From: kernel test robot <lkp@intel.com>
To: Jeff Dike <jdike@akamai.com>, netdev@vger.kernel.org
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
David Ahern <dsahern@gmail.com>, Jeff Dike <jdike@akamai.com>
Subject: Re: [PATCH net-next] Exempt multicast addresses from five-second neighbor lifetime
Date: Tue, 3 Nov 2020 07:23:24 +0800 [thread overview]
Message-ID: <202011030742.RgQn9M2A-lkp@intel.com> (raw)
In-Reply-To: <20201102174756.6933-1-jdike@akamai.com>
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Hi Jeff,
I love your patch! Perhaps something to improve:
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Jeff-Dike/Exempt-multicast-addresses-from-five-second-neighbor-lifetime/20201103-015012
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git c43fd36f7fec6c227c5e8a8ddd7d3fe97472182f
config: powerpc64-randconfig-r001-20201102 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cc91554ebb66e8c9a4b8c67ca2f1343eaac10cf6)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://github.com/0day-ci/linux/commit/e4ca67984d1bb7e5276cf18921c75dcd05ce0275
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Jeff-Dike/Exempt-multicast-addresses-from-five-second-neighbor-lifetime/20201103-015012
git checkout e4ca67984d1bb7e5276cf18921c75dcd05ce0275
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> net/ipv4/arp.c:933:9: warning: 'IN_MULTICAST' macro redefined [-Wmacro-redefined]
#define IN_MULTICAST(a) ((((long)(a)) & 0xf0000000) == 0xe0000000)
^
include/uapi/linux/in.h:273:9: note: previous definition is here
#define IN_MULTICAST(a) IN_CLASSD(a)
^
1 warning generated.
vim +/IN_MULTICAST +933 net/ipv4/arp.c
932
> 933 #define IN_MULTICAST(a) ((((long)(a)) & 0xf0000000) == 0xe0000000)
934
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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prev parent reply other threads:[~2020-11-02 23:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-02 17:47 [PATCH net-next] Exempt multicast addresses from five-second neighbor lifetime Jeff Dike
2020-11-02 22:34 ` kernel test robot
2020-11-02 23:23 ` kernel test robot [this message]
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