Re: [PATCH v7 2/3] pid: Introduce pidfd_getfd syscall

From: kbuild test robot
Date: Thu Dec 26 2019 - 17:20:51 EST


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@xxxxxxxxx>

All errors (new ones prefixed by >>):

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

---
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