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 07086C46CD2 for ; Fri, 22 Dec 2023 04:14:46 +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=WLw7J7sxwfCEjdQ686TqBqsh4j+KBIMBPR0EAtjnqSY=; b=m1j0AnI/4QoFGC GDIOC7G1Pc5rtqczqYdHyi5bQsRtj5wdXu86iVjn0xGtAorKWhb0vRZYcoyYM9/L11zIHir6+qevf EU3blM3wuQZO+/KXed9wAaPAiv04l+CptPm20YwWBrqFre4YIzV/pSbuFKD1fPsPnecVBqEO/vg1b gtHeKj72NhjKpm0PHYqDlB9JMJI2Qed091JgRLqLNKKYtXtnlq0oBa/GOO6AEPDbhNq9VGSfGo3S6 P1hIQHQRxEoyO3j0HmKjHjeIJ73KBqBRgO5hUhrZaMcm7UGMZRayxXQit7yQXsr6T5KTwJw8ojopV CpgaEeMDrXqvDRW3+DFw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rGWvm-004ogl-2y; Fri, 22 Dec 2023 04:14:38 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rGWvi-004ogO-2f for linux-riscv@lists.infradead.org; Fri, 22 Dec 2023 04:14:36 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 6048B68AFE; Fri, 22 Dec 2023 05:14:28 +0100 (CET) Date: Fri, 22 Dec 2023 05:14:28 +0100 From: Christoph Hellwig To: Jiaxun Yang Cc: Maxim Kochetkov , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, robh@kernel.org, mpe@ellerman.id.au, aou@eecs.berkeley.edu, palmer@dabbelt.com, paul.walmsley@sifive.com, Conor Dooley , hch@lst.de Subject: Re: [PATCH 1/1] riscv: set ARCH_DMA_DEFAULT_COHERENT if RISCV_DMA_NONCOHERENT is not set Message-ID: <20231222041428.GA2803@lst.de> References: <20231221185152.327231-1-fido_max@inbox.ru> <20231221-discount-decade-e306e5878c46@spud> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: 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-20231221_201435_016976_08B72CC6 X-CRM114-Status: GOOD ( 14.18 ) 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 T24gVGh1LCBEZWMgMjEsIDIwMjMgYXQgMTA6Mjc6MzNQTSArMDAwMCwgSmlheHVuIFlhbmcgd3Jv dGU6Cj4KPgo+IOWcqCAyMDIzLzEyLzIxIDIwOjI5LCBDb25vciBEb29sZXkg5YaZ6YGTOgo+PiAr IENocmlzdG9waAo+Pgo+PiBJIGRvbid0IHRoaW5rIHRoaXMgcGF0Y2ggaXMgY29ycmVjdC4gUmVn YXJkbGVzcyBvZiB3aGV0aGVyIHdlIHN1cHBvcnQKPj4gY2FjaGUgbWFuYWdlbWVudCBvcGVyYXRp b25zLCBETUEgaXMgYXNzdW1lZCB0byBiZSBjb2hlcmVudCB1bmxlc3MKPj4gcGVyaXBoZXJhbHMg ZXRjIGFyZSBzcGVjaWZpZWQgdG8gb3RoZXJ3aXNlIGluIERUIChvciBob3dldmVyIEFDUEkgZGVh bHMKPj4gd2l0aCB0aGF0IGtpbmQgb2YgdGhpbmcpLgo+Pgo+PiBXaGF0IHByb2JsZW0gYXJlIHlv dSB0cnlpbmcgdG8gc29sdmUgaGVyZT8KPj4KPj4gT24gVGh1LCBEZWMgMjEsIDIwMjMgYXQgMDk6 NTE6NTJQTSArMDMwMCwgTWF4aW0gS29jaGV0a292IHdyb3RlOgo+Pj4gTm90IGFsbCB0aGUgUklT Q1YgYXJlIERNQSBjb2hlcmVudCBieSBkZWZhdWx0Lgo+Cj4gU29ycnkgZm9yIGNoaW1lIGluIGhl cmUuCj4gSU1PIGlmIHlvdXIgcGxhdGZvcm0gaXMgbm90IGNvaGVyZW50IGJ5IGRlZmF1bHQsIGp1 c3QgaW5zZXJ0IAo+ICJkbWEtbm9uY29oZXJlbnQiCj4gYXQgZGV2aWNldHJlZSByb290IG5vZGUu CgpFeGFjdGx5LiAgQVJDSF9ETUFfREVGQVVMVF9DT0hFUkVOVGlzIGEgc2V0dGluZyB0aGF0IGp1 c3Qgc2F5cyBmb3IKYSBnaXZlbiBhcmNoaXRlY3R1cmUgYXNzdW1lcyBjb2hlcmVudCB1bmxlc3Mg b3RoZXJ3aXNlIHNwZWNpZmllZCwKd2hpY2ggaGFzIGhpc3RvcmljYWxseSBiZWVuIHRoZSBjYXNl IGZvciBtaXBzLiAgTm90IHNldHRpbmcgaXQgbWVhbnMKbm9uLWNvaGVyZW50IHVubGVzcyBzcGVj aWZpZWQsIHdoaWNoIGhhcyBoaXN0b3JpYWxseSBiZWVuIHRoZSBjYXNlCmZvciBhcm0uCgpSSVND LVYgc3RhcnRlIG91dCB3aXRob3V0IHN1cHBvcnQgZm9yIG5vbi1jb2hlcmVudCBETUEsIGFuZCBo aWdoIHVwcwppbiBSSVNDViBzdGlsbCB0b2xkIG1lIGluIDIwMTkgdGhhdCBSSVNDLVYgZG9lc24n dCBuZWVkIGNhY2hlCm1hbmFnZW1lbnQgaW5zdHJ1Y3Rpb25zIGJlY2F1c2Ugbm8gbmV3IGhhcmR3 YXJlIHdvdWxkIGV2ZXIgbm90IGJlCmRtYSBjb2hlcmVudC4gIFllYWgsIHJpZ2h0Li4KCkFueWF5 LCBMaW51eCBmb3IgUklTQy1WIGhhcyBoaXN0b3JpY2FsbHkgYmVlbiBjb2hlcmVudCBvbmx5IGFu ZCB0aGVuCmNvaGVyZW50IGRlZmF1bHQsIHNvIHRoaXMgb3B0aW9uIGlzIHdyb25nLCBhbmQgeW91 IG5lZWQgdG8gbWFyawp5b3UgcGxhdGZvcm0gYXMgbm9uLWNvaGVyZW50IGJ5IGluc2VydGluZyBk bWEtbm9uY29oZXJlbnQgc29tZXdoZXJlLgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmxpbnV4LXJpc2N2IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBs aXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlz dGluZm8vbGludXgtcmlzY3YK