netdev - Re: [PATCH 1/6] Kbuild: compile kernel with gnu11 std

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Date:   Wed, 2 Mar 2022 01:59:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Xiaomeng Tong <xiam0nd.tong@...il.com>,
        torvalds@...ux-foundation.org
Cc:     kbuild-all@...ts.01.org, arnd@...db.de, jakobkoschel@...il.com,
        linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
        keescook@...omium.org, jannh@...gle.com,
        linux-kbuild@...r.kernel.org, linux-mm@...ck.org,
        netdev@...r.kernel.org, Xiaomeng Tong <xiam0nd.tong@...il.com>
Subject: Re: [PATCH 1/6] Kbuild: compile kernel with gnu11 std

Hi Xiaomeng,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on vkoul-dmaengine/next soc/for-next linus/master v5.17-rc6 next-20220301]
[cannot apply to hnaz-mm/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Xiaomeng-Tong/list_for_each_entry-make-iterator-invisiable-outside-the-loop/20220301-160113
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2c271fe77d52a0555161926c232cd5bc07178b39
config: mips-rb532_defconfig (https://download.01.org/0day-ci/archive/20220302/202203020135.5duGpXM2-lkp@intel.com/config)
compiler: mipsel-linux-gcc (GCC) 11.2.0
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
        # https://github.com/0day-ci/linux/commit/84ec4077430a7e8c23ea1ebc7b69e254fda25cb1
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Xiaomeng-Tong/list_for_each_entry-make-iterator-invisiable-outside-the-loop/20220301-160113
        git checkout 84ec4077430a7e8c23ea1ebc7b69e254fda25cb1
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> cc1: warning: result of '-117440512 << 16' requires 44 bits to represent, but 'int' only has 32 bits [-Wshift-overflow=]
   arch/mips/pci/pci-rc32434.c: In function 'rc32434_pcibridge_init':
   arch/mips/pci/pci-rc32434.c:111:22: warning: variable 'dummyread' set but not used [-Wunused-but-set-variable]
     111 |         unsigned int dummyread, pcicntlval;
         |                      ^~~~~~~~~

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org