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 1FCEFC5321D for ; Mon, 26 Aug 2024 06:48:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=I5vPQa5B0qSf1a0XhjsHqZRzzkETp0uhy9XwdCafnAA=; b=SKEW1uXN64sTpAOvgQJtI9JeCq WeDJPVcSBoTn4uHWMsmw20/J8KbDvW4lzr4d/PHDkS2OcyFEoXfMPiMAi8E66/pQfFP4VH7nAWAaS 6hChmL/KcOoxxyePIVofBj7lkgOKZG1c92DOqvuApOqDByB3UTmxhLfZ7zhkrYoYPAdzpaz0bbbRu 8X6frxJrbKbukeeSL2yKYcmWY7kqldz1Qdo/BpjCrR36Fe3JULe05ie8bWZhVrkvN7CfTxfCdaZ/3 9z9WKjwroxUMf41x9ECfVLTeeYHAMw9tT/FFKjKXRKUh+IKX6imFVsRtG7hE6o3vyugmO7LmDDEdx TT+GhQHw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1siTW4-000000066rB-2DZU; Mon, 26 Aug 2024 06:47:52 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1siTF6-0000000621F-0Hha for linux-arm-kernel@lists.infradead.org; Mon, 26 Aug 2024 06:30:21 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 8552E68AA6; Mon, 26 Aug 2024 08:30:03 +0200 (CEST) Date: Mon, 26 Aug 2024 08:30:02 +0200 From: Christoph Hellwig To: Jason Wang Cc: Christoph Hellwig , "Michael S . Tsirkin" , iommu@lists.linux.dev, Marek Szyprowski , Robin Murphy , Sakari Ailus , Bingbu Cao , linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-media@vger.kernel.org, virtualization@lists.linux.dev, xen-devel@lists.xenproject.org Subject: Re: clearly mark DMA_OPS support as an architecture feasture Message-ID: <20240826063002.GA30266@lst.de> References: <20240824035817.1163502-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii 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-20240825_233020_269735_4BBE9D0D X-CRM114-Status: GOOD ( 10.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Aug 26, 2024 at 02:27:27PM +0800, Jason Wang wrote: > Actually I meant, we can extend the virtio_config_ops to allow mapping > ops there, then simulator and VDUSE can hook the map ops there. >From a quick glance that feels like the right layer of abstraction, although the config part of the name feels wrong at that point.