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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 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 9F316C433B4 for ; Sat, 1 May 2021 02:22:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 81086613F7 for ; Sat, 1 May 2021 02:22:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231579AbhEACWh (ORCPT ); Fri, 30 Apr 2021 22:22:37 -0400 Received: from mga02.intel.com ([134.134.136.20]:39491 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230508AbhEACWf (ORCPT ); Fri, 30 Apr 2021 22:22:35 -0400 IronPort-SDR: HH/KKVWXGV33XBRlA566Hpa1GRlCMMS+qGFtKRZDJU4GtjO2BkP8bz9Juey/u0nzKJM4Kv1QM6 Qp+xizNgHaaA== X-IronPort-AV: E=McAfee;i="6200,9189,9970"; a="184541737" X-IronPort-AV: E=Sophos;i="5.82,264,1613462400"; d="scan'208";a="184541737" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2021 19:21:46 -0700 IronPort-SDR: up+4B6cGqINpHOFiCvGSgCTCBH4t2C4586MGhDuo2WWqiBBS84WvP1j909tWdrSVmYAFKIORCF /P8gAY3KbxZw== X-IronPort-AV: E=Sophos;i="5.82,264,1613462400"; d="scan'208";a="387594007" Received: from jbrandeb-mobl4.amr.corp.intel.com (HELO localhost) ([10.209.64.230]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2021 19:21:45 -0700 Date: Fri, 30 Apr 2021 19:21:45 -0700 From: Jesse Brandeburg To: Nitesh Lal Cc: Thomas Gleixner , "frederic@kernel.org" , "juri.lelli@redhat.com" , Marcelo Tosatti , abelits@marvell.com, Robin Murphy , "linux-kernel@vger.kernel.org" , "linux-api@vger.kernel.org" , "bhelgaas@google.com" , "linux-pci@vger.kernel.org" , "rostedt@goodmis.org" , "mingo@kernel.org" , "peterz@infradead.org" , "davem@davemloft.net" , "akpm@linux-foundation.org" , "sfr@canb.auug.org.au" , "stephen@networkplumber.org" , "rppt@linux.vnet.ibm.com" , "jinyuqi@huawei.com" , "zhangshaokun@hisilicon.com" , netdev@vger.kernel.org, chris.friesen@windriver.com Subject: Re: [Patch v4 1/3] lib: Restrict cpumask_local_spread to houskeeping CPUs Message-ID: <20210430192145.00000e23@intel.com> In-Reply-To: References: <20200625223443.2684-1-nitesh@redhat.com> <20210128165903.GB38339@fuller.cnet> <87h7n0de5a.fsf@nanos.tec.linutronix.de> <20210204181546.GA30113@fuller.cnet> <20210204190647.GA32868@fuller.cnet> <87y2g26tnt.fsf@nanos.tec.linutronix.de> <7780ae60-efbd-2902-caaa-0249a1f277d9@redhat.com> <07c04bc7-27f0-9c07-9f9e-2d1a450714ef@redhat.com> <20210406102207.0000485c@intel.com> <1a044a14-0884-eedb-5d30-28b4bec24b23@redhat.com> <20210414091100.000033cf@intel.com> <54ecc470-b205-ea86-1fc3-849c5b144b3b@redhat.com> <87czucfdtf.ffs@nanos.tec.linutronix.de> <87sg37eiqa.ffs@nanos.tec.linutronix.de> X-Mailer: Claws Mail 3.12.0 (GTK+ 2.24.28; i686-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nitesh Lal wrote: > On Fri, Apr 30, 2021 at 2:21 PM Thomas Gleixner wrote: > > > > Nitesh, > > > > On Fri, Apr 30 2021 at 12:14, Nitesh Lal wrote: > > > Based on this analysis and the fact that with your re-work the interrupts > > > seems to be naturally spread across the CPUs, will it be safe to revert > > > Jesse's patch > > > > > > e2e64a932 genirq: Set initial affinity in irq_set_affinity_hint() > > > > > > as it overwrites the previously set IRQ affinity mask for some of the > > > devices? > > > > That's a good question. My gut feeling says yes. > > > > Jesse do you want to send the revert for the patch? > > Also, I think it was you who suggested cc'ing > intel-wired-lan ml as that allows intel folks, to do some initial > testing? > If so, we can do that here (IMHO). Patch sent here: https://lore.kernel.org/lkml/20210501021832.743094-1-jesse.brandeburg@intel.com/T/#u Any testing appreciated! Jesse