linux-kernel - Re: [PATCH v7 2/3] pid: Introduce pidfd

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Message-ID: <201912270545.TQnRs9kG%lkp@intel.com>
Date:   Fri, 27 Dec 2019 06:20:19 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Sargun Dhillon <sargun@...gun.me>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        containers@...ts.linux-foundation.org, linux-api@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, tycho@...ho.ws, jannh@...gle.com,
        cyphar@...har.com, christian.brauner@...ntu.com, oleg@...hat.com,
        luto@...capital.net, viro@...iv.linux.org.uk,
        gpascutto@...illa.com, ealvarez@...illa.com, fweimer@...hat.com,
        jld@...illa.com, arnd@...db.de
Subject: Re: [PATCH v7 2/3] pid: Introduce pidfd_getfd syscall

Hi Sargun,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on kselftest/next]
[also build test ERROR on linus/master v5.5-rc3]
[cannot apply to tip/x86/asm next-20191220]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Sargun-Dhillon/Add-pidfd_getfd-syscall/20191227-025151
base:   https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
config: alpha-defconfig (attached as .config)
compiler: alpha-linux-gcc (GCC) 7.5.0
reproduce:
        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
        GCC_VERSION=7.5.0 make.cross ARCH=alpha 

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

All errors (new ones prefixed by >>):

   arch/alpha/kernel/systbls.o: In function `sys_call_table':
>> (.data+0x1120): undefined reference to `sys_pidfd'

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (13327 bytes)