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=-9.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 40BF3C4363D for ; Wed, 7 Oct 2020 14:23:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC59F212CC for ; Wed, 7 Oct 2020 14:23:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="RFXeIrZg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728608AbgJGOXO (ORCPT ); Wed, 7 Oct 2020 10:23:14 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:46047 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728053AbgJGOXO (ORCPT ); Wed, 7 Oct 2020 10:23:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1602080593; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=arCJetUQyffSDjg12W9Bfh+TxnVKzaBR2KG2Ej+1vzg=; b=RFXeIrZgSUJLdo3RlpVWwZrZ/BQYNMZBT8lq8bpvakjQAoAHT9QAZAoO3SWzOKb+REHQ4B 6k8QDC+JAw9Wj5LaSa1wCkzBB2+Vo6z6P4aprdU+/lM0VQj87EehP+W47fDFJ1PSpc5jmB CEs03sza5XapTTSnA+7qhkthzZYqCR4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-236-yazGlPxIPsy3s1B2I8T-qg-1; Wed, 07 Oct 2020 10:23:11 -0400 X-MC-Unique: yazGlPxIPsy3s1B2I8T-qg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2DD8E10857E8; Wed, 7 Oct 2020 14:23:09 +0000 (UTC) Received: from ovpn-66-246.rdu2.redhat.com (ovpn-66-246.rdu2.redhat.com [10.10.66.246]) by smtp.corp.redhat.com (Postfix) with ESMTP id 51433757DF; Wed, 7 Oct 2020 14:23:04 +0000 (UTC) Message-ID: Subject: Re: [PATCH v2 09/11] powerpc/smp: Optimize update_mask_by_l2 From: Qian Cai To: Srikar Dronamraju Cc: Michael Ellerman , Nathan Lynch , Gautham R Shenoy , Michael Neuling , Peter Zijlstra , LKML , Nicholas Piggin , Valentin Schneider , Oliver O'Halloran , Satheesh Rajendran , linuxppc-dev , Ingo Molnar Date: Wed, 07 Oct 2020 10:23:03 -0400 In-Reply-To: <20201007141745.GM12031@linux.vnet.ibm.com> References: <20200921095653.9701-1-srikar@linux.vnet.ibm.com> <20200921095653.9701-10-srikar@linux.vnet.ibm.com> <20201007141745.GM12031@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2020-10-07 at 19:47 +0530, Srikar Dronamraju wrote: > Can you confirm if CONFIG_CPUMASK_OFFSTACK is enabled in your config? Yes, https://gitlab.com/cailca/linux-mm/-/blob/master/powerpc.config We tested here almost daily on linux-next.