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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 48638C64EC7 for ; Wed, 1 Mar 2023 13:04:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230007AbjCANEJ (ORCPT ); Wed, 1 Mar 2023 08:04:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230021AbjCAND4 (ORCPT ); Wed, 1 Mar 2023 08:03:56 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A82194108D; Wed, 1 Mar 2023 05:03:49 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id 634FF68C7B; Wed, 1 Mar 2023 14:03:46 +0100 (CET) Date: Wed, 1 Mar 2023 14:03:45 +0100 From: Christoph Hellwig To: Jiaxun Yang Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, tsbogend@alpha.franken.de, mpe@ellerman.id.au, paul.walmsley@sifive.com, palmer@dabbelt.com, robh+dt@kernel.org, hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com, linux-riscv@lists.infradead.org Subject: Re: [PATCH v2 3/5] dma-mapping: Provide CONFIG_ARCH_DMA_DEFAULT_COHERENT Message-ID: <20230301130345.GB467@lst.de> References: <20230223113644.23356-1-jiaxun.yang@flygoat.com> <20230223113644.23356-4-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20230223113644.23356-4-jiaxun.yang@flygoat.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org > +config ARCH_DMA_DEFAULT_COHERENT > + bool Please add a comment here explaining when an architecture should ѕelect this symbol. 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 63B92C64ED6 for ; Wed, 1 Mar 2023 13:08:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; 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=isrzQ3OiXCO08zIN9bDdusHedNFbvcpX8Kifr5wG0as=; b=udhzgMz/nhW5Op Ei3/oXFNxZMRSzPd3A5ctcdNPh+vm7rC3DFSk9jfOW9q2vlm278QpM6QRcrag8dFpgWmxX8Va4Jf2 OvVjmdtueY8NTCTMIIkpD7Gn8h2VEVO5sx+Pql9+XVx4xCDfIM0MB/Hg7P1FbK38dPyzA1gQ4x5s6 FKqBRiIbgK2sNGYCZQItDdg4UqI5z0XMnbTnoyY6j9/ecpjNdNrM1PoZ7ERHaTswOVUkIQ68KnW92 M1M99ZwW86ety0CFWURaBrdMx4MxLcuCWTOHoYoEHY9IWo/YYuKi/3a0vIMbs+n4hCsK+XfxZFlPl rz8pimod1MAVkw5r2Pjw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pXMBy-00GJ0u-AC; Wed, 01 Mar 2023 13:08:22 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pXM7Z-00GCkd-9F for linux-riscv@lists.infradead.org; Wed, 01 Mar 2023 13:03:50 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 634FF68C7B; Wed, 1 Mar 2023 14:03:46 +0100 (CET) Date: Wed, 1 Mar 2023 14:03:45 +0100 From: Christoph Hellwig To: Jiaxun Yang Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, tsbogend@alpha.franken.de, mpe@ellerman.id.au, paul.walmsley@sifive.com, palmer@dabbelt.com, robh+dt@kernel.org, hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com, linux-riscv@lists.infradead.org Subject: Re: [PATCH v2 3/5] dma-mapping: Provide CONFIG_ARCH_DMA_DEFAULT_COHERENT Message-ID: <20230301130345.GB467@lst.de> References: <20230223113644.23356-1-jiaxun.yang@flygoat.com> <20230223113644.23356-4-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230223113644.23356-4-jiaxun.yang@flygoat.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230301_050349_490690_2B6F386A X-CRM114-Status: UNSURE ( 7.59 ) X-CRM114-Notice: Please train this message. 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="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org PiArY29uZmlnIEFSQ0hfRE1BX0RFRkFVTFRfQ09IRVJFTlQKPiArCWJvb2wKClBsZWFzZSBhZGQg YSBjb21tZW50IGhlcmUgZXhwbGFpbmluZyB3aGVuIGFuIGFyY2hpdGVjdHVyZSBzaG91bGQK0ZVl bGVjdCB0aGlzIHN5bWJvbC4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmxpbnV4LXJpc2N2IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZy YWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGlu dXgtcmlzY3YK 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 1DA33C64ED6 for ; Wed, 1 Mar 2023 13:04:29 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4PRZFR2jRyz3cgV for ; Thu, 2 Mar 2023 00:04:27 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=) Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 4PRZDk4J66z3ch2 for ; Thu, 2 Mar 2023 00:03:50 +1100 (AEDT) Received: by verein.lst.de (Postfix, from userid 2407) id 634FF68C7B; Wed, 1 Mar 2023 14:03:46 +0100 (CET) Date: Wed, 1 Mar 2023 14:03:45 +0100 From: Christoph Hellwig To: Jiaxun Yang Subject: Re: [PATCH v2 3/5] dma-mapping: Provide CONFIG_ARCH_DMA_DEFAULT_COHERENT Message-ID: <20230301130345.GB467@lst.de> References: <20230223113644.23356-1-jiaxun.yang@flygoat.com> <20230223113644.23356-4-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20230223113644.23356-4-jiaxun.yang@flygoat.com> User-Agent: Mutt/1.5.17 (2007-11-01) 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: tsbogend@alpha.franken.de, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, palmer@dabbelt.com, paul.walmsley@sifive.com, robin.murphy@arm.com, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, hch@lst.de, m.szyprowski@samsung.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" > +config ARCH_DMA_DEFAULT_COHERENT > + bool Please add a comment here explaining when an architecture should ѕelect this symbol.