Re: [PATCH v3 1/2] powerpc/32: add stack protector support
From: kbuild test robot
Date: Sat Sep 29 2018 - 22:17:10 EST
Hi Christophe,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.19-rc5 next-20180928]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Christophe-Leroy/powerpc-32-add-stack-protector-support/20180926-123625
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-mpc86xx_basic_defconfig (attached as .config)
compiler: powerpc-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
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=7.2.0 make.cross ARCH=powerpc
All errors (new ones prefixed by >>):
arch/powerpc/platforms/powermac/bootx_init.o: In function `bootx_add_display_props.isra.1':
>> bootx_init.c:(.init.text+0x504): undefined reference to `__stack_chk_fail_local'
arch/powerpc/platforms/powermac/bootx_init.o: In function `bootx_scan_dt_build_struct':
bootx_init.c:(.init.text+0x820): undefined reference to `__stack_chk_fail_local'
arch/powerpc/platforms/powermac/bootx_init.o: In function `bootx_init':
bootx_init.c:(.init.text+0xbbc): undefined reference to `__stack_chk_fail_local'
powerpc-linux-gnu-ld: .tmp_vmlinux1: hidden symbol `__stack_chk_fail_local' isn't defined
powerpc-linux-gnu-ld: final link failed: Bad value
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