Re: [PATCH -tip 3/5] x86/irq/32: Add ASM_CALL_CONSTRAINT to inline asm using CALL_NOSPEC

Re: [PATCH -tip 3/5] x86/irq/32: Add ASM_CALL_CONSTRAINT to inline asm using CALL_NOSPEC

[kernel test robot]

Hi Uros,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/x86/core]
[also build test ERROR on tip/auto-latest linus/master v6.14-rc5 next-20250304]
[cannot apply to tip/master]
[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/Uros-Bizjak/x86-irq-32-Add-missing-clobber-to-inline-asm/20250303-235755
base:   tip/x86/core
patch link:    https://lore.kernel.org/r/20250303155446.112769-3-ubizjak%40gmail.com
patch subject: [PATCH -tip 3/5] x86/irq/32: Add ASM_CALL_CONSTRAINT to inline asm using CALL_NOSPEC
config: i386-buildonly-randconfig-001-20250304 (https://download.01.org/0day-ci/archive/20250305/202503050046.Lv9cC1m9-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250305/202503050046.Lv9cC1m9-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/202503050046.Lv9cC1m9-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/x86/kernel/irq_32.c:62:10: error: expected ')'
      62 |                        COMMA(ASM_CALL_CONSTRAINT)
         |                        ^
   arch/x86/kernel/irq_32.c:102:10: error: expected ')'
     102 |                        COMMA(ASM_CALL_CONSTRAINT)
         |                        ^
   2 errors generated.


vim +62 arch/x86/kernel/irq_32.c

    54	
    55	static void call_on_stack(void *func, void *stack)
    56	{
    57		asm volatile("xchgl %[sp], %%esp\n"
    58			     CALL_NOSPEC
    59			     "movl %[sp], %%esp"
    60			     : [sp] "+b" (stack)
    61			     : [thunk_target] "D" (func)
  > 62			       COMMA(ASM_CALL_CONSTRAINT)
    63			     : "memory", "cc", "edx", "ecx", "eax");
    64	}
    65	

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