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=-3.8 required=3.0 tests=BAYES_00,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 69DAEC433E0 for ; Thu, 4 Mar 2021 13:46:42 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 0881564EEC for ; Thu, 4 Mar 2021 13:46:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0881564EEC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc: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=d0uOZkksPdiwcVFPxxUtJBVIyz2g7eFA6KA1RE0UFjc=; b=UuBUyoar1or4IDyspe1EqDPUa SD1WeFw+W9NPHHq49Kr76RyO+M/fbXydxIqGnXY31SB3LjINrH/fTe86jtpdaGyVw6neD1CLkKgrW qeh2bdf//QLABv4fq7HDozRPQ+F3AN8QvjA9pm/ADCmLBiTx6NQQpXQuQGER8PbDF6S3c1o5AL5e5 ogiLygNlNbBM5HrFdc/lPQFxbnEbuCt9aJP5pz2tjl2iKkZMaYl238R/xNv60V1dVhGBg2IF+EyF3 0gHyLKcbV1Pz5/WqLBmJojOy67T5nSvavv+z6sanQ7kM0axNJ8fdHZKkCgdelRllB9Eywo7sulPTw 1uzmrq9Rg==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lHoJ7-008nCD-RA; Thu, 04 Mar 2021 13:46:25 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lHoIp-008n98-UY; Thu, 04 Mar 2021 13:46:13 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id ED35164F45; Thu, 4 Mar 2021 13:46:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614865564; bh=uStLyUhWNhdDMx2ZDs6rM4kw9fBh35DMg6kTC+SrY7s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZRUezqyN1ysi7HtF16CF7nuZo6UsGoPaDbTYbYgpGpbVmqzDVHBFKpIvcZ1q65qSM ZM8HUea5+V2FKGsb9fHWDtkf+JfNN9cQaeEfel2jc+XfPUE9crlQNkw8chIREWQXz2 w1RPFbmaDCrgE9/gX4eJ8aJboJhnH8N896kft6YE= Date: Thu, 4 Mar 2021 14:46:02 +0100 From: Greg KH To: Jing Xiangfeng Cc: catalin.marinas@arm.com, will@kernel.org, akpm@linux-foundation.org, nsaenzjulienne@suse.de, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, rppt@kernel.org, lorenzo.pieralisi@arm.com, guohanjun@huawei.com, sudeep.holla@arm.com, rjw@rjwysocki.net, lenb@kernel.org, song.bao.hua@hisilicon.com, ardb@kernel.org, anshuman.khandual@arm.com, bhelgaas@google.com, guro@fb.com, robh+dt@kernel.org, stable@vger.kernel.org, linux-arm-kernel@lists.infradead.org, frowand.list@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, wangkefeng.wang@huawei.com Subject: Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA Message-ID: References: <20210303073319.2215839-1-jingxiangfeng@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210303073319.2215839-1-jingxiangfeng@huawei.com> X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 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+linux-riscv=archiver.kernel.org@lists.infradead.org On Wed, Mar 03, 2021 at 03:33:12PM +0800, Jing Xiangfeng wrote: > Using two distinct DMA zones turned out to be problematic. Here's an > attempt go back to a saner default. What problem does this solve? How does this fit into the stable kernel rules? thanks, greg k-h _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv