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Date:   Sat, 16 Jan 2021 08:53:03 +0800
From:   Yejune Deng <yejune.deng@...il.com>
To:     kernel test robot <lkp@...el.com>
Cc:     rdunlap@...radead.org, akpm@...ux-foundation.org,
        kbuild-all@...ts.01.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        nickhu@...estech.com, green.hu@...il.com, deanbo422@...il.com
Subject: Re: [PATCH] lib: dynamic_queue_limits: use memset and offsetof init

Sorry.It failed in ARCH nds32,I will fix it in the next submit.


On Fri, Jan 15, 2021 at 2:33 PM Yejune Deng <yejune.deng@...il.com> wrote:
>
> My patch is applied to linux-next/master tree.I also built in arch
> arm64 and x86_64,is OK.Is something wrong with that?
>
> On Fri, Jan 15, 2021 at 12:45 PM kernel test robot <lkp@...el.com> wrote:
> >
> > Hi Yejune,
> >
> > Thank you for the patch! Yet something to improve:
> >
> > [auto build test ERROR on linus/master]
> > [also build test ERROR on v5.11-rc3 next-20210114]
> > [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/Yejune-Deng/lib-dynamic_queue_limits-use-memset-and-offsetof-init/20210115-112707
> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 146620506274bd24d52fb1c589110a30eed8240b
> > config: nds32-randconfig-m031-20210115 (attached as .config)
> > compiler: nds32le-linux-gcc (GCC) 9.3.0
> > 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/9be25b076f67d15d29016cb613b95d2ae190a9b4
> >         git remote add linux-review https://github.com/0day-ci/linux
> >         git fetch --no-tags linux-review Yejune-Deng/lib-dynamic_queue_limits-use-memset-and-offsetof-init/20210115-112707
> >         git checkout 9be25b076f67d15d29016cb613b95d2ae190a9b4
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@...el.com>
> >
> > All error/warnings (new ones prefixed by >>):
> >
> >    lib/dynamic_queue_limits.c: In function 'dql_reset':
> > >> lib/dynamic_queue_limits.c:119:2: error: implicit declaration of function 'memset' [-Werror=implicit-function-declaration]
> >      119 |  memset(dql, 0, offsetof(struct dql, lowest_slack));
> >          |  ^~~~~~
> > >> lib/dynamic_queue_limits.c:119:2: warning: incompatible implicit declaration of built-in function 'memset'
> >    lib/dynamic_queue_limits.c:11:1: note: include '<string.h>' or provide a declaration of 'memset'
> >       10 | #include <linux/dynamic_queue_limits.h>
> >      +++ |+#include <string.h>
> >       11 | #include <linux/compiler.h>
> >    cc1: some warnings being treated as errors
> >
> >
> > vim +/memset +119 lib/dynamic_queue_limits.c
> >
> >    115
> >    116  void dql_reset(struct dql *dql)
> >    117  {
> >    118          /* Reset all dynamic values */
> >  > 119          memset(dql, 0, offsetof(struct dql, lowest_slack));
> >    120          dql->lowest_slack = UINT_MAX;
> >    121          dql->slack_start_time = jiffies;
> >    122  }
> >    123  EXPORT_SYMBOL(dql_reset);
> >    124
> >
> > ---
> > 0-DAY CI Kernel Test Service, Intel Corporation
> > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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