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=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 89D1DC433E2 for ; Sat, 29 Aug 2020 00:01:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5DA30207DA for ; Sat, 29 Aug 2020 00:01:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="QyfuHIds" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727022AbgH2ABt (ORCPT ); Fri, 28 Aug 2020 20:01:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726775AbgH2ABs (ORCPT ); Fri, 28 Aug 2020 20:01:48 -0400 Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F80FC061264; Fri, 28 Aug 2020 17:01:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=GA4T/SBE6dahx5pqWnJ6oAB3Y/3yZkPaI5G9WmLDnik=; b=QyfuHIdsrcprTTZcREQL4lV9Go QpOv2Qxj6WTAoVnZVCnmgT/D7HJWsiSrpZt4/InMRxKs3V4AaEZj3fToLQhmzZ5Xyvp0X+3Oz7s4C ZPMn+qr3TtMEy/uJkF36jsMQKxzvNAoBbyavMO1I6Vgns02eWhMSfoIAaBj1CA0S+FYG6pKeC+Pw5 I5bImAWuWs8R/uFPKdBs6cQiHR73Ck8x1IOKCfaLapKbMCMNwXFNhrkF2/5FzP+G43P7jC2oPN5ok ehr9em5B7j0dTSkTReJIZL1g65gyuEf+FiYxnVqMXgDcTHezNglRc7eBSlQnwitMO90jkrw3swCft +VKydvxw==; Received: from [2601:1c0:6280:3f0::19c2] (helo=smtpauth.infradead.org) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kBoJV-00077S-Me; Sat, 29 Aug 2020 00:01:46 +0000 From: Randy Dunlap To: linux-kernel@vger.kernel.org Cc: Randy Dunlap , kernel test robot , David Rientjes , linux-mm@kvack.org, Andrew Morton , Mike Rapoport , Michal Simek , Michal Simek , Tony Luck , Fenghua Yu , linux-ia64@vger.kernel.org Subject: [ALTERNATE PATCH] memblock: fix min_low_pfn/max_low_pfn build errors Date: Fri, 28 Aug 2020 17:01:39 -0700 Message-Id: <20200829000139.2513-1-rdunlap@infradead.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Export min_low_pfn & max_low_pfn in mm/memblock.c to fix build errors on arch/microblaze/ and arch/ia64/: (e.g.) ERROR: "max_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined! ERROR: "min_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined! ERROR: "max_low_pfn" [drivers/mtd/spi-nor/spi-nor.ko] undefined! ERROR: "min_low_pfn" [drivers/mtd/spi-nor/spi-nor.ko] undefined! ERROR: "min_low_pfn" [drivers/mtd/nand/raw/nand.ko] undefined! ERROR: "max_low_pfn" [drivers/mtd/nand/raw/nand.ko] undefined! ERROR: "max_low_pfn" [drivers/rapidio/devices/rio_mport_cdev.ko] undefined! ERROR: "min_low_pfn" [drivers/rapidio/devices/rio_mport_cdev.ko] undefined! ERROR: "min_low_pfn" [drivers/hwtracing/intel_th/intel_th_msu.ko] undefined! ERROR: "max_low_pfn" [drivers/hwtracing/intel_th/intel_th_msu.ko] undefined! ERROR: "min_low_pfn" [drivers/crypto/cavium/nitrox/n5pf.ko] undefined! ERROR: "max_low_pfn" [drivers/crypto/cavium/nitrox/n5pf.ko] undefined! ERROR: "max_low_pfn" [drivers/md/dm-integrity.ko] undefined! ERROR: "min_low_pfn" [drivers/md/dm-integrity.ko] undefined! ERROR: "max_low_pfn" [crypto/tcrypt.ko] undefined! ERROR: "min_low_pfn" [crypto/tcrypt.ko] undefined! In both arches, these variables are referenced in arch/$ARCH/include/asm/page.h. Mike had/has an alternate patch for Microblaze: https://lore.kernel.org/lkml/20200630111519.GA1951986@linux.ibm.com/ David suggested just exporting min_low_pfn & max_low_pfn in mm/memblock.c: https://lore.kernel.org/lkml/alpine.DEB.2.22.394.2006291911220.1118534@chino.kir.corp.google.com/ Reported-by: kernel