Hi, Thank you for the patch! Yet something to improve:
[auto build test ERROR on v4.16-rc4] [also build test ERROR on next-20180316] [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/jason-vas-dias-gmail-com/x86-vdso-VDSO-should-handle-clock_gettime-CLOCK_MONOTONIC_RAW-without-syscall/20180319-021527 config: x86_64-randconfig-v0-03200333 (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 Note: the linux-review/jason-vas-dias-gmail-com/x86-vdso-VDSO-should-handle-clock_gettime-CLOCK_MONOTONIC_RAW-without-syscall/20180319-021527 HEAD e19190a6cf1c0e065fe6e3b1b3073e1586d0b6a9 builds fine. It only hurts bisectibility. 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:314: 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 -- >> objcopy: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file -- arch/x86//entry/vdso/vclock_gettime.o: In function `__vdso_clock_gettime': arch/x86//entry/vdso/vclock_gettime.c:314: 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 vim +314 arch/x86/entry/vdso/vclock_gettime.c da15cfda arch/x86/vdso/vclock_gettime.c John Stultz 2009-08-19 311 23adec55 arch/x86/vdso/vclock_gettime.c Steven Rostedt 2008-05-12 312 notrace int __vdso_clock_gettime(clockid_t clock, struct timespec *ts) 2aae950b arch/x86_64/vdso/vclock_gettime.c Andi Kleen 2007-07-21 313 { 2aae950b arch/x86_64/vdso/vclock_gettime.c Andi Kleen 2007-07-21 @314 switch (clock) { 2aae950b arch/x86_64/vdso/vclock_gettime.c Andi Kleen 2007-07-21 315 case CLOCK_REALTIME: ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 316 if (do_realtime(ts) == VCLOCK_NONE) ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 317 goto fallback; da15cfda arch/x86/vdso/vclock_gettime.c John Stultz 2009-08-19 318 break; 2aae950b arch/x86_64/vdso/vclock_gettime.c Andi Kleen 2007-07-21 319 case CLOCK_MONOTONIC: ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 320 if (do_monotonic(ts) == VCLOCK_NONE) ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 321 goto fallback; da15cfda arch/x86/vdso/vclock_gettime.c John Stultz 2009-08-19 322 break; d3dd2426 arch/x86/entry/vdso/vclock_gettime.c [email protected] 2018-03-17 323 case CLOCK_MONOTONIC_RAW: d3dd2426 arch/x86/entry/vdso/vclock_gettime.c [email protected] 2018-03-17 324 if (do_monotonic_raw(ts) == VCLOCK_NONE) d3dd2426 arch/x86/entry/vdso/vclock_gettime.c [email protected] 2018-03-17 325 goto fallback; d3dd2426 arch/x86/entry/vdso/vclock_gettime.c [email protected] 2018-03-17 326 break; da15cfda arch/x86/vdso/vclock_gettime.c John Stultz 2009-08-19 327 case CLOCK_REALTIME_COARSE: ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 328 do_realtime_coarse(ts); ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 329 break; da15cfda arch/x86/vdso/vclock_gettime.c John Stultz 2009-08-19 330 case CLOCK_MONOTONIC_COARSE: ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 331 do_monotonic_coarse(ts); ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 332 break; ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 333 default: ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 334 goto fallback; 2aae950b arch/x86_64/vdso/vclock_gettime.c Andi Kleen 2007-07-21 335 } 0d7b8547 arch/x86/vdso/vclock_gettime.c Andy Lutomirski 2011-06-05 336 a939e817 arch/x86/vdso/vclock_gettime.c John Stultz 2012-03-01 337 return 0; ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 338 fallback: ce39c640 arch/x86/vdso/vclock_gettime.c Stefani Seibold 2014-03-17 339 return vdso_fallback_gettime(clock, ts); 2aae950b arch/x86_64/vdso/vclock_gettime.c Andi Kleen 2007-07-21 340 } 2aae950b arch/x86_64/vdso/vclock_gettime.c Andi Kleen 2007-07-21 341 int clock_gettime(clockid_t, struct timespec *) 2aae950b arch/x86_64/vdso/vclock_gettime.c Andi Kleen 2007-07-21 342 __attribute__((weak, alias("__vdso_clock_gettime"))); 2aae950b arch/x86_64/vdso/vclock_gettime.c Andi Kleen 2007-07-21 343 :::::: The code at line 314 was first introduced by commit :::::: 2aae950b21e4bc789d1fc6668faf67e8748300b7 x86_64: Add vDSO for x86-64 with gettimeofday/clock_gettime/getcpu :::::: TO: Andi Kleen <[email protected]> :::::: CC: Linus Torvalds <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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