Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp955718pxb; Wed, 3 Mar 2021 22:25:47 -0800 (PST) X-Google-Smtp-Source: ABdhPJwQ+edQckcpFmpbvLg5I0f8wS+RbgcASJevaIu/1Wsq96cirQpT3bBHOiG5W3G1tkrSlUbt X-Received: by 2002:a17:906:5295:: with SMTP id c21mr2532070ejm.67.1614839147256; Wed, 03 Mar 2021 22:25:47 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1614839147; cv=none; d=google.com; s=arc-20160816; b=aq2rUbj9v6FD3DDM/D8eWjXs+1vq+9CIyvmcB3oNoLNmrb12hQlYoqzMlUOCuDQrlm 4DVErvlkm9Ci83jtyi7I9Lyt0Cpg3ywMYtVdBnczg34+BH6db6a+BhLmzDhtn/A0RzAh QOZrWW3Igm5lZeVN1D+TLb1R+l9dOimdSSUKYMMjHzVBqJE6B9N0InHdIuoQZrOmq44Z CdUlj294nSKMkWXwbhSRtwjPu6J6g51+i8VjIS9bcCjXK74NrxOijcxMvYQNYRayUIhY mGeLwP8X64rX2FdFAoDO4asHsQ6b2OAetXbEyJ+gFXfcCRKSSR6fWIo3hI+ihthztjwF 8VRQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject:dkim-signature; bh=7L0BOqRe+13aQ5nTzLZo2I22iHREvV6oqm1AT8L/cvg=; b=obK00J5Pku8lZeof0CxCvP1iGzoGmteHB74/AdPCkbdlNXngf1wu3oOSHJKUlfwOUM GhX7omH8HIYHFez7OrzUvh/qHahuXkFTlLy713SUGZFiDiWSHXCihjSvcXfDLhARVAGt gK7ShMGdbd6vUXeuRnktX1wSPZuXFnzxTNmQ/iGNPY8kJKoRyqtmOGF7NcCnCqV5ccET uJbu9rTUNHXOB0kg9qHcyFg7qGWnARCKIHev8M2YuyTaFfISEtL07udlKSCtmtMpoPfP 1O59IE3CSUFUK+dWTxoL/7lj0kd8mL8u+MtSVefqAVCZz7gJycEAkJ8mpyp5R/snRrbK zFGA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@monstr-eu.20150623.gappssmtp.com header.s=20150623 header.b=u2zl81Aq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id i13si6668727edq.522.2021.03.03.22.25.24; Wed, 03 Mar 2021 22:25:47 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@monstr-eu.20150623.gappssmtp.com header.s=20150623 header.b=u2zl81Aq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1577843AbhCBPyD (ORCPT + 99 others); Tue, 2 Mar 2021 10:54:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1447357AbhCBN3X (ORCPT ); Tue, 2 Mar 2021 08:29:23 -0500 Received: from mail-ed1-x536.google.com (mail-ed1-x536.google.com [IPv6:2a00:1450:4864:20::536]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 44656C061A2B for ; Tue, 2 Mar 2021 05:28:43 -0800 (PST) Received: by mail-ed1-x536.google.com with SMTP id b7so11631178edz.8 for ; Tue, 02 Mar 2021 05:28:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monstr-eu.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=7L0BOqRe+13aQ5nTzLZo2I22iHREvV6oqm1AT8L/cvg=; b=u2zl81Aqw9FwWu6GkxsEZfGirRBF1s1UixG5XuA9aLQM7dKs01Fn/NkJe/eIid1VtP 1V9c8DODkxMj5etjID8h0ONvUJeIaGemxIs10flIOS8pLlNLBojoaVz/EOmQhKSt5iUf sNCQvsv2h9AKyUO+DRPWzlG+29xnjgnu0nIuoMPjeHEib4VC0Ad4OWHPQAYgGd+YhwMW 55uY9p9aJtSDw3y9mDmEkyuNl3PPJrX6TaB8zn/Z+Oco8un1umnRVGtVJ8bx1kqVAjed uGgDKKbJwOYeE57C0d9kOpKGFQ4WSTsbJISeOqU2wMZXyqsJc3IggB+xTzVzaIhWV4pN EZeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=7L0BOqRe+13aQ5nTzLZo2I22iHREvV6oqm1AT8L/cvg=; b=GWZwZWy9qmRRgjh+rzW9v6OqGakvCIXHjg0FskRdTYhz2OwySLJI72fhqmqWJsKn2u