[arm:ktext 8/20] arch/arm64/kernel/patching.c:106:9: error: implicit declaration of function 'ktext_replication_write'; did you mean 'ktext_replication_init'?

kernel test robot lkp at intel.com
Sat Oct 14 06:14:16 PDT 2023


tree:   git://git.armlinux.org.uk/~rmk/linux-arm.git ktext
head:   7fa946ce05c273d5ff092c814efe64978e5faf45
commit: 6188e1f71bf3f1000eb5b404ec62c17cd336b23d [8/20] arm64: text replication: handle aarch64_insn_write_literal_u64()
config: arm64-randconfig-001-20231014 (https://download.01.org/0day-ci/archive/20231014/202310142120.VmDpiNiJ-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231014/202310142120.VmDpiNiJ-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310142120.VmDpiNiJ-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/arm64/kernel/patching.c: In function 'aarch64_insn_write_literal_u64':
>> arch/arm64/kernel/patching.c:106:9: error: implicit declaration of function 'ktext_replication_write'; did you mean 'ktext_replication_init'? [-Werror=implicit-function-declaration]
     106 |         ktext_replication_write(addr, &val, sizeof(val));
         |         ^~~~~~~~~~~~~~~~~~~~~~~
         |         ktext_replication_init
   cc1: some warnings being treated as errors


vim +106 arch/arm64/kernel/patching.c

    91	
    92	noinstr int aarch64_insn_write_literal_u64(void *addr, u64 val)
    93	{
    94		u64 *waddr;
    95		unsigned long flags;
    96		int ret;
    97	
    98		raw_spin_lock_irqsave(&patch_lock, flags);
    99		waddr = patch_map(addr, FIX_TEXT_POKE0);
   100	
   101		ret = copy_to_kernel_nofault(waddr, &val, sizeof(val));
   102	
   103		patch_unmap(FIX_TEXT_POKE0);
   104		raw_spin_unlock_irqrestore(&patch_lock, flags);
   105	
 > 106		ktext_replication_write(addr, &val, sizeof(val));
   107	
   108		return ret;
   109	}
   110	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki



More information about the linux-arm-kernel mailing list