Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759015AbYJMS2w (ORCPT ); Mon, 13 Oct 2008 14:28:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753436AbYJMS2k (ORCPT ); Mon, 13 Oct 2008 14:28:40 -0400 Received: from mailbox2.myri.com ([64.172.73.26]:2030 "EHLO myri.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753225AbYJMS2j (ORCPT ); Mon, 13 Oct 2008 14:28:39 -0400 Message-ID: <48F391B9.1000206@myri.com> Date: Mon, 13 Oct 2008 20:21:45 +0200 From: Brice Goglin User-Agent: Mozilla-Thunderbird 2.0.0.16 (X11/20080724) MIME-Version: 1.0 To: "Brandeburg, Jesse" CC: Adrian Bunk , Kamalesh Babulal , Jeff Garzik , "Kirsher, Jeffrey T" , linux-kernel@vger.kernel.org, apw@shadowen.org, linuxppc-dev@ozlabs.org, sam@ravnborg.org, e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org, "Sosnowski, Maciej" Subject: Re: [BUILD_FAILURE] 2.6.27-git2 - allyesconfig on powerpc selectsCONFIG_INTEL_IOATDMA=y References: <20081013101559.GA14372@linux.vnet.ibm.com> <20081013112631.GD29938@cs181140183.pp.htv.fi> <36D9DB17C6DE9E40B059440DB8D95F52066E2EAE@orsmsx418.amr.corp.intel.com> In-Reply-To: <36D9DB17C6DE9E40B059440DB8D95F52066E2EAE@orsmsx418.amr.corp.intel.com> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 989 Lines: 21 Brandeburg, Jesse wrote: > What we want, is myri10ge and ixgbe drivers that can build whether or not CONFIG_INTEL_IOATDMA is enabled. IF CONFIG_INTEL_IOATDMA *is* enabled (which it should not be on PPC) then there are several cases we want to work: > CONFIG_INTEL_IOATDMA=m ---> CONFIG_IXGBE=[m|n] > CONFIG_INTEL_IOATDMA=y ---> CONFIG_IXGBE=[m|y|n] > CONFIG_INTEL_IOATDMA=n ---> CONFIG_IXGBE=[m|y|n] > CONFIG_INTEL_IOATDMA depends on X86 > I am not sure I want to prevent myri10ge=y just because ioatdma=m. I would vote for adding some Kconfig stuff to define CONFIG_MYRI10GE_DCA as boolean set to yes if (IOATDMA=y and MYRI10GE=y/m) or (IOATDMA=m and MYRI10GE=m). And then use #ifdef CONFIG_MYRI10GE_DCA in the driver source. Brice -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/