7:22 a.m.
tree: https://github.com/intel/linux-intel-lts.git 4.19/android_s
head: d47c20847da6957c8b15960571893193936c8c1e
commit: 6b7f832e465d88fca5f3a07b85e664f962c88e0b [16636/25248] BACKPORT: mips: Add support
for generic vDSO
config: mips-randconfig-r016-20211028 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 11.2.0
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/intel/linux-intel-lts/commit/6b7f832e465d88fca5f3a07b8...
git remote add intel-lts https://github.com/intel/linux-intel-lts.git
git fetch --no-tags intel-lts 4.19/android_s
git checkout 6b7f832e465d88fca5f3a07b85e664f962c88e0b
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir
ARCH=mips SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
Note: the intel-lts/4.19/android_s HEAD d47c20847da6957c8b15960571893193936c8c1e builds
fine.
It only hurts bisectability.
All errors (new ones prefixed by >>):
In file included from lib/vdso/gettimeofday.c:26,
from <command-line>:
arch/mips/include/asm/vdso/gettimeofday.h: In function
'clock_gettime_fallback':
> arch/mips/include/asm/vdso/gettimeofday.h:68:38: error:
'__NR_clock_gettime64' undeclared (first use in this function)
68 |
register long nr asm("v0") = __NR_clock_gettime64;
| ^~~~~~~~~~~~~~~~~~~~
arch/mips/include/asm/vdso/gettimeofday.h:68:38: note: each undeclared identifier is
reported only once for each function it appears in
In file included from <command-line>:
lib/vdso/gettimeofday.c: In function '__cvdso_clock_gettime32':
lib/vdso/gettimeofday.c:113:20: error: invalid use of undefined type 'struct
compat_timespec'
113 | res->tv_sec = ts.tv_sec;
| ^~
lib/vdso/gettimeofday.c:114:20: error: invalid use of undefined type 'struct
compat_timespec'
114 | res->tv_nsec = ts.tv_nsec;
| ^~
arch/mips/vdso/vgettimeofday.c: At top level:
arch/mips/vdso/vgettimeofday.c:14:5: warning: no previous prototype for
'__vdso_clock_gettime' [-Wmissing-prototypes]
14 | int __vdso_clock_gettime(clockid_t clock,
| ^~~~~~~~~~~~~~~~~~~~
arch/mips/vdso/vgettimeofday.c:20:5: warning: no previous prototype for
'__vdso_gettimeofday' [-Wmissing-prototypes]
20 | int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
| ^~~~~~~~~~~~~~~~~~~
vim +/__NR_clock_gettime64 +68 arch/mips/include/asm/vdso/gettimeofday.h
57
58 static __always_inline long clock_gettime_fallback(
59 clockid_t _clkid,
60 struct __kernel_timespec *_ts)
61 {
62 register struct __kernel_timespec *ts asm("a1") = _ts;
63 register clockid_t clkid asm("a0") = _clkid;
64 register long ret asm("v0");
65 #if _MIPS_SIM == _MIPS_SIM_ABI64
66 register long nr asm("v0") = __NR_clock_gettime;
67 #else
68 register long nr asm("v0") = __NR_clock_gettime64;
69 #endif
70 register long error asm("a3");
71
72 asm volatile(
73 " syscall\n"
74 : "=r" (ret), "=r" (error)
75 : "r" (clkid), "r" (ts), "r" (nr)
76 : "$1", "$3", "$8", "$9", "$10",
"$11", "$12", "$13",
77 "$14", "$15", "$24", "$25",
"hi", "lo", "memory");
78
79 return error ? -ret : ret;
80 }
81
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org