAS pyl0293gHLgPUIzX+/ZivGSxZM9uyZ6darbL0xu7AdpPts3UiyPGJEUOaEpdgz6rrtF+ qlQrL4TqMRpus3rSqHFvDHWgYpI/C9ywtyHwXN/XvijMNdnMNqWUSnZNdsC63ptlnQbN 9ThaT4Z6FADUV5YNG4mGck2Ojfczvs6nL44wrbFDdlWSJKMzqlFCteGh6aF+XjVNldyZ iu2du2ps3MKIgE//d5l3qo99Ro2CsQHHcaUpjfaauKgCkGRCw4nSeaPFhk3boQHGTmx+ rdVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1681150165; x=1683742165; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=0fXu7DYdVuCd14gLxRopl/Lt9Z7GNto7IFGejwkrdq0=; b=bwMrlqw5ctCsDoJ+rWqW9Q/jOMObmDFQftoC5VM58KD9/EVJcpClywOcXwhWflph35 dyOYSdB1HsFvArX46haDhWNa+t2SI3vBB/cvCzeJGswN4/NifMz7fOsaFXPs/ibXVdvK J4Jd03xt9ZCJ0pvl6Vvfkqy8BBCoXciDwkEDaKAhW1CO0Ot/SMtc+ZkYiEwQ0A7YLowL Xpb6GmQtvJIQwOeLUIwguKsQfgwnTzUDlhdW6JxeGSzv1oIE0uRXC64PIXCOreSkyN+o 4KeST/Yw6irwhAygtcDagjUumNIinR9wtypgqoLGBR0m2gCyL85hBqCV0nkWmiqjIIHK Fy2A== X-Gm-Message-State: AAQBX9cWrPMjHzBtDCNk3ZsqvTXrxw0YchYXWl/jyv8SgaVb38XHFaIP SjkArBwy0nfznqo96+EeraVyHAxWxtM= X-Google-Smtp-Source: AKy350Y+06dUcvpO3pOPLHpKFIuB68N8vOVy/RuFufG/YJ8AA3vKs6iChbdg9Wml+pDHimbD6lwGaQ== X-Received: by 2002:aa7:9a41:0:b0:63a:38d2:d41f with SMTP id x1-20020aa79a41000000b0063a38d2d41fmr1884203pfj.29.1681150164744; Mon, 10 Apr 2023 11:09:24 -0700 (PDT) Received: from localhost ([216.228.127.130]) by smtp.gmail.com with ESMTPSA id u25-20020aa78399000000b0062d7e9bb17asm8111025pfm.81.2023.04.10.11.09.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Apr 2023 11:09:24 -0700 (PDT) Date: Mon, 10 Apr 2023 11:09:22 -0700 From: Yury Norov To: Jakub Kicinski , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Saeed Mahameed , Pawel Chmielewski , Leon Romanovsky , "David S. Miller" , Eric Dumazet , Paolo Abeni , Andy Shevchenko , Rasmus Villemoes , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Tariq Toukan , Gal Pressman , Greg Kroah-Hartman , Heiko Carstens , Barry Song Subject: Re: [PATCH 0/8] sched/topology: add for_each_numa_cpu() macro Message-ID: References: <20230325185514.425745-1-yury.norov@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230325185514.425745-1-yury.norov@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Sat, Mar 25, 2023 at 11:55:06AM -0700, Yury Norov wrote: > for_each_cpu() is widely used in kernel, and it's beneficial to create > a NUMA-aware version of the macro. > > Recently added for_each_numa_hop_mask() works, but switching existing > codebase to it is not an easy process. > > This series adds for_each_numa_cpu(), which is designed to be similar to > the for_each_cpu(). It allows to convert existing code to NUMA-aware as > simple as adding a hop iterator variable and passing it inside new macro. > for_each_numa_cpu() takes care of the rest. > > At the moment, we have 2 users of NUMA-aware enumerators. One is > Melanox's in-tree driver, and another is Intel's in-review driver: > > https://lore.kernel.org/lkml/20230216145455.661709-1-pawel.chmielewski@intel.com/ Are there any more comments to the series? If not, I'll address those shared by Andy and send v2. Thanks, Yury