Re: [PATCH] x86/boot/compressed: Fix signedness of rdfs8()

[kernel test robot]

Hi redacherkaoui,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/x86/core]
[also build test ERROR on tip/master linus/master v6.19 next-20260218]
[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/redacherkaoui/x86-boot-compressed-Fix-signedness-of-rdfs8/20260218-230616
base:   tip/x86/core
patch link:    https://lore.kernel.org/r/20260218150008.28179-1-redacherkaoui67%40gmail.com
patch subject: [PATCH] x86/boot/compressed: Fix signedness of rdfs8()
config: x86_64-randconfig-002-20260219 (https://download.01.org/0day-ci/archive/20260219/202602190815.lFBVk5IE-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260219/202602190815.lFBVk5IE-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602190815.lFBVk5IE-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined hidden symbol: get_cmd_line_ptr
   >>> referenced by ident_map_64.c
   >>>               arch/x86/boot/compressed/ident_map_64.o:(initialize_identity_maps)
   >>> referenced by kaslr.c
   >>>               arch/x86/boot/compressed/kaslr.o:(choose_random_location)
   >>> referenced by kaslr.c
   >>>               arch/x86/boot/compressed/kaslr.o:(choose_random_location)

-- 
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