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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 3CEDEC3A589 for ; Tue, 20 Aug 2019 09:02:29 +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 10ED822CF7 for ; Tue, 20 Aug 2019 09:02:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Z9tMICc4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 10ED822CF7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.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:References: To:Subject:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=IDw7+O/V1MxZr+YhC5WNZLvAKoJ1ZUik//xXLxruoQI=; b=Z9tMICc4X+pRgH6lTrlYZJJVB CNYXo3ZzmLLD01Y05iybgRmgmPc/OBXZ/UHRsAOqnPMzKonUymVsua043NVieFtkLz/Jy32TovFny kBFrTQTZ5bvRDiZhVpXulWPqf6WnCBZuT+ROZlIlVJvRiZjCfCblsS/TzElE4ugun/ZLUjfu7Aixa jelnLX7QXVRc2JQxSy/7rBxrI1t4Yi13eK5vpHXHaad6P8uodKSUO1Ja7km8jICOrrqMl1Vr8t5Mh USJiJmDGEi/dg0DdcoSu63AcXPITySSq/omWQToCxrXrTW1WrFgBMgg96x+42WWOVpXkoYsjN0xmS QbOFBHlrg==; 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 1i0020-0008U9-Px; Tue, 20 Aug 2019 09:02:20 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i001w-0008Ti-Le for linux-arm-kernel@lists.infradead.org; Tue, 20 Aug 2019 09:02:18 +0000 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 6915A5821CB23C58AC55; Tue, 20 Aug 2019 17:02:12 +0800 (CST) Received: from [127.0.0.1] (10.202.227.238) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.439.0; Tue, 20 Aug 2019 17:02:04 +0800 From: John Garry Subject: Re: [PATCH v4 1/2] ACPI/PPTT: Add support for ACPI 6.3 thread flag To: Will Deacon , "Rafael J. Wysocki" , Jeremy Linton References: <20190808204007.30110-1-jeremy.linton@arm.com> <20190808204007.30110-2-jeremy.linton@arm.com> <20190808222518.5q4fhd2tvs4lb6aw@rric.localdomain> <20190812115907.kugk57jvv3g2r66a@willie-the-truck> Message-ID: Date: Tue, 20 Aug 2019 10:01:57 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: <20190812115907.kugk57jvv3g2r66a@willie-the-truck> X-Originating-IP: [10.202.227.238] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190820_020217_282912_3B5CFE86 X-CRM114-Status: GOOD ( 12.23 ) 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: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 >>>> --- >>>> drivers/acpi/pptt.c | 53 +++++++++++++++++++++++++++++++++++++++++++- >>>> include/linux/acpi.h | 5 +++++ >>>> 2 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. Cheers, John > > Will > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel