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=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 DDF5DC4338F for ; Mon, 9 Aug 2021 16:05:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B882560560 for ; Mon, 9 Aug 2021 16:05:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229483AbhHIQF1 (ORCPT ); Mon, 9 Aug 2021 12:05:27 -0400 Received: from mga04.intel.com ([192.55.52.120]:14829 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229456AbhHIQF1 (ORCPT ); Mon, 9 Aug 2021 12:05:27 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10070"; a="212865332" X-IronPort-AV: E=Sophos;i="5.84,307,1620716400"; d="scan'208";a="212865332" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Aug 2021 09:02:38 -0700 X-IronPort-AV: E=Sophos;i="5.84,307,1620716400"; d="scan'208";a="421501122" Received: from djiang5-mobl1.amr.corp.intel.com (HELO [10.209.157.130]) ([10.209.157.130]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Aug 2021 09:02:37 -0700 Subject: Re: [PATCH] dmaengine: ioat: depends on !UML To: Johannes Berg Cc: Dan Williams , dmaengine@vger.kernel.org, Johannes Berg , Geert Uytterhoeven References: <20210809112409.a3a0974874d2.I2ffe3d11ed37f735da2f39884a74c953b258b995@changeid> From: Dave Jiang Message-ID: <6b32521e-5878-8ae7-f27d-331f82466b75@intel.com> Date: Mon, 9 Aug 2021 09:02:36 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <20210809112409.a3a0974874d2.I2ffe3d11ed37f735da2f39884a74c953b258b995@changeid> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 8/9/2021 2:24 AM, Johannes Berg wrote: > From: Johannes Berg > > Now that UML has PCI support, this driver must depend also on > !UML since it pokes at X86_64 architecture internals that don't > exist on ARCH=um. > > Reported-by: Geert Uytterhoeven > Signed-off-by: Johannes Berg Acked-by: Dave Jiang > --- > drivers/dma/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig > index 39b5b46e880f..dc155f75926d 100644 > --- a/drivers/dma/Kconfig > +++ b/drivers/dma/Kconfig > @@ -315,7 +315,7 @@ config INTEL_IDXD_PERFMON > > config INTEL_IOATDMA > tristate "Intel I/OAT DMA support" > - depends on PCI && X86_64 > + depends on PCI && X86_64 && !UML > select DMA_ENGINE > select DMA_ENGINE_RAID > select DCA