Re: [PATCH] kexec: allow KEXEC_HANDOVER to build with COMPILE_TEST

[kernel test robot <lkp@intel.com>]

Hi Sasha,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.19-rc8 next-20260204]
[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/Sasha-Levin/kexec-allow-KEXEC_HANDOVER-to-build-with-COMPILE_TEST/20260205-023202
base:   linus/master
patch link:    https://lore.kernel.org/r/20260204182816.2463931-1-sashal%40kernel.org
patch subject: [PATCH] kexec: allow KEXEC_HANDOVER to build with COMPILE_TEST
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20260205/202602051021.dhUjHKwO-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260205/202602051021.dhUjHKwO-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602051021.dhUjHKwO-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

>> mm/memfd_luo.c:316:10: warning: format specifies type 'unsigned long long' but the argument has type 'phys_addr_t' (aka 'unsigned int') [-Wformat]
     315 |                         pr_warn_ratelimited("Unable to restore folio at physical address: %llx\n",
         |                                                                                           ~~~~
         |                                                                                           %x
     316 |                                             phys);
         |                                             ^~~~
   include/linux/printk.h:722:49: note: expanded from macro 'pr_warn_ratelimited'
     722 |         printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
         |                                                ~~~     ^~~~~~~~~~~
   include/linux/printk.h:706:17: note: expanded from macro 'printk_ratelimited'
     706 |                 printk(fmt, ##__VA_ARGS__);                             \
         |                        ~~~    ^~~~~~~~~~~
   include/linux/printk.h:512:60: note: expanded from macro 'printk'
     512 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
         |                                                     ~~~    ^~~~~~~~~~~
   include/linux/printk.h:484:19: note: expanded from macro 'printk_index_wrap'
     484 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ~~~~    ^~~~~~~~~~~
   mm/memfd_luo.c:372:11: warning: format specifies type 'unsigned long long' but the argument has type 'phys_addr_t' (aka 'unsigned int') [-Wformat]
     371 |                         pr_err("Unable to restore folio at physical address: %llx\n",
         |                                                                              ~~~~
         |                                                                              %x
     372 |                                phys);
         |                                ^~~~
   include/linux/printk.h:555:33: note: expanded from macro 'pr_err'
     555 |         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
         |                                ~~~     ^~~~~~~~~~~
   include/linux/printk.h:512:60: note: expanded from macro 'printk'
     512 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
         |                                                     ~~~    ^~~~~~~~~~~
   include/linux/printk.h:484:19: note: expanded from macro 'printk_index_wrap'
     484 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ~~~~    ^~~~~~~~~~~
   2 warnings generated.
--
>> kernel/liveupdate/kexec_handover.c:25:10: fatal error: 'asm/early_ioremap.h' file not found
      25 | #include <asm/early_ioremap.h>
         |          ^~~~~~~~~~~~~~~~~~~~~
   1 error generated.
--
>> kernel/liveupdate/kexec_handover_debugfs.c:99:29: warning: format specifies type 'unsigned long long' but the argument has type 'phys_addr_t' (aka 'unsigned int') [-Wformat]
      99 |                 seq_printf(m, "0x%llx\n", kho_scratch[i].addr);
         |                                  ~~~~     ^~~~~~~~~~~~~~~~~~~
         |                                  %x
   kernel/liveupdate/kexec_handover_debugfs.c:108:29: warning: format specifies type 'unsigned long long' but the argument has type 'phys_addr_t' (aka 'unsigned int') [-Wformat]
     108 |                 seq_printf(m, "0x%llx\n", kho_scratch[i].size);
         |                                  ~~~~     ^~~~~~~~~~~~~~~~~~~
         |                                  %x
   2 warnings generated.


vim +25 kernel/liveupdate/kexec_handover.c

c609c144b0e8db kernel/kexec_handover.c Alexander Graf 2025-05-09  24  
c609c144b0e8db kernel/kexec_handover.c Alexander Graf 2025-05-09 @25  #include <asm/early_ioremap.h>
c609c144b0e8db kernel/kexec_handover.c Alexander Graf 2025-05-09  26  

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