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=-4.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 A68BCC4363C for ; Fri, 2 Oct 2020 16:56:42 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 5082F20719 for ; Fri, 2 Oct 2020 16:56:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UqAbtf3n" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5082F20719 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From:In-Reply-To: References:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HHQT/nVJ/FbCyfVyhrLCvQTrBsUJTSx64QiJWcFnuhE=; b=UqAbtf3ncpU/Huvjj04C0JwrY ariPthQCniRVUphJStzCMQc1IyrjP6ToQhJlD8+faUPyUbesU0ou2dQuKHfMrCYGXBW8oI+hOl9OI uUUG7QOU9tnzXhOEy/GopKcDXYluNzaIwpKWLoZ+MoacA/yDdxaDPA1rwXTOLbGUHmO0r6DA5EjUj L/2fJGGdKYamIRSBrrGSmRmPcQc/nj2IYYzLg4kVNjh8+BaLeamV0SbTmnvUL6GOMyrrMWEkKqFzH jfjHce7eoLpXsRzU2+/Nwmhwxv9quhiHQPfu5lRSmwEU49waig5ijGNMxglGksIV/GuhAPHJ8uXVx 5JdSy3bHA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kOOL4-00025o-UV; Fri, 02 Oct 2020 16:55:22 +0000 Received: from mail-oo1-f67.google.com ([209.85.161.67]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kOOL1-000243-Do for linux-arm-kernel@lists.infradead.org; Fri, 02 Oct 2020 16:55:20 +0000 Received: by mail-oo1-f67.google.com with SMTP id b12so496527oop.13 for ; Fri, 02 Oct 2020 09:55:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=8acJid1D+NJC+ex0YodQOTm9oogbBy0h06gU04aC0XY=; b=nF/HGPGExXba3997+pacuDMC6vRfw4KF5RhHY3V7W8hprOQHBJd0boH2qp3ot2GAjZ E03vlouwdjfwx6g/JOxB6phjGkwcgD1MuX0+EPi3TeDzGGaD7WLi9sXsb3TmUe6+D5iq T54pM0Z7zb0TnfZTJuVUeIDi4vTXTWY8VA8QokHtZZTj7/y/4Z6uIeTY9FCu2yoa+fgL CI6X+o0ERfmgtVrPZiyBb8bHDhBnzaKpRWirGWz0nhcQZSGL301etb+hNtEyom+MLzv/ SQYy7+N3NEg9g18aCeUyG+Uluxc/SchYzwQjW+Wj6Tu4ecuUIhvNbCKoCJgEiBSLiMWQ qYTg== X-Gm-Message-State: AOAM530FhHSdxz0KmRhmu/zokvIOABPMcs+XRL/3H613fvGzXtFQhjGJ nEzv6PafRWBNI7PeXP+HeHu0dJzdLogaRt2xbA4= X-Google-Smtp-Source: ABdhPJwZUqG9hHnok6yLqSy68HWB+jGdIfkMO9LgBruMFrfKI+a59EUTUicSwMUusqw5ZgzGMiryMveJdWirBIO3Ikg= X-Received: by 2002:a4a:e946:: with SMTP id v6mr2586023ood.38.1601657717839; Fri, 02 Oct 2020 09:55:17 -0700 (PDT) MIME-Version: 1.0 References: <20200930140547.840251-1-Jonathan.Cameron@huawei.com> In-Reply-To: <20200930140547.840251-1-Jonathan.Cameron@huawei.com> From: "Rafael J. Wysocki" Date: Fri, 2 Oct 2020 18:55:06 +0200 Message-ID: Subject: Re: [PATCH v12 0/6] ACPI: Support Generic Initiator proximity domains To: Jonathan Cameron X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201002_125519_496573_467C9708 X-CRM114-Status: GOOD ( 20.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lorenzo Pieralisi , ACPI Devel Maling List , "Rafael J. Wysocki" , Linux API , the arch/x86 maintainers , Hanjun Guo , Linux Kernel Mailing List , Linuxarm , Linux Memory Management List , Ingo Molnar , Borislav Petkov , Brice Goglin , Bjorn Helgaas , Thomas Gleixner , Dan Williams , Linux ARM , Sean V Kelley Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Sep 30, 2020 at 4:07 PM Jonathan Cameron wrote: > > It would be very nice to finally merge this support during the next cycle, > so please take a look. > > I think we need acks covering x86, ARM and ACPI. Rafael took a look back > in November at v5 and was looking for x86 and ARM acks. Whilst there is > no ARM specific code left we probably still need an Ack. If anyone is > missing from the cc list, please add them. > > Introduces a new type of NUMA node for cases where we want to represent > the access characteristics of a non CPU initiator of memory requests, > as these differ from all those for existing nodes containing CPUs and/or > memory. > > These Generic Initiators are presented by the node access0 class in > sysfs in the same way as a CPU. It seems likely that there will be > usecases in which the best 'CPU' is desired and Generic Initiators > should be ignored. The final few patches in this series introduced > access1 which is a new performance class in the sysfs node description > which presents only CPU to memory relationships. Test cases for this > are described below. The whole series has been applied as 5.10 material. If anyone has concerns or objections, please let me know ASAP. 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