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 E73D0C433FE for ; Tue, 22 Mar 2022 11:07:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234017AbiCVLJB (ORCPT ); Tue, 22 Mar 2022 07:09:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233934AbiCVLIr (ORCPT ); Tue, 22 Mar 2022 07:08:47 -0400 Received: from mail-ej1-x62d.google.com (mail-ej1-x62d.google.com [IPv6:2a00:1450:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DADB78022F for ; Tue, 22 Mar 2022 04:07:18 -0700 (PDT) Received: by mail-ej1-x62d.google.com with SMTP id bi12so35451254ejb.3 for ; Tue, 22 Mar 2022 04:07:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=S6/4un/xAGRvWe3wYtxvyEE03qJte1803Enq//eWIzM=; b=B/Y56Fq+twYdKEoYHyCGmtTHsWIlZ8hk3Vig3e074KLnfLutoFGVVwPKmRclyc/pAq jdFBmZQq/CI1gTPZQvNWvZ1FC0ScopMtYQc650a+oPYURVRR1NmRB23vLDtN580mxnKg VDvcxxjABIAe53BY0FhYT38JDy1pTt5UMQfxHvhlUDgTxFVckNrCA1IWuv01u+HwLD9P fKgZ7+xg+/yV5vvyrlzXLrLqy0Z9lfGFRcf7Eg+nVKC5DZAkbkvQGJNAFUCCrSmXARGN QigoDI35ZZvSCmhYJhNubMbeHUlETJcATb8xuvTLtj01bgspPL8ZXxo8eks/GfTW3BG3 ncMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=S6/4un/xAGRvWe3wYtxvyEE03qJte1803Enq//eWIzM=; b=zKZuJEuJeHqqW3iDuL1DhtuqH6MXt8hBFKaxroPMLWiKbTL4KlDXpI44tnAEiBgYub LqZJkKukqJ6e18ipIwlTojOoFW8DAg6TjmJ89sMBN4hnYwPEm1n66nfKpTuAGkOQZIJh MBGMlT60vpdHwLlpOSLHuHF+Qm93Zic50UQxTnVzdRpAtOE9QBL03VRM+mTIwHhJayGD 3C7/SN/MTiTqYQ2XpJ2JVL+bshlkIG3LwIZyu6yayvnfQErK99SYTCTlklZEc6bR08FP yWu+YDabFJSMg7q/ygr3SPEpGZqmjQrPa8Pj26bsBJg7zt8ltsKOJ0emzOFwQuv7H8t2 kibA== X-Gm-Message-State: AOAM533hNlUydQ/4Q+MV92AS+NyLTvm46lAP570C3oARTzJuQGzJmJJW M89ffCIy5ZwGssKGD6qUpUk= X-Google-Smtp-Source: ABdhPJxtZijyRRU8uS3RNvZqdAwAkHMjkh800c3zWMTZI4tjZ9bcbTxQXRyjnVCxTt6AIjuyL9do4w== X-Received: by 2002:a17:907:94c4:b0:6da:c28c:3f44 with SMTP id dn4-20020a17090794c400b006dac28c3f44mr26381118ejc.722.1647947237306; Tue, 22 Mar 2022 04:07:17 -0700 (PDT) Received: from gmail.com (0526ECD0.dsl.pool.telekom.hu. [5.38.236.208]) by smtp.gmail.com with ESMTPSA id k12-20020aa7c38c000000b0041939d9ccd0sm3057841edq.81.2022.03.22.04.07.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Mar 2022 04:07:16 -0700 (PDT) Sender: Ingo Molnar Date: Tue, 22 Mar 2022 12:07:13 +0100 From: Ingo Molnar To: "Huang, Ying" Cc: Linus Torvalds , Qian Cai , Linux Kernel Mailing List , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Andrew Morton , Borislav Petkov , Thomas Gleixner Subject: Re: [GIT PULL] scheduler updates for v5.18 Message-ID: References: <871qyu5rim.fsf@yhuang6-desk2.ccr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <871qyu5rim.fsf@yhuang6-desk2.ccr.corp.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Huang, Ying wrote: > Hi, Ingo, > > Ingo Molnar writes: > > > * Ingo Molnar wrote: > > > >> > >> * Linus Torvalds wrote: > >> > >> > On Mon, Mar 21, 2022 at 6:13 AM Qian Cai wrote: > >> > > > >> > > On Mon, Mar 21, 2022 at 11:54:09AM +0100, Ingo Molnar wrote: > >> > > > Huang Ying (3): > >> > > > sched/numa-balancing: Move some document to make it consistent with the code > >> > > > sched/numa: Fix NUMA topology for systems with CPU-less nodes > >> > > > sched/numa: Avoid migrating task to CPU-less node > >> > > > >> > > Linus, I don't think you want to merge this as-is. This will introduce a > >> > > kernel crash on arm64 NUMA as mentioned in this thread, > >> > > >> > Ok, dropped from my queue. Thanks, > >> > >> I've reverted the broken commit & will send another pull request after > >> some testing. Sorry about that! > > > > Ended up using the fix below instead - it's tested already on the affected > > system. > > > > Thanks a lot for your help! > > Is it a general rule to send a fixing patch for the bug of a patch > merged by tip tree? Or a new version of the patch is acceptable too? Depends on how recently it got merged. This one was merged a few weeks ago, and the fix patch is simple enough, so I went for that approach. Thanks, Ingo