[thomas-weissschuh:b4/uapi-ucontext 2/2] ./usr/include/asm/ucontext.h:58:9: error: unknown type name 'stack_t'

[thomas-weissschuh:b4/uapi-ucontext 2/2] ./usr/include/asm/ucontext.h:58:9: error: unknown type name 'stack_t'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/thomas.weissschuh/linux.git b4/uapi-ucontext
head:   8cf410e00cbd455a58c0b306581463883bf7ab19
commit: 8587c5d9052001aac2c6506ea382fbd59e4ef184 [2/2] ucontext
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20260309/202603090229.3kVBAjjd-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260309/202603090229.3kVBAjjd-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/202603090229.3kVBAjjd-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
>> ./usr/include/asm/ucontext.h:58:9: error: unknown type name 'stack_t'
      58 |         stack_t                 uc_stack;
         |         ^~~~~~~
>> ./usr/include/asm/ucontext.h:59:33: error: field 'uc_mcontext' has incomplete type
      59 |         struct sigcontext       uc_mcontext;
         |                                 ^~~~~~~~~~~
>> ./usr/include/asm/ucontext.h:60:9: error: unknown type name 'sigset_t'
      60 |         sigset_t                uc_sigmask;
         |         ^~~~~~~~

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