Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751980AbbBVJGk (ORCPT ); Sun, 22 Feb 2015 04:06:40 -0500 Received: from out114-136.biz.mail.alibaba.com ([205.204.114.136]:58769 "EHLO out21.biz.mail.alibaba.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751243AbbBVJGd (ORCPT ); Sun, 22 Feb 2015 04:06:33 -0500 X-Alimail-AntiSpam: AC=CONTINUE;BC=0.09721524|-1;FP=0|0|0|0|0|-1|-1|-1;HT=r41f05017;MF=gang.chen@sunrus.com.cn;PH=DS;RN=13;RT=13;SR=0; Message-ID: <54E99DD4.6010602@sunrus.com.cn> Date: Sun, 22 Feb 2015 17:13:56 +0800 From: Chen Gang S User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: airlied@linux.ie, p.zabel@pengutronix.de, laurent.pinchart@ideasonboard.com CC: robdclark@gmail.com, boris.brezillon@free-electrons.com, nicolas.ferre@atmel.com, benjamin.gaignard@linaro.org, jg1.han@samsung.com, dri-devel@lists.freedesktop.org, linux-sh@vger.kernel.org, "linux-kernel@vger.kernel.org" , chris@zankel.net, jcmvbkbc@gmail.com Subject: Re: [PATCH] drm: Kconfig: Let all DRM_GEM_CMA_HELPER related macros depend on HAVE_DMA_ATTRS References: <54CE3361.9090107@sunrus.com.cn> <54CFEBA2.9070801@sunrus.com.cn> In-Reply-To: <54CFEBA2.9070801@sunrus.com.cn> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1093 Lines: 34 On 2/3/15 05:26, Chen Gang S wrote: [...] > > - Xtensa gcc5 cross compiler has issues: > > it causes more than 10 broken areas with allmodconfig (but no issues > with defconfig). I guess, in fact, it is only 1 real issue (which can > cause all breaks), and I shall try to fix it within this month. > I finish analysing for it, it is really only one issue for gcc5, and I guess, this issue is also not only for xtensa. I send related fix patch to gcc patch mailing list, hope it can pass checking. The cause is "the variables are not initialized before using them", the bug information is "https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65117". After fix this issue, it can build xtensa Linux kernel with allmodconfig successfully. [...] Thanks. -- Chen Gang Open, share, and attitude like air, water, and life which God blessed -- 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/