tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y head: d7f83e4f45e886d919bc985bd225b8355ddd9284 commit: bd67557464c2cf89e239da1f11c5d8905ee18f01 [8774/9999] ARC: handle gcc generated __builtin_trap for older compiler config: arc-defconfig (attached as .config) compiler: arc-elf-gcc (GCC) 7.5.0 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://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=bd67557464c2cf89e239da1f11c5d8905ee18f01 git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-4.9.y git checkout bd67557464c2cf89e239da1f11c5d8905ee18f01 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross ARCH=arc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
All warnings (new ones prefixed by >>):
arch/arc/kernel/traps.c:80:48: warning: no previous declaration for
'do_privilege_fault' [-Wmissing-declarations]
DO_ERROR_INFO(SIGILL, "Priv Op/Disabled Extn", do_privilege_fault,
ILL_PRVOPC)
^
arch/arc/kernel/traps.c:66:5: note: in definition of macro 'DO_ERROR_INFO'
int name(unsigned long address, struct pt_regs *regs) \
^~~~
arch/arc/kernel/traps.c:81:44: warning: no previous declaration for
'do_extension_fault' [-Wmissing-declarations]
DO_ERROR_INFO(SIGILL, "Invalid Extn Insn", do_extension_fault, ILL_ILLOPC)
^
arch/arc/kernel/traps.c:66:5: note: in definition of macro 'DO_ERROR_INFO'
int name(unsigned long address, struct pt_regs *regs) \
^~~~
arch/arc/kernel/traps.c:82:48: warning: no previous declaration for
'insterror_is_error' [-Wmissing-declarations]
DO_ERROR_INFO(SIGILL, "Illegal Insn (or Seq)", insterror_is_error,
ILL_ILLOPC)
^
arch/arc/kernel/traps.c:66:5: note: in definition of macro 'DO_ERROR_INFO'
int name(unsigned long address, struct pt_regs *regs) \
^~~~
arch/arc/kernel/traps.c:83:45: warning: no previous declaration for
'do_memory_error' [-Wmissing-declarations]
DO_ERROR_INFO(SIGBUS, "Invalid Mem Access", do_memory_error, BUS_ADRERR)
^
arch/arc/kernel/traps.c:66:5: note: in definition of macro 'DO_ERROR_INFO'
int name(unsigned long address, struct pt_regs *regs) \
^~~~
arch/arc/kernel/traps.c:84:42: warning: no previous declaration for
'trap_is_brkpt' [-Wmissing-declarations]
DO_ERROR_INFO(SIGTRAP, "Breakpoint Set", trap_is_brkpt, TRAP_BRKPT)
^
arch/arc/kernel/traps.c:66:5: note: in definition of macro 'DO_ERROR_INFO'
int name(unsigned long address, struct pt_regs *regs) \
^~~~
arch/arc/kernel/traps.c:85:44: warning: no previous declaration for
'do_misaligned_error' [-Wmissing-declarations]
DO_ERROR_INFO(SIGBUS, "Misaligned Access", do_misaligned_error, BUS_ADRALN)
^
arch/arc/kernel/traps.c:66:5: note: in definition of macro 'DO_ERROR_INFO'
int name(unsigned long address, struct pt_regs *regs) \
^~~~
arch/arc/kernel/traps.c:90:5: warning: no previous declaration for
'do_misaligned_access' [-Wmissing-declarations]
int do_misaligned_access(unsigned long address, struct pt_regs *regs,
^~~~~~~~~~~~~~~~~~~~
arch/arc/kernel/traps.c:104:6: warning: no previous declaration for
'do_machine_check_fault' [-Wmissing-declarations]
void do_machine_check_fault(unsigned long address, struct pt_regs *regs)
^~~~~~~~~~~~~~~~~~~~~~
arch/arc/kernel/traps.c:119:6: warning: no previous declaration for
'do_non_swi_trap' [-Wmissing-declarations]
void do_non_swi_trap(unsigned long address, struct pt_regs *regs)
^~~~~~~~~~~~~~~
arch/arc/kernel/traps.c:147:6: warning: no previous declaration for
'do_insterror_or_kprobe' [-Wmissing-declarations]
void do_insterror_or_kprobe(unsigned long address, struct pt_regs *regs)
^~~~~~~~~~~~~~~~~~~~~~
>> arch/arc/kernel/traps.c:162:6: warning: no previous declaration for 'abort'
>> [-Wmissing-declarations]
void abort(void)
^~~~~
vim +/abort +162 arch/arc/kernel/traps.c
158
159 /*
160 * abort() call generated by older gcc for __builtin_trap()
161 */
> 162 void abort(void)
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
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