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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9D442C433F5 for ; Tue, 30 Nov 2021 06:22:52 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4J3BwV5YhLz3cQg for ; Tue, 30 Nov 2021 17:22:50 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=huawei.com (client-ip=45.249.212.188; helo=szxga02-in.huawei.com; envelope-from=wangkefeng.wang@huawei.com; receiver=) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4J3Bvw6kjGz303F for ; Tue, 30 Nov 2021 17:22:17 +1100 (AEDT) Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4J3Bvb1MkNzbjFD; Tue, 30 Nov 2021 14:22:03 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500020.china.huawei.com (7.185.36.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Tue, 30 Nov 2021 14:22:09 +0800 Received: from [10.174.177.243] (10.174.177.243) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2308.20; Tue, 30 Nov 2021 14:22:08 +0800 Message-ID: <35e4a4cb-29f2-2de6-6350-1358d4968a54@huawei.com> Date: Tue, 30 Nov 2021 14:22:07 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [PATCH RFC 1/4] mm: percpu: Generalize percpu related config Content-Language: en-US To: Dennis Zhou References: <20211121093557.139034-1-wangkefeng.wang@huawei.com> <20211121093557.139034-2-wangkefeng.wang@huawei.com> From: Kefeng Wang In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggeme710-chm.china.huawei.com (10.1.199.106) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, dave.hansen@linux.intel.com, linux-mips@vger.kernel.org, linux-mm@kvack.org, paulus@samba.org, hpa@zytor.com, sparclinux@vger.kernel.org, cl@linux.com, will@kernel.org, linux-riscv@lists.infradead.org, x86@kernel.org, mingo@redhat.com, catalin.marinas@arm.com, aou@eecs.berkeley.edu, bp@alien8.de, paul.walmsley@sifive.com, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, tsbogend@alpha.franken.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, palmer@dabbelt.com, tj@kernel.org, akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org, davem@davemloft.net Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 2021/11/30 6:36, Dennis Zhou wrote: > Hello, > > On Sun, Nov 21, 2021 at 05:35:54PM +0800, Kefeng Wang wrote: >> The HAVE_SETUP_PER_CPU_AREA/NEED_PER_CPU_EMBED_FIRST_CHUNK/ >> NEED_PER_CPU_PAGE_FIRST_CHUNK/USE_PERCPU_NUMA_NODE_ID configs, >> which has duplicate definitions on platforms that subscribe it. >> >> Move them into mm, drop these redundant definitions and instead >> just select it on applicable platforms. >> >> Signed-off-by: Kefeng Wang >> --- >> arch/arm64/Kconfig | 20 ++++---------------- >> arch/ia64/Kconfig | 9 ++------- >> arch/mips/Kconfig | 10 ++-------- >> arch/powerpc/Kconfig | 17 ++++------------- >> arch/riscv/Kconfig | 10 ++-------- >> arch/sparc/Kconfig | 12 +++--------- >> arch/x86/Kconfig | 17 ++++------------- >> mm/Kconfig | 12 ++++++++++++ >> 8 files changed, 33 insertions(+), 74 deletions(-) ... >> > This makes sense and looks good. A series like this is a little tricky. > The latter patches change the contracts so it'd be easiest to run it > through my tree. We'd need to get explicit acks from each arch > maintainer to make sure they're fine with this. Got it, I will resend without RFC and hope to get ACKs from related arch maintainers. > > Thanks, > Dennis > .