[intel-tdx:guest-kexec 6/13] arch/x86/hyperv/ivm.c:611:53: error: assignment to 'int (*)(long unsigned int, int, bool)' {aka 'int (*)(long unsigned int, int, _Bool)'} from incompatible pointer type 'bool (*)(long unsigned int, int, bool)' {aka '_Bool (*)(long unsigned int, int...

[intel-tdx:guest-kexec 6/13] arch/x86/hyperv/ivm.c:611:53: error: assignment to 'int (*)(long unsigned int, int, bool)' {aka 'int (*)(long unsigned int, int, _Bool)'} from incompatible pointer type 'bool (*)(long unsigned int, int, bool)' {aka '_Bool (*)(long unsigned int, int...

[kernel test robot]

tree:   https://github.com/intel/tdx.git guest-kexec
head:   34488d4fd2b299a51196e878575dd1e83cbbbc7f
commit: 5b0bf2c45e44dcbe901d262a72c26b2088b5719c [6/13] x86/mm: Make x86_platform.guest.enc_status_change_*() return errno
config: x86_64-randconfig-015-20230930 (https://download.01.org/0day-ci/archive/20230930/202309301607.LtdmAS2t-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/20230930/202309301607.LtdmAS2t-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/202309301607.LtdmAS2t-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/x86/hyperv/ivm.c: In function 'hv_vtom_init':
>> arch/x86/hyperv/ivm.c:611:53: error: assignment to 'int (*)(long unsigned int,  int,  bool)' {aka 'int (*)(long unsigned int,  int,  _Bool)'} from incompatible pointer type 'bool (*)(long unsigned int,  int,  bool)' {aka '_Bool (*)(long unsigned int,  int,  _Bool)'} [-Werror=incompatible-pointer-types]
     611 |         x86_platform.guest.enc_status_change_finish = hv_vtom_set_host_visibility;
         |                                                     ^
   cc1: some warnings being treated as errors


vim +611 arch/x86/hyperv/ivm.c

d3a9d7e49d1531 Dexuan Cui     2023-08-24  596  
d3a9d7e49d1531 Dexuan Cui     2023-08-24  597  	case HV_ISOLATION_TYPE_TDX:
d3a9d7e49d1531 Dexuan Cui     2023-08-24  598  		cc_vendor = CC_VENDOR_INTEL;
d3a9d7e49d1531 Dexuan Cui     2023-08-24  599  		break;
d3a9d7e49d1531 Dexuan Cui     2023-08-24  600  
d3a9d7e49d1531 Dexuan Cui     2023-08-24  601  	default:
d3a9d7e49d1531 Dexuan Cui     2023-08-24  602  		panic("hv_vtom_init: unsupported isolation type %d\n", type);
d3a9d7e49d1531 Dexuan Cui     2023-08-24  603  	}
d3a9d7e49d1531 Dexuan Cui     2023-08-24  604  
812b0597fb4043 Michael Kelley 2023-03-26  605  	cc_set_mask(ms_hyperv.shared_gpa_boundary);
812b0597fb4043 Michael Kelley 2023-03-26  606  	physical_mask &= ms_hyperv.shared_gpa_boundary - 1;
812b0597fb4043 Michael Kelley 2023-03-26  607  
812b0597fb4043 Michael Kelley 2023-03-26  608  	x86_platform.hyper.is_private_mmio = hv_is_private_mmio;
812b0597fb4043 Michael Kelley 2023-03-26  609  	x86_platform.guest.enc_cache_flush_required = hv_vtom_cache_flush_required;
812b0597fb4043 Michael Kelley 2023-03-26  610  	x86_platform.guest.enc_tlb_flush_required = hv_vtom_tlb_flush_required;
812b0597fb4043 Michael Kelley 2023-03-26 @611  	x86_platform.guest.enc_status_change_finish = hv_vtom_set_host_visibility;
c957f1f3c498bc Juergen Gross  2023-05-02  612  
c957f1f3c498bc Juergen Gross  2023-05-02  613  	/* Set WB as the default cache mode. */
c957f1f3c498bc Juergen Gross  2023-05-02  614  	mtrr_overwrite_state(NULL, 0, MTRR_TYPE_WRBACK);
812b0597fb4043 Michael Kelley 2023-03-26  615  }
812b0597fb4043 Michael Kelley 2023-03-26  616  

:::::: The code at line 611 was first introduced by commit
:::::: 812b0597fb4043240724e4c7bed7ba1fe15c0e3f x86/hyperv: Change vTOM handling to use standard coco mechanisms

:::::: TO: Michael Kelley <mikelley@microsoft.com>
:::::: CC: Borislav Petkov (AMD) <bp@alien8.de>

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