Hi Florian,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/master]
[also build test ERROR on tip/x86/core linus/master v6.11-rc3 next-20240815]
[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#_base_tree_information]

url:    
https://github.com/intel-lab-lkp/linux/commits/Florian-Rommel/x86-kgdb-trampolines-for-shadowed-instructions/20240814-230936
base:   tip/master
patch link:    
https://lore.kernel.org/r/20240814085141.171564-1-mail%40florommel.de
patch subject: [PATCH WIP] x86/kgdb: trampolines for shadowed instructions
config: x86_64-buildonly-randconfig-004-20240815 
(https://download.01.org/0day-ci/archive/20240816/202408160303.fvgjfuth-...@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20240816/202408160303.fvgjfuth-...@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 <l...@intel.com>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/202408160303.fvgjfuth-...@intel.com/

All errors (new ones prefixed by >>):

   ld: vmlinux.o: in function `kgdb_arch_init':
>> arch/x86/kernel/kgdb.c:416: undefined reference to `execmem_alloc'


vim +416 arch/x86/kernel/kgdb.c

   410  
   411  static int kgdb_init_trampolines(void)
   412  {
   413          /* FIXME: We should reserve enough space for all breakpoints
   414             or make the trampoline table dynamic somehow.. */
   415          /* FIXME: Currently borrowing EXECMEM_KPROBES */
 > 416          kgdb_trampoline_page = execmem_alloc(EXECMEM_KPROBES, 
 > PAGE_SIZE);
   417          if (!kgdb_trampoline_page)
   418                  return 1;
   419          memset(kgdb_trampoline_page, INT3_INSN_OPCODE, PAGE_SIZE);
   420          set_memory_rox((unsigned long)kgdb_trampoline_page, 1);
   421          kgdb_trampoline_page_curr_slot = kgdb_trampoline_page;
   422          return 0;
   423  }
   424  

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


_______________________________________________
Kgdb-bugreport mailing list
Kgdb-bugreport@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport

Reply via email to