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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 20325C3A59E for ; Wed, 21 Aug 2019 13:20:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 E418922CF7 for ; Wed, 21 Aug 2019 13:20:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WWAAKJNH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E418922CF7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ogVf9SErmFUKMZnuuvntcYy8oLJpKWeSjZCYeAwChag=; b=WWAAKJNHMBI0/uWP1y3hNQqTT xWqcIKJMlpAzXecbit8U6pN7uozz/moIHcNeaiYIvJA+UxLcH4Hye528/V4km7uGbTaZIWFshVgx1 TEOrpD7h1yFwcQpv0kL2IHkTgnXYCafJDjLtT2cvztsVeibI+Flv/93847+DsEWFO8EYOYfTMgzCm /UpXkxdCCI71JLK/qCS4G8S8Q1F4MkQsOuP+4zVNir5XMQWDM0ym4Pnjbd8Kc/rzQUErtLfG6a6Od fonJbOrKMsKXa6F45WCO5mmfu1u3QpNNYD2zJ55ozhr12LEciGz/1JCXfXdfnjwHLPvxP/2eD5dcb /+NncdLgA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i0QXL-0007ND-Jp; Wed, 21 Aug 2019 13:20:27 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i0QXI-0007Mt-S6 for linux-arm-kernel@lists.infradead.org; Wed, 21 Aug 2019 13:20:26 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 84568337; Wed, 21 Aug 2019 06:20:21 -0700 (PDT) Received: from [192.168.122.164] (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0B8ED3F706; Wed, 21 Aug 2019 06:20:21 -0700 (PDT) Subject: Re: [PATCH v4 1/2] ACPI/PPTT: Add support for ACPI 6.3 thread flag To: John Garry , Will Deacon , "Rafael J. Wysocki" References: <20190808204007.30110-1-jeremy.linton@arm.com> <20190808204007.30110-2-jeremy.linton@arm.com> <20190808222518.5q4fhd2tvs4lb6aw@rric.localdomain> <20190812115907.kugk57jvv3g2r66a@willie-the-truck> From: Jeremy Linton Message-ID: <72ee16ea-1038-37a1-25b1-f28b5c6b6edb@arm.com> Date: Wed, 21 Aug 2019 08:20:09 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190821_062024_953899_16A71C09 X-CRM114-Status: GOOD ( 16.69 ) 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@arm.com" , "rric@kernel.org" , "catalin.marinas@arm.com" , "rjw@rjwysocki.net" , "linux-acpi@vger.kernel.org" , Robert Richter , wanghuiqiang , "sudeep.holla@arm.com" , "linux-arm-kernel@lists.infradead.org" , "lenb@kernel.org" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="windows-1252"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On 8/20/19 4:01 AM, John Garry wrote: > On 12/08/2019 12:59, Will Deacon wrote: >> On Mon, Aug 12, 2019 at 11:06:07AM +0200, Rafael J. Wysocki wrote: >>> On Fri, Aug 9, 2019 at 12:25 AM Robert Richter = >>> wrote: >>>> >>>> On 08.08.19 15:40:06, Jeremy Linton wrote: >>>>> ACPI 6.3 adds a flag to the CPU node to indicate whether >>>>> the given PE is a thread. Add a function to return that >>>>> information for a given linux logical CPU. >>>>> >>>>> Signed-off-by: Jeremy Linton >>>>> Reviewed-by: Sudeep Holla >>>>> --- >>>>> =A0drivers/acpi/pptt.c=A0 | 53 = >>>>> +++++++++++++++++++++++++++++++++++++++++++- >>>>> =A0include/linux/acpi.h |=A0 5 +++++ >>>>> =A02 files changed, 57 insertions(+), 1 deletion(-) >>>> >>>> Reviewed-by: Robert Richter >>> >>> Acked-by: Rafael J. Wysocki >>> >>> and please push it through ARM64 along with the second patch. >> >> Thanks. I'll push these into -next shortly. > = > = > Hi Jeremy, > = > We're considering requesting this support is backported to stable. We = > have a platform which incorrectly sets the MT bit. To update our = > firmware to PPTT v2, we need the kernel to support PPTT v2 also. > = > Please let me know if you anticipate an issue in this. No I don't see any issues with that once it lands. I believe the ball is rolling in the case of some older distro kernel's = as well. Thanks, _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel