Re: [PATCH v4.16-rc4 1/1] x86/vdso: on Intel, VDSO should handle CLOCK_MONOTONIC_RAW

From: kbuild test robot
Date: Mon Mar 12 2018 - 04:27:29 EST


Hi Jason,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on v4.16-rc4]

url: https://github.com/0day-ci/linux/commits/Jason-Vas-Dias/x86-vdso-on-Intel-VDSO-should-handle-CLOCK_MONOTONIC_RAW/20180312-161442
config: x86_64-randconfig-x010-201810 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

arch/x86/entry/vdso/vclock_gettime.o: In function `__vdso_clock_gettime':
arch/x86/entry/vdso/vclock_gettime.c:336: undefined reference to `__x86_indirect_thunk_rax'
/usr/bin/ld: arch/x86/entry/vdso/vclock_gettime.o: relocation R_X86_64_PC32 against undefined symbol `__x86_indirect_thunk_rax' can not be used when making a shared object; recompile with -fPIC
/usr/bin/ld: final link failed: Bad value
>> collect2: error: ld returned 1 exit status
--
arch/x86//entry/vdso/vclock_gettime.o: In function `__vdso_clock_gettime':
arch/x86//entry/vdso/vclock_gettime.c:336: undefined reference to `__x86_indirect_thunk_rax'
/usr/bin/ld: arch/x86//entry/vdso/vclock_gettime.o: relocation R_X86_64_PC32 against undefined symbol `__x86_indirect_thunk_rax' can not be used when making a shared object; recompile with -fPIC
/usr/bin/ld: final link failed: Bad value
>> collect2: error: ld returned 1 exit status

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