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=-3.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 BD556C433E7 for ; Mon, 20 Jul 2020 13:58:53 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 709F92070A for ; Mon, 20 Jul 2020 13:58:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="UtNpR9qY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 709F92070A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4B9NcW3tY3zDqYM for ; Mon, 20 Jul 2020 23:58:51 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4B9NYc2WqXzDqBG for ; Mon, 20 Jul 2020 23:56:20 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=UtNpR9qY; dkim-atps=neutral Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4B9NYb50Gwz9sRN; Mon, 20 Jul 2020 23:56:19 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ellerman.id.au; s=201909; t=1595253379; bh=YOfuz1HsYtbnV/gQKJDx2PgsL0NDBwej/3aYQDdUqGo=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=UtNpR9qY+aziAfMelw6mMbHvTT8vmEpFbf7M2wk2aolgx3ItJlMw+Ac2z0mmvp0Hx b2vcFoPLJJDL7WOG6W25xEjEpPswwyMK6F4d+Ac7FtcKgtXl+u5a+zktKGddv6pFZX est1RWIz+ZxJ63clfLHcLgWir7MQX4r+8AKpxp5BcHcXq95FqkcCZukPFfQXvrnwLH NVFlLie6H/9iRiR4r7zhs1culBLAzd2YFh0DnPcPi+9cdfwQHSpDksINGR5NXw53hG BuPhY5Btk25Je8sV436Ou8vfV2X0ughs95lwCn4Fsrk1+/U1cuJqlwalwbMTBkCI2/ 9w+ri/rNIUYIA== From: Michael Ellerman To: Srikar Dronamraju Subject: Re: [PATCH 07/11] Powerpc/numa: Detect support for coregroup In-Reply-To: <20200714043624.5648-8-srikar@linux.vnet.ibm.com> References: <20200714043624.5648-1-srikar@linux.vnet.ibm.com> <20200714043624.5648-8-srikar@linux.vnet.ibm.com> Date: Mon, 20 Jul 2020 23:56:19 +1000 Message-ID: <875zaithmk.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nathan Lynch , Gautham R Shenoy , Oliver OHalloran , Michael Neuling , Srikar Dronamraju , Anton Blanchard , linuxppc-dev , Nick Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Srikar Dronamraju writes: > Add support for grouping cores based on the device-tree classification. > - The last domain in the associativity domains always refers to the > core. > - If primary reference domain happens to be the penultimate domain in > the associativity domains device-tree property, then there are no > coregroups. However if its not a penultimate domain, then there are > coregroups. There can be more than one coregroup. For now we would be > interested in the last or the smallest coregroups. Should I know what a "coregroup" is? It's not a term I'm familiar with. When you repost can you expand the Cc list to include lkml and scheduler/topology folks please. cheers