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Message-ID: <202101120634.ToUhKEeN-lkp@intel.com>
Date:   Tue, 12 Jan 2021 06:19:20 +0800
From:   kernel test robot <lkp@...el.com>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, schwab@...ux-m68k.org
Cc:     kbuild-all@...ts.01.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] powerpc/vdso: fix clock_gettime_fallback for vdso32

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@...el.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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