[intel-gvt-linux:topic/gvt-xengt 9/45] drivers/gpu/drm/i915/gvt/xengt.c:1457:17: error: initialization of 'void (*)(void *)' from incompatible pointer type 'void (*)(long unsigned int)'

[kbuild test robot]

tree:   https://github.com/intel/gvt-linux topic/gvt-xengt
head:   51807e294b7edf551b6976005440312974581311
commit: 828a102f730dacf2bf4cf4ee3f233daa1544d4ca [9/45] drm/i915/xengt: xengt moudule initial files
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-8 (Debian 8.2.0-20) 8.2.0
reproduce:
        git checkout 828a102f730dacf2bf4cf4ee3f233daa1544d4ca
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/gvt/xengt.c:59:16: sparse: warning: symbol 'gvt_ctrl_kobj' was not declared. Should it be static?
>> drivers/gpu/drm/i915/gvt/xengt.c:63:21: sparse: warning: symbol 'xengt_priv' was not declared. Should it be static?
>> drivers/gpu/drm/i915/gvt/xengt.c:112:24: sparse: warning: symbol 'xengt_kobj_sysfs_ops' was not declared. Should it be static?
>> drivers/gpu/drm/i915/gvt/xengt.c:274:5: sparse: warning: symbol 'xengt_sysfs_init' was not declared. Should it be static?
>> drivers/gpu/drm/i915/gvt/xengt.c:313:6: sparse: warning: symbol 'xengt_sysfs_del' was not declared. Should it be static?
>> drivers/gpu/drm/i915/gvt/xengt.c:1457:24: sparse: warning: incorrect type in initializer (incompatible argument 1 (different base types))
   drivers/gpu/drm/i915/gvt/xengt.c:1457:24: sparse:    expected void ( *detach_vgpu )( ... )
   drivers/gpu/drm/i915/gvt/xengt.c:1457:24: sparse:    got void ( * )( ... )
--
>> drivers/gpu/drm/i915/gvt/xengt.c:1457:17: error: initialization of 'void (*)(void *)' from incompatible pointer type 'void (*)(long unsigned int)' [-Werror=incompatible-pointer-types]
     .detach_vgpu = xengt_detach_vgpu,
                    ^~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/gvt/xengt.c:1457:17: note: (near initialization for 'xengt_mpt.detach_vgpu')
   cc1: some warnings being treated as errors

sparse warnings: (new ones prefixed by >>)

   drivers/gpu/drm/i915/gvt/xengt.c:59:16: sparse: warning: symbol 'gvt_ctrl_kobj' was not declared. Should it be static?
   drivers/gpu/drm/i915/gvt/xengt.c:63:21: sparse: warning: symbol 'xengt_priv' was not declared. Should it be static?
   drivers/gpu/drm/i915/gvt/xengt.c:112:24: sparse: warning: symbol 'xengt_kobj_sysfs_ops' was not declared. Should it be static?
   drivers/gpu/drm/i915/gvt/xengt.c:274:5: sparse: warning: symbol 'xengt_sysfs_init' was not declared. Should it be static?
   drivers/gpu/drm/i915/gvt/xengt.c:313:6: sparse: warning: symbol 'xengt_sysfs_del' was not declared. Should it be static?
   drivers/gpu/drm/i915/gvt/xengt.c:1457:24: sparse: warning: incorrect type in initializer (incompatible argument 1 (different base types))
>> drivers/gpu/drm/i915/gvt/xengt.c:1457:24: sparse:    expected void ( *detach_vgpu )( ... )
>> drivers/gpu/drm/i915/gvt/xengt.c:1457:24: sparse:    got void ( * )( ... )

vim +1457 drivers/gpu/drm/i915/gvt/xengt.c

  1450	
  1451	static struct intel_gvt_mpt xengt_mpt = {
  1452		//.detect_host = xengt_detect_host,
  1453		.type = INTEL_GVT_HYPERVISOR_XEN,
  1454		.host_init = xengt_host_init,
  1455		.host_exit = xengt_host_exit,
  1456		.attach_vgpu = xengt_attach_vgpu,
> 1457		.detach_vgpu = xengt_detach_vgpu,
  1458		.inject_msi = xengt_inject_msi,
  1459		.from_virt_to_mfn = xengt_virt_to_mfn,
  1460		.enable_page_track = xengt_page_track_add,
  1461		.disable_page_track = xengt_page_track_remove,
  1462		.read_gpa = xengt_read_gpa,
  1463		.write_gpa = xengt_write_gpa,
  1464		.gfn_to_mfn = xengt_gfn_to_pfn,
  1465		.map_gfn_to_mfn = xengt_map_gfn_to_mfn,
  1466		.set_trap_area = xengt_set_trap_area,
  1467	};
  1468	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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