test robot Suggested-by: David Rientjes Signed-off-by: Randy Dunlap Cc: linux-mm@kvack.org Cc: Andrew Morton Cc: David Rientjes Cc: Mike Rapoport Cc: Michal Simek Cc: Michal Simek Cc: Tony Luck Cc: Fenghua Yu Cc: linux-ia64@vger.kernel.org --- mm/memblock.c | 2 ++ 1 file changed, 2 insertions(+) --- linux-next-20200825.orig/mm/memblock.c +++ linux-next-20200825/mm/memblock.c @@ -99,6 +99,8 @@ EXPORT_SYMBOL(contig_page_data); unsigned long max_low_pfn; unsigned long min_low_pfn; +EXPORT_SYMBOL(min_low_pfn); +EXPORT_SYMBOL(max_low_pfn); unsigned long max_pfn; unsigned long long max_possible_pfn; From mboxrd@z Thu Jan 1 00:00:00 1970 From: Randy Dunlap Date: Sat, 29 Aug 2020 00:01:39 +0000 Subject: [ALTERNATE PATCH] memblock: fix min_low_pfn/max_low_pfn build errors Message-Id: <20200829000139.2513-1-rdunlap@infradead.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-kernel@vger.kernel.org Cc: Randy Dunlap , kernel test robot , David Rientjes , linux-mm@kvack.org, Andrew Morton , Mike Rapoport , Michal Simek , Michal Simek , Tony Luck , Fenghua Yu , linux-ia64@vger.kernel.org Export min_low_pfn & max_low_pfn in mm/memblock.c to fix build errors on arch/microblaze/ and arch/ia64/: (e.g.) ERROR: "max_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined! ERROR: "min_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined! ERROR: "max_low_pfn" [drivers/mtd/spi-nor/spi-nor.ko] undefined! ERROR: "min_low_pfn" [drivers/mtd/spi-nor/spi-nor.ko] undefined! ERROR: "min_low_pfn" [drivers/mtd/nand/raw/nand.ko] undefined! ERROR: "max_low_pfn" [drivers/mtd/nand/raw/nand.ko] undefined! ERROR: "max_low_pfn" [drivers/rapidio/devices/rio_mport_cdev.ko] undefined! ERROR: "min_low_pfn" [drivers/rapidio/devices/rio_mport_cdev.ko] undefined! ERROR: "min_low_pfn" [drivers/hwtracing/intel_th/intel_th_msu.ko] undefined! ERROR: "max_low_pfn" [drivers/hwtracing/intel_th/intel_th_msu.ko] undefined! ERROR: "min_low_pfn" [drivers/crypto/cavium/nitrox/n5pf.ko] undefined! ERROR: "max_low_pfn" [drivers/crypto/cavium/nitrox/n5pf.ko] undefined! ERROR: "max_low_pfn" [drivers/md/dm-integrity.ko] undefined! ERROR: "min_low_pfn" [drivers/md/dm-integrity.ko] undefined! ERROR: "max_low_pfn" [crypto/tcrypt.ko] undefined! ERROR: "min_low_pfn" [crypto/tcrypt.ko] undefined! In both arches, these variables are referenced in arch/$ARCH/include/asm/page.h. Mike had/has an alternate patch for Microblaze: https://lore.kernel.org/lkml/20200630111519.GA1951986@linux.ibm.com/ David suggested just exporting min_low_pfn & max_low_pfn in mm/memblock.c: https://lore.kernel.org/lkml/alpine.DEB.2.22.394.2006291911220.1118534@chino.kir.corp.google.com/ Reported-by: kernel test robot Suggested-by: David Rientjes Signed-off-by: Randy Dunlap Cc: linux-mm@kvack.org Cc: Andrew Morton Cc: David Rientjes Cc: Mike Rapoport Cc: Michal Simek Cc: Michal Simek Cc: Tony Luck Cc: Fenghua Yu Cc: linux-ia64@vger.kernel.org --- mm/memblock.c | 2 ++ 1 file changed, 2 insertions(+) --- linux-next-20200825.orig/mm/memblock.c +++ linux-next-20200825/mm/memblock.c @@ -99,6 +99,8 @@ EXPORT_SYMBOL(contig_page_data); unsigned long max_low_pfn; unsigned long min_low_pfn; +EXPORT_SYMBOL(min_low_pfn); +EXPORT_SYMBOL(max_low_pfn); unsigned long max_pfn; unsigned long long max_possible_pfn;