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 27F84C4332F for ; Mon, 6 Nov 2023 07:38:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231231AbjKFHiF (ORCPT ); Mon, 6 Nov 2023 02:38:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231166AbjKFHiD (ORCPT ); Mon, 6 Nov 2023 02:38:03 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC7AFD47 for ; Sun, 5 Nov 2023 23:38:00 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id 26CC168AA6; Mon, 6 Nov 2023 08:37:58 +0100 (CET) Date: Mon, 6 Nov 2023 08:37:57 +0100 From: Christoph Hellwig To: Jia He Cc: Christoph Hellwig , Marek Szyprowski , Robin Murphy , iommu@lists.linux.dev, linux-kernel@vger.kernel.org, nd@arm.com Subject: Re: [PATCH v4 2/2] dma-mapping: fix dma_addressing_limited() if dma_range_map can't cover all system RAM Message-ID: <20231106073757.GB17734@lst.de> References: <20231028102059.66891-1-justin.he@arm.com> <20231028102059.66891-3-justin.he@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231028102059.66891-3-justin.he@arm.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Oct 28, 2023 at 10:20:59AM +0000, Jia He wrote: > + if (likely(!ops)) > + return !dma_direct_all_ram_mapped(dev); > + > + return false; I've turned his around to make it read a little nicer.