pyAmO7uTNJ6Y7pySygY6ivIQhkwKsPsHZrMlMYhGf9Y5Iu5mBBqp9NJxSBT3DDqKJQiz igNV6x12IWOGTALoz8qGhLyA9+RbsckLcxP/cPb9HY79VbQDjgTUUWhNygFYWU8rgrK5 3gplMfOrA9rWNFuAFLT+DwZ+LUQf+umBA0lc0Zj9QneB9lcUPqp9vQYx7qvc/yA+jvsI 0/FHckvBKpPjSlxv16pV0K0eHmWrCZwFd6LoQnSBnlbc+xgA5ydFOP5oPDTE/QXkYTIo AQdg== X-Gm-Message-State: AOAM532t0kfwicwKCO8ifg5UBSPYjY5nivxESNUMb/zUnb7xxQc6s3U9 jOZZCDZVTmiO3LfQuOKsLaTUeg== X-Received: by 2002:aa7:cf02:: with SMTP id a2mr18762312edy.59.1614691721960; Tue, 02 Mar 2021 05:28:41 -0800 (PST) Received: from ?IPv6:2a02:768:2307:40d6::f9e? ([2a02:768:2307:40d6::f9e]) by smtp.gmail.com with ESMTPSA id y16sm16268059ejk.43.2021.03.02.05.28.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 02 Mar 2021 05:28:41 -0800 (PST) Subject: Re: [PATCH v1] microblaze: tag highmem_setup() with __meminit To: David Hildenbrand , Oscar Salvador Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kernel test robot , Andrew Morton , Mike Rapoport , Thomas Gleixner , Arvind Sankar , Ira Weiny , Randy Dunlap , Anshuman Khandual References: <20210301114749.47914-1-david@redhat.com> <20210301221846.GA4744@localhost.localdomain> From: Michal Simek Message-ID: <2db45dcc-87a5-fe1c-c0e6-702edeedc246@monstr.eu> Date: Tue, 2 Mar 2021 14:28:40 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/2/21 10:04 AM, David Hildenbrand wrote: > On 01.03.21 23:18, Oscar Salvador wrote: >> On Mon, Mar 01, 2021 at 12:47:49PM +0100, David Hildenbrand wrote: >>> With commit a0cd7a7c4bc0 ("mm: simplify free_highmem_page() and >>> free_reserved_page()") the kernel test robot complains about a warning: >>> >>> WARNING: modpost: vmlinux.o(.text.unlikely+0x23ac): Section mismatch in >>>    reference from the function highmem_setup() to the function >>>    .meminit.text:memblock_is_reserved() >>> >>> This has been broken ever since microblaze added highmem support, >>> because memblock_is_reserved() was already tagged with "__init" back >>> then - >>> most probably the function always got inlined, so we never stumbled over >>> it. >> >> It might be good to point out that we need __meminit instead of __init >> because microblaze platform does not define CONFIG_ARCH_KEEP_MEMBLOCK, >> and __init_memblock fallsback to that. >> >> (I had to go and look as I was puzzled :-) ) >> >> Reviewed-by: Oscar Salvador > > Thanks! > > Whoever feels like picking this up (@Andrew?) can you add > > "We need __meminit because __init_memblock defaults to that without > CONFIG_ARCH_KEEP_MEMBLOCK" and __init_memblock is not used outside > memblock code. > Applied with this line added. Thanks, Michal -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Xilinx Microblaze Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs