Re: [PATCH v3] acpi, apei: add Boot Error Record Table (BERT) support

[Fu Wei]

Hi Huang,

On 7 January 2016 at 20:00, kbuild test robot <lkp@xxxxxxxxx> wrote:
> Hi Huang,
>
> [auto build test WARNING on pm/linux-next]
> [also build test WARNING on v4.4-rc8 next-20160106]
> [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
>
> url:    https://github.com/0day-ci/linux/commits/fu-wei-linaro-org/acpi-apei-add-Boot-Error-Record-Table-BERT-support/20160107-193040
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
> config: x86_64-lkp (attached as .config)
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64
>
> All warnings (new ones prefixed by >>):
>
>>> drivers/acpi/apei/bert.c:31:14: warning: extra tokens at end of #undef directive
>     #undef pr_fmt(fmt)
>                  ^
>
> vim +31 drivers/acpi/apei/bert.c
>
>     15   *
>     16   * For more information about BERT, please refer to ACPI Specification
>     17   * version 4.0, section 17.3.1
>     18   *
>     19   * This file is licensed under GPLv2.
>     20   *
>     21   */
>     22
>     23  #include <linux/kernel.h>
>     24  #include <linux/module.h>
>     25  #include <linux/init.h>
>     26  #include <linux/acpi.h>
>     27  #include <linux/io.h>
>     28
>     29  #include "apei-internal.h"
>     30
>   > 31  #undef pr_fmt(fmt)

Do you have any idea?
I did not get warnings when I compiled this for arm64.
But without it, I got "redefined" warning.

>     32  #define pr_fmt(fmt) "BERT: " fmt
>     33
>     34  static int bert_disable;
>     35
>     36  static void __init bert_print_all(struct acpi_bert_region *region,
>     37                                    unsigned int region_len)
>     38  {
>     39          /*
>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation



-- 
Best regards,

Fu Wei
Software Engineer
Red Hat Software (Beijing) Co.,Ltd.Shanghai Branch
Ph: +86 21 61221326(direct)
Ph: +86 186 2020 4684 (mobile)
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