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=-7.4 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable 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 D4F42C5CFFE for ; Mon, 10 Dec 2018 21:51:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A2B472081F for ; Mon, 10 Dec 2018 21:51:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A2B472081F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729092AbeLJVvO (ORCPT ); Mon, 10 Dec 2018 16:51:14 -0500 Received: from mga03.intel.com ([134.134.136.65]:51797 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726392AbeLJVvO (ORCPT ); Mon, 10 Dec 2018 16:51:14 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Dec 2018 13:51:13 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,339,1539673200"; d="scan'208";a="124705909" Received: from agluck-desk.sc.intel.com (HELO agluck-desk) ([10.3.52.160]) by fmsmga002.fm.intel.com with ESMTP; 10 Dec 2018 13:51:13 -0800 Date: Mon, 10 Dec 2018 13:51:13 -0800 From: "Luck, Tony" To: Christoph Hellwig Cc: iommu@lists.linux-foundation.org, Linus Torvalds , Jesper Dangaard Brouer , Tariq Toukan , Ilias Apalodimas , Toke =?iso-8859-1?Q?H=F8iland-J=F8rgensen?= , Robin Murphy , Konrad Rzeszutek Wilk , Fenghua Yu , Marek Szyprowski , Keith Busch , Jonathan Derrick , linux-pci@vger.kernel.org, linux-ia64@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC] avoid indirect calls for DMA direct mappings v2 Message-ID: <20181210215113.GA22180@agluck-desk> References: <20181207190720.18517-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181207190720.18517-1-hch@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 07, 2018 at 11:07:05AM -0800, Christoph Hellwig wrote: > This works is based on the dma-mapping tree, so you probably want to > want this git tree for testing: > > git://git.infradead.org/users/hch/misc.git dma-direct-calls.2 Pulled this tree. Got HEAD 33b9fc015171 ("dma-mapping: bypass indirect calls for dma-direct") But the ia64 build fails with: arch/ia64/mm/init.c:75:21: warning: 'enum dma_data_direction' declared inside parameter list [enabled by default] arch/ia64/mm/init.c:75:21: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default] arch/ia64/mm/init.c:75:40: error: parameter 4 ('dir') has incomplete type arch/ia64/mm/init.c:74:6: error: function declaration isn't a prototype [-Werror=strict-prototypes] arch/ia64/mm/init.c: In function 'arch_sync_dma_for_cpu': arch/ia64/mm/init.c:77:2: error: implicit declaration of function '__phys_to_pfn' [-Werror=implicit-function-declaration] -Tony