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Subject[intel-tdx:guest-hardening-rebased 13/36] arch/x86/coco/tdx/tdx.c:531:15: warning: no previous prototype for 'tdx_mmio_readq'
arch/x86/coco/tdx/tdx.c
tree: https://github.com/intel/tdx.git guest-hardening-rebased
head: d941f409a509c084250b50a3b5fc1c3c84a596a0
commit: 0cf382195475412201e134e2925bb276445a8460 [13/36] x86/tdx: Enable direct iomap MMIO optimizations
config: x86_64-randconfig-a013 (https://download.01.org/0day-ci/archive/20220820/202208200852.sY5wUNQo-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel/tdx/commit/0cf382195475412201e134e2925bb276445a8460
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx guest-hardening-rebased
git checkout 0cf382195475412201e134e2925bb276445a8460
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/coco/tdx/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

arch/x86/coco/tdx/tdx.c:298:14: warning: no previous prototype for 'tdx_write_msr' [-Wmissing-prototypes]
298 | void notrace tdx_write_msr(unsigned int msr, u32 low, u32 high)
| ^~~~~~~~~~~~~
>> arch/x86/coco/tdx/tdx.c:531:15: warning: no previous prototype for 'tdx_mmio_readq' [-Wmissing-prototypes]
531 | unsigned long tdx_mmio_readq(void __iomem* addr)
| ^~~~~~~~~~~~~~


vim +/tdx_mmio_readq +531 arch/x86/coco/tdx/tdx.c

530
> 531 unsigned long tdx_mmio_readq(void __iomem* addr)
532 {
533 unsigned long val;
534
535 if (tdx_virt_mmio(8, false, (unsigned long)addr, &val))
536 return 0xffffffffffffffff;
537 return val;
538 }
539

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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