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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, T_DKIMWL_WL_HIGH 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 955D3ECDFBB for ; Sat, 21 Jul 2018 00:26:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3C8042064D for ; Sat, 21 Jul 2018 00:26:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="KgT8m2sB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C8042064D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729837AbeGUBRJ (ORCPT ); Fri, 20 Jul 2018 21:17:09 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:53400 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728144AbeGUBRI (ORCPT ); Fri, 20 Jul 2018 21:17:08 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w6L0O4WQ108329; Sat, 21 Jul 2018 00:24:29 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=Rd4LetHpeqk1ii2hpzsETqPQnreKMoZe60/Jlcry1DM=; b=KgT8m2sBy8fAyGM9TnwkTSH1UyfFzLM/W69KCryiFBsFspKXsksC4kfYWmhvoRLirxj6 154I8bOwJ9TAZsyFz0pFmIsoMNa0NWLqrOAEaUcSQ4IQRbRZ5GSbj8XIg9Ep+2uV2A7v cVLxyLeo4wvvdJgX6Pecm4fbMxgvVRMaQrG4VnuBCDZbkEPnTv0ymy2akKH83SoDDP+R 3p68gusvU5I5PK4+znRMiP/HchVdoZChR0C2LELtzbu5V+4VfPO2LJsXYOknAYXTWmev 7djxl7rqMsHaLoiH6J41cLIyUt/Awo4CD55/KDXjAFPCvCag1mvoVogsjHt4i1xG7EdJ Aw== Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp2120.oracle.com with ESMTP id 2k9yjxd1ut-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 21 Jul 2018 00:24:28 +0000 Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id w6L0OSb3013338 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 21 Jul 2018 00:24:28 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w6L0OGOe005456; Sat, 21 Jul 2018 00:24:19 GMT Received: from [192.168.1.164] (/50.38.38.67) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 20 Jul 2018 17:24:15 -0700 Subject: Re: [PATCH v4 00/11] hugetlb: Factorize hugetlb architecture primitives To: Alex Ghiti , Michal Hocko Cc: linux@armlinux.org.uk, catalin.marinas@arm.com, will.deacon@arm.com, tony.luck@intel.com, fenghua.yu@intel.com, ralf@linux-mips.org, paul.burton@mips.com, jhogan@kernel.org, jejb@parisc-linux.org, deller@gmx.de, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, ysato@users.sourceforge.jp, dalias@libc.org, davem@davemloft.net, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, arnd@arndb.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, Naoya Horiguchi References: <20180705110716.3919-1-alex@ghiti.fr> <20180709141621.GD22297@dhcp22.suse.cz> <2173685f-7f85-7acb-4685-2383210c5fa2@ghiti.fr> From: Mike Kravetz Message-ID: <75195a7d-3d0f-4e55-92cc-4ad772683c75@oracle.com> Date: Fri, 20 Jul 2018 17:24:12 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <2173685f-7f85-7acb-4685-2383210c5fa2@ghiti.fr> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8960 signatures=668706 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=2 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=808 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1807210003 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/20/2018 11:37 AM, Alex Ghiti wrote: > Does anyone have any suggestion about those patches ? I only took a quick look. From the hugetlb perspective, I like the idea of moving routines to a common file. If any of the arch owners (or anyone else) agree, I can do a review of the series. -- Mike Kravetz > On 07/09/2018 02:16 PM, Michal Hocko wrote: >> [CC hugetlb guys - http://lkml.kernel.org/r/20180705110716.3919-1-alex@ghiti.fr] >> >> On Thu 05-07-18 11:07:05, Alexandre Ghiti wrote: >>> In order to reduce copy/paste of functions across architectures and then >>> make riscv hugetlb port (and future ports) simpler and smaller, this >>> patchset intends to factorize the numerous hugetlb primitives that are >>> defined across all the architectures. >>> >>> Except for prepare_hugepage_range, this patchset moves the versions that >>> are just pass-through to standard pte primitives into >>> asm-generic/hugetlb.h by using the same #ifdef semantic that can be >>> found in asm-generic/pgtable.h, i.e. __HAVE_ARCH_***. >>> >>> s390 architecture has not been tackled in this serie since it does not >>> use asm-generic/hugetlb.h at all. >>> powerpc could be factorized a bit more (cf huge_ptep_set_wrprotect). >>> >>> This patchset has been compiled on x86 only. >>> >>> Changelog: >>> >>> v4: >>> Fix powerpc build error due to misplacing of #include >>> outside of #ifdef CONFIG_HUGETLB_PAGE, as >>> pointed by Christophe Leroy. >>> >>> v1, v2, v3: >>> Same version, just problems with email provider and misuse of >>> --batch-size option of git send-email >>> >>> Alexandre Ghiti (11): >>> hugetlb: Harmonize hugetlb.h arch specific defines with pgtable.h >>> hugetlb: Introduce generic version of hugetlb_free_pgd_range >>> hugetlb: Introduce generic version of set_huge_pte_at >>> hugetlb: Introduce generic version of huge_ptep_get_and_clear >>> hugetlb: Introduce generic version of huge_ptep_clear_flush >>> hugetlb: Introduce generic version of huge_pte_none >>> hugetlb: Introduce generic version of huge_pte_wrprotect >>> hugetlb: Introduce generic version of prepare_hugepage_range >>> hugetlb: Introduce generic version of huge_ptep_set_wrprotect >>> hugetlb: Introduce generic version of huge_ptep_set_access_flags >>> hugetlb: Introduce generic version of huge_ptep_get >>> >>> arch/arm/include/asm/hugetlb-3level.h | 32 +--------- >>> arch/arm/include/asm/hugetlb.h | 33 +---------- >>> arch/arm64/include/asm/hugetlb.h | 39 +++--------- >>> arch/ia64/include/asm/hugetlb.h | 47 ++------------- >>> arch/mips/include/asm/hugetlb.h | 40 +++---------- >>> arch/parisc/include/asm/hugetlb.h | 33 +++-------- >>> arch/powerpc/include/asm/book3s/32/pgtable.h | 2 + >>> arch/powerpc/include/asm/book3s/64/pgtable.h | 1 + >>> arch/powerpc/include/asm/hugetlb.h | 43 ++------------ >>> arch/powerpc/include/asm/nohash/32/pgtable.h | 2 + >>> arch/powerpc/include/asm/nohash/64/pgtable.h | 1 + >>> arch/sh/include/asm/hugetlb.h | 54 ++--------------- >>> arch/sparc/include/asm/hugetlb.h | 40 +++---------- >>> arch/x86/include/asm/hugetlb.h | 72 +---------------------- >>> include/asm-generic/hugetlb.h | 88 +++++++++++++++++++++++++++- >>> 15 files changed, 143 insertions(+), 384 deletions(-) >>> >>> -- >>> 2.16.2 >