Re: [PATCH v2] powerpc/vdso: fix clock_gettime_fallback for vdso32

kernel test robot
2021-01-11T22:21:08Z

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Hi Christophe,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v5.11-rc3 next-20210111]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Christophe-Leroy/powerpc-vdso-fix-clock_gettime_fallback-for-vdso32/20210112-005359
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/49b084da4df1e1cf12240826b7d6db743c761e7c
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Christophe-Leroy/powerpc-vdso-fix-clock_gettime_fallback-for-vdso32/20210112-005359
git checkout 49b084da4df1e1cf12240826b7d6db743c761e7c
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

In file included from include/vdso/datapage.h:137,
from arch/powerpc/include/asm/vdso_datapage.h:39,
from arch/powerpc/kernel/asm-offsets.c:37:
arch/powerpc/include/asm/vdso/gettimeofday.h: In function 'clock_gettime_fallback':
>> arch/powerpc/include/asm/vdso/gettimeofday.h:113:22: error: '__NR_clock_gettime64' undeclared (first use in this function)
113 | return do_syscall_2(__NR_clock_gettime64, _clkid, (unsigned long)_ts);
| ^~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/vdso/gettimeofday.h:113:22: note: each undeclared identifier is reported only once for each function it appears in
arch/powerpc/include/asm/vdso/gettimeofday.h: In function 'clock_getres_fallback':
>> arch/powerpc/include/asm/vdso/gettimeofday.h:119:22: error: '__NR_clock_getres_time64' undeclared (first use in this function)
119 | return do_syscall_2(__NR_clock_getres_time64, _clkid, (unsigned long)_ts);
| ^~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/vdso/datapage.h:137,
from arch/powerpc/include/asm/vdso_datapage.h:39,
from arch/powerpc/kernel/asm-offsets.c:37:
arch/powerpc/include/asm/vdso/gettimeofday.h: In function 'clock_gettime_fallback':
>> arch/powerpc/include/asm/vdso/gettimeofday.h:113:22: error: '__NR_clock_gettime64' undeclared (first use in this function)
113 | return do_syscall_2(__NR_clock_gettime64, _clkid, (unsigned long)_ts);
| ^~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/vdso/gettimeofday.h:113:22: note: each undeclared identifier is reported only once for each function it appears in
arch/powerpc/include/asm/vdso/gettimeofday.h: In function 'clock_getres_fallback':
>> arch/powerpc/include/asm/vdso/gettimeofday.h:119:22: error: '__NR_clock_getres_time64' undeclared (first use in this function)
119 | return do_syscall_2(__NR_clock_getres_time64, _clkid, (unsigned long)_ts);
| ^~~~~~~~~~~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1206: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
--
In file included from include/vdso/datapage.h:137,
from arch/powerpc/include/asm/vdso_datapage.h:39,
from arch/powerpc/kernel/asm-offsets.c:37:
arch/powerpc/include/asm/vdso/gettimeofday.h: In function 'clock_gettime_fallback':
>> arch/powerpc/include/asm/vdso/gettimeofday.h:113:22: error: '__NR_clock_gettime64' undeclared (first use in this function)
113 | return do_syscall_2(__NR_clock_gettime64, _clkid, (unsigned long)_ts);
| ^~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/vdso/gettimeofday.h:113:22: note: each undeclared identifier is reported only once for each function it appears in
arch/powerpc/include/asm/vdso/gettimeofday.h: In function 'clock_getres_fallback':
>> arch/powerpc/include/asm/vdso/gettimeofday.h:119:22: error: '__NR_clock_getres_time64' undeclared (first use in this function)
119 | return do_syscall_2(__NR_clock_getres_time64, _clkid, (unsigned long)_ts);
| ^~~~~~~~~~~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1206: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.

vim +/__NR_clock_gettime64 +113 arch/powerpc/include/asm/vdso/gettimeofday.h

109
110 static __always_inline
111 int clock_gettime_fallback(clockid_t _clkid, struct __kernel_timespec *_ts)
112 {
> 113 return do_syscall_2(__NR_clock_gettime64, _clkid, (unsigned long)_ts);
114 }
115
116 static __always_inline
117 int clock_getres_fallback(clockid_t _clkid, struct __kernel_timespec *_ts)
118 {
> 119 return do_syscall_2(__NR_clock_getres_time64, _clkid, (unsigned long)_ts);
120 }
121

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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