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Message-ID: <11e1e917-f9ed-e25f-e887-0c4f18231ede@redhat.com>
Date:   Mon, 14 Sep 2020 09:40:52 +1000
From:   Gavin Shan <gshan@...hat.com>
To:     kernel test robot <lkp@...el.com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        catalin.marinas@....com, anshuman.khandual@....com,
        mark.rutland@....com, will@...nel.org, shan.gavin@...il.com
Subject: Re: [PATCH] arm64/mm: Refactor {pgd, pud, pmd, pte}_ERROR()

On 9/14/20 8:19 AM, kernel test robot wrote:
> Thank you for the patch! Perhaps something to improve:
> 
> [auto build test WARNING on arm64/for-next/core]
> [also build test WARNING on soc/for-next kvmarm/next v5.9-rc4 next-20200911]
> [cannot apply to arm/for-next xlnx/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/Gavin-Shan/arm64-mm-Refactor-pgd-pud-pmd-pte-_ERROR/20200913-194714
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
> config: arm64-defconfig (attached as .config)
> compiler: aarch64-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
>          # save the attached .config to linux build tree
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64
> 
> 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 >>):
> 
>     In file included from include/linux/printk.h:7,
>                      from include/linux/kernel.h:15,
>                      from include/asm-generic/bug.h:20,
>                      from arch/arm64/include/asm/bug.h:26,
>                      from include/linux/bug.h:5,
>                      from include/linux/mmdebug.h:5,
>                      from include/linux/mm.h:9,
>                      from include/linux/pagemap.h:8,
>                      from mm/pgtable-generic.c:10:
>     mm/pgtable-generic.c: In function 'pgd_clear_bad':
>     include/linux/kern_levels.h:5:18: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'pgdval_t' {aka 'long long unsigned int'} [-Wformat=]

[...]

I'm fixing this by passing "%016llx" instead of "%016lx" to pr_err() in v2.

Thanks,
Gavin

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