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Subject[intel-tdx:guest-hardening