linux-kernel - Re: [PATCH] iommu/exynos: Replace non-existing big-endian Kconfig option

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Message-ID: <201707172340.xpsuGzYj%fengguang.wu@intel.com>
Date:   Mon, 17 Jul 2017 23:25:55 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     kbuild-all@...org, Marek Szyprowski <m.szyprowski@...sung.com>,
        Joerg Roedel <joro@...tes.org>, Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu/exynos: Replace non-existing big-endian Kconfig
 option

Hi Krzysztof,

[auto build test WARNING on iommu/next]
[also build test WARNING on v4.13-rc1 next-20170717]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Krzysztof-Kozlowski/iommu-exynos-Replace-non-existing-big-endian-Kconfig-option/20170717-141202
base:   https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All warnings (new ones prefixed by >>):

>> drivers//iommu/exynos-iommu.c:58:2: warning: #warning "revisit driver if we can enable big-endian ptes" [-Wcpp]
    #warning "revisit driver if we can enable big-endian ptes"
     ^~~~~~~

vim +58 drivers//iommu/exynos-iommu.c

2a96536e KyongHo Cho         2012-05-12  56  
61dfd0bc Krzysztof Kozlowski 2017-07-17  57  #ifdef CONFIG_CPU_BIG_ENDIAN
6ae5343c Ben Dooks           2016-06-08 @58  #warning "revisit driver if we can enable big-endian ptes"
6ae5343c Ben Dooks           2016-06-08  59  #endif
6ae5343c Ben Dooks           2016-06-08  60  

:::::: The code at line 58 was first introduced by commit
:::::: 6ae5343c26f9cba5e9ef8ba6f23b5bb255ebc798 iommu/exynos: update to use iommu big-endian

:::::: TO: Ben Dooks <ben.dooks@...ethink.co.uk>
:::::: CC: Joerg Roedel <jroedel@...e.de>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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