From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=wETr=XU=vger.kernel.org=linux-kernel-owner@kernel.org>
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=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 5A7C4C432C2
	for <linux-kernel@archiver.kernel.org>; Wed, 25 Sep 2019 14:38:28 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
	by mail.kernel.org (Postfix) with ESMTP id 3111E2146E
	for <linux-kernel@archiver.kernel.org>; Wed, 25 Sep 2019 14:38:28 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S2437892AbfIYOi1 (ORCPT
        <rfc822;linux-kernel@archiver.kernel.org>);
        Wed, 25 Sep 2019 10:38:27 -0400
Received: from foss.arm.com ([217.140.110.172]:51116 "EHLO foss.arm.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S2391511AbfIYOi0 (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 25 Sep 2019 10:38:26 -0400
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 B030E28;
        Wed, 25 Sep 2019 07:38:25 -0700 (PDT)
Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.196.78])
        by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0C0C33F59C;
        Wed, 25 Sep 2019 07:38:22 -0700 (PDT)
Date:   Wed, 25 Sep 2019 15:38:20 +0100
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Jia He <justin.he@arm.com>
Cc:     Will Deacon <will@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
        James Morse <james.morse@arm.com>,
        Marc Zyngier <maz@kernel.org>,
        Matthew Wilcox <willy@infradead.org>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, Suzuki Poulose <Suzuki.Poulose@arm.com>,
        Punit Agrawal <punitagrawal@gmail.com>,
        Anshuman Khandual <anshuman.khandual@arm.com>,
        Alex Van Brunt <avanbrunt@nvidia.com>,
        Robin Murphy <robin.murphy@arm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        =?iso-8859-1?B?Suly9G1l?= Glisse <jglisse@redhat.com>,
        Ralph Campbell <rcampbell@nvidia.com>, hejianet@gmail.com,
        Kaly Xin <Kaly.Xin@arm.com>, nd@arm.com
Subject: Re: [PATCH v9 1/3] arm64: cpufeature: introduce helper
 cpu_has_hw_af()
Message-ID: <20190925143820.GF7042@arrakis.emea.arm.com>
References: <20190925025922.176362-1-justin.he@arm.com>
 <20190925025922.176362-2-justin.he@arm.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20190925025922.176362-2-justin.he@arm.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, Sep 25, 2019 at 10:59:20AM +0800, Jia He wrote:
> We unconditionally set the HW_AFDBM capability and only enable it on
> CPUs which really have the feature. But sometimes we need to know
> whether this cpu has the capability of HW AF. So decouple AF from
> DBM by new helper cpu_has_hw_af().
> 
> Signed-off-by: Jia He <justin.he@arm.com>
> Suggested-by: Suzuki Poulose <Suzuki.Poulose@arm.com>
> Reported-by: kbuild test robot <lkp@intel.com>

Which bug did the kbuild robot actually report? I'd drop this line.

-- 
Catalin