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=-8.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,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 2DFC1C06508 for ; Mon, 1 Jul 2019 01:59:51 +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 02F87208CA for ; Mon, 1 Jul 2019 01:59:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Ivh1sKSo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 02F87208CA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=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:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Cc:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=3bnwSz2f6MB46qPjR+gnvyecQ6DapCxT3+xpZjYwSjY=; b=Ivh1sKSomDZ/z84xxdUrZk/Ar+ LXr9fp2sCNEteJfvSFNvcLD7+HFpTWNf6VAy24pNl+JG4wibB+LJ6lv97hBGCK3Op7Y7q0Hxfecss vTNAZeouQM+EBN7x64l9o5LCB+mUnRvlSzi8+L+hzXNvgzVzLUV/A/1XNIpB+SsbTDaupjOX8povc 9ZRX197vIbxyP3AXdV6DuK2mv7uJKqROpWggl5g/js38WreVElB2tYxuUqIfgqDjeaneN6oZTPlrF OIgWu5iKQ0BSCmWHuttKcoRzfV41R3PoByK0YJjVnMkH/VLXWpFK2nQ6yebKkDJpyDvUNLKQ1oekC TWGafEJg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hhlbf-0006UL-DV; Mon, 01 Jul 2019 01:59:47 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hhlau-00064M-JH; Mon, 01 Jul 2019 01:59:02 +0000 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 1CFB8B58BBD1B7700B70; Mon, 1 Jul 2019 09:58:50 +0800 (CST) Received: from [127.0.0.1] (10.177.223.23) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.439.0; Mon, 1 Jul 2019 09:58:45 +0800 Subject: Re: [PATCH REBASE v2 1/2] x86, arm64: Move ARCH_WANT_HUGE_PMD_SHARE config in arch/Kconfig To: Alexandre Ghiti , Christoph Hellwig , Mike Kravetz , Catalin Marinas , Will Deacon , Palmer Dabbelt , Albert Ou , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , , , , References: <20190526125038.8419-1-alex@ghiti.fr> <20190526125038.8419-2-alex@ghiti.fr> From: Hanjun Guo Message-ID: <7bfe451b-3f6b-2a26-5d43-692dde891cc0@huawei.com> Date: Mon, 1 Jul 2019 09:58:32 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <20190526125038.8419-2-alex@ghiti.fr> Content-Language: en-US X-Originating-IP: [10.177.223.23] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190630_185900_868492_CD4B82C1 X-CRM114-Status: GOOD ( 13.65 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On 2019/5/26 20:50, Alexandre Ghiti wrote: > ARCH_WANT_HUGE_PMD_SHARE config was declared in both architectures: > move this declaration in arch/Kconfig and make those architectures > select it. > > Signed-off-by: Alexandre Ghiti > Reviewed-by: Palmer Dabbelt > --- > arch/Kconfig | 3 +++ > arch/arm64/Kconfig | 2 +- > arch/x86/Kconfig | 4 +--- > 3 files changed, 5 insertions(+), 4 deletions(-) > > diff --git a/arch/Kconfig b/arch/Kconfig > index c47b328eada0..d2f212dc8e72 100644 > --- a/arch/Kconfig > +++ b/arch/Kconfig > @@ -577,6 +577,9 @@ config HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD > config HAVE_ARCH_HUGE_VMAP > bool > > +config ARCH_WANT_HUGE_PMD_SHARE > + bool > + > config HAVE_ARCH_SOFT_DIRTY > bool > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 4780eb7af842..dee7f750c42f 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -70,6 +70,7 @@ config ARM64 > select ARCH_SUPPORTS_NUMA_BALANCING > select ARCH_WANT_COMPAT_IPC_PARSE_VERSION > select ARCH_WANT_FRAME_POINTERS > + select ARCH_WANT_HUGE_PMD_SHARE if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36) > select ARCH_HAS_UBSAN_SANITIZE_ALL > select ARM_AMBA > select ARM_ARCH_TIMER > @@ -884,7 +885,6 @@ config SYS_SUPPORTS_HUGETLBFS > def_bool y > > config ARCH_WANT_HUGE_PMD_SHARE > - def_bool y if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36) Why not remove config ARCH_WANT_HUGE_PMD_SHARE as well? Did I miss something? Thanks Hanjun _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv