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SubjectRe: [PATCH] x86/hyperv: Remove hv_vtl_early_init initcall
Hi Saurabh,

kernel test robot noticed the following build warnings:

[auto build test WARNING on v6.6-rc2]
[also build test WARNING on linus/master next-20230920]
[cannot apply to tip/x86/core]
[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/Saurabh-Sengar/x86-hyperv-Remove-hv_vtl_early_init-initcall/20230920-125357
base: v6.6-rc2
patch link: https://lore.kernel.org/r/1695185552-19910-1-git-send-email-ssengar%40linux.microsoft.com
patch subject: [PATCH] x86/hyperv: Remove hv_vtl_early_init initcall
config: i386-tinyconfig (https://download.01.org/0day-ci/archive/20230920/202309201327.J4pfXnUv-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/20230920/202309201327.J4pfXnUv-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 <yujie.liu@intel.com>
| Closes: https://lore.kernel.org/r/202309201327.J4pfXnUv-lkp@intel.com/

All warnings (new ones prefixed by >>):

In file included from arch/x86/mm/pat/set_memory.c:36:
arch/x86/include/asm/mshyperv.h: In function 'hv_vtl_early_init':
arch/x86/include/asm/mshyperv.h:346:1: error: no return statement in function returning non-void [-Werror=return-type]
346 | static int __init hv_vtl_early_init(void) {}
| ^~~~~~
arch/x86/include/asm/mshyperv.h: At top level:
>> arch/x86/include/asm/mshyperv.h:346:19: warning: 'hv_vtl_early_init' defined but not used [-Wunused-function]
346 | static int __init hv_vtl_early_init(void) {}
| ^~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors


vim +/hv_vtl_early_init +346 arch/x86/include/asm/mshyperv.h

79cadff2d92bb8 Vitaly Kuznetsov 2017-08-02 339
765e33f5211ab6 Michael Kelley 2019-05-30 340
3be1bc2fe9d2e4 Saurabh Sengar 2023-04-10 341 #ifdef CONFIG_HYPERV_VTL_MODE
3be1bc2fe9d2e4 Saurabh Sengar 2023-04-10 342 void __init hv_vtl_init_platform(void);
9081cfc5d0e7fa Saurabh Sengar 2023-09-19 343 int __init hv_vtl_early_init(void);
3be1bc2fe9d2e4 Saurabh Sengar 2023-04-10 344 #else
3be1bc2fe9d2e4 Saurabh Sengar 2023-04-10 345 static inline void __init hv_vtl_init_platform(void) {}
9081cfc5d0e7fa Saurabh Sengar 2023-09-19 @346 static int __init hv_vtl_early_init(void) {}
3be1bc2fe9d2e4 Saurabh Sengar 2023-04-10 347 #endif
3be1bc2fe9d2e4 Saurabh Sengar 2023-04-10 348

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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