[intel-lts:6.6/dovetail-xenomai 11278/13313] arch/x86/include/asm/idtentry.h:490:49: error: '__sysvec_xen_hvm_callback' undeclared; did you mean 'sysvec_xen_hvm_callback'?

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

Hi Florian,

FYI, the error/warning still remains.

tree:   https://github.com/intel/linux-intel-lts.git 6.6/dovetail-xenomai
head:   8025dd14d72f1eee946ab67036c7a3a569861654
commit: 0a2bddb4a08e2bc9f2ba04a7b7acd99668d52a37 [11278/13313] x86: dovetail: Allow multiple HV guest extensions to be enabled
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20241126/202411260244.2CB28wmw-lkp@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/20241126/202411260244.2CB28wmw-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/202411260244.2CB28wmw-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/xen/events/events_base.c:45:
   arch/x86/include/asm/idtentry.h:269:20: error: function declaration isn't a prototype [-Werror=strict-prototypes]
     269 | static inline void pipeline_install_sysvec(vector, function) {}
         |                    ^~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/idtentry.h: In function 'pipeline_install_sysvec':
   arch/x86/include/asm/idtentry.h:269:20: warning: old-style function definition [-Wold-style-definition]
   arch/x86/include/asm/idtentry.h:269:20: error: type of 'vector' defaults to 'int' [-Werror=implicit-int]
   arch/x86/include/asm/idtentry.h:269:20: error: type of 'function' defaults to 'int' [-Werror=implicit-int]
   drivers/xen/events/events_base.c: In function 'xen_alloc_callback_vector':
>> arch/x86/include/asm/idtentry.h:490:49: error: '__sysvec_xen_hvm_callback' undeclared (first use in this function); did you mean 'sysvec_xen_hvm_callback'?
     490 |                 pipeline_install_sysvec(vector, __##function); \
         |                                                 ^~
   drivers/xen/events/events_base.c:2238:9: note: in expansion of macro 'sysvec_install'
    2238 |         sysvec_install(HYPERVISOR_CALLBACK_VECTOR, sysvec_xen_hvm_callback);
         |         ^~~~~~~~~~~~~~
   arch/x86/include/asm/idtentry.h:490:49: note: each undeclared identifier is reported only once for each function it appears in
     490 |                 pipeline_install_sysvec(vector, __##function); \
         |                                                 ^~
   drivers/xen/events/events_base.c:2238:9: note: in expansion of macro 'sysvec_install'
    2238 |         sysvec_install(HYPERVISOR_CALLBACK_VECTOR, sysvec_xen_hvm_callback);
         |         ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +490 arch/x86/include/asm/idtentry.h

   487	
   488	#define sysvec_install(vector, function)                       \
   489		{                                                      \
 > 490			pipeline_install_sysvec(vector, __##function); \
   491			alloc_intr_gate(vector, asm_##function);       \
   492		}
   493	

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