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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 5ED4AC38A24 for ; Thu, 7 May 2020 10:09:41 +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 241482073A for ; Thu, 7 May 2020 10:09:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="f+4eIPPi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 241482073A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.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-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=bpBRtLDfIMvZs39j23UMlE5ZQItLCF7Beq8LIJ/F7jo=; b=f+4eIPPiqMgMg9 wouUEAUMmC2V8lF68t6RHe2kQC9f4kLZQe2G43c69znlytu1/9I8AgHVni4tB3qhC0ow41br8QV+V TJPQ8ev1L/lmRPvabyq2YR7YCtU6/MgUrVnzuM9e7i475/o7VFep/8NBtvI6BC0nnsGCJ0GzfbfIK WQtU6xJTJes0eYU8PGLiC52HcPkk80Z3kGMA23Y7AoQWgHxNPoam9KoUD1zB1Xt3szmHU+hI438YT fOnmqT0HJp8yqKKfrR6ZNFI8j9jdjNbHMwFSWBJgyWhPOjw0+IayftWSSYDxYE7YkLrX3Xba+I7jL pfcPCj1xrtIM3V+6A61w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWdTI-0003RY-K2; Thu, 07 May 2020 10:09:40 +0000 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWdTG-0003R3-6d for linux-arm-kernel@lists.infradead.org; Thu, 07 May 2020 10:09:39 +0000 Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 047A1Xmb110478; Thu, 7 May 2020 06:09:28 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 30s4gwxe0p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 07 May 2020 06:09:28 -0400 Received: from m0187473.ppops.net (m0187473.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 047A1kwi110956; Thu, 7 May 2020 06:09:27 -0400 Received: from ppma01fra.de.ibm.com (46.49.7a9f.ip4.static.sl-reverse.com [159.122.73.70]) by mx0a-001b2d01.pphosted.com with ESMTP id 30s4gwxdun-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 07 May 2020 06:09:27 -0400 Received: from pps.filterd (ppma01fra.de.ibm.com [127.0.0.1]) by ppma01fra.de.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 047A5GIc010683; Thu, 7 May 2020 10:09:15 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma01fra.de.ibm.com with ESMTP id 30s0g5chgt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 07 May 2020 10:09:15 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 047A9D8u64159964 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 7 May 2020 10:09:13 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9F4124C058; Thu, 7 May 2020 10:09:13 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EAB0C4C040; Thu, 7 May 2020 10:09:12 +0000 (GMT) Received: from linux.ibm.com (unknown [9.148.201.211]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Thu, 7 May 2020 10:09:12 +0000 (GMT) Date: Thu, 7 May 2020 13:09:11 +0300 From: Mike Rapoport To: Russell King - ARM Linux admin Subject: Re: [PATCH 0/2] Allow either FLATMEM or SPARSEMEM on the multiplatform build Message-ID: <20200507100911.GD683243@linux.ibm.com> References: <20200506235009.25023-1-f.fainelli@gmail.com> <20200507081409.GQ1551@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200507081409.GQ1551@shell.armlinux.org.uk> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.676 definitions=2020-05-07_06:2020-05-05, 2020-05-07 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 mlxlogscore=999 clxscore=1015 bulkscore=0 mlxscore=0 priorityscore=1501 malwarescore=0 phishscore=0 spamscore=0 impostorscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2005070078 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200507_030938_246343_52D80BFB X-CRM114-Status: GOOD ( 17.68 ) 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: sboyd@kernel.org, opendmb@gmail.com, Florian Fainelli , Arnd Bergmann , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Russell, On Thu, May 07, 2020 at 09:14:09AM +0100, Russell King - ARM Linux admin wrote: > On Wed, May 06, 2020 at 04:50:07PM -0700, Florian Fainelli wrote: > > Hi all, > > > > This patch series somehow got lost back in 2015, and while looking at > > the various patches that we are carrying in our BRCMSTB downstream > > kernel those two patches should have made it upstream. > > I don't believe it's a good idea for multiplatform. > > If you have a platform that relies on sparsemem within the multiplatform > family, and you select flatmem, how would it boot? > > Sparsemem can support flatmem layouts, but flatmem can't support > sparsemem layouts. > > So, allowing flatmem seems to go against the underlying principle of > multiplatform support. Currently neither of multiplafrom builds has SPARSEMEM enabled, so unless I misread theses patches, they actually allow enabling SPARSEMEM in menuconfig for custom builds based on a multiplatform config. > -- > RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ > FTTC broadband for 0.8mile line in suburbia: sync at 10.2Mbps down 587kbps up -- Sincerely yours, Mike. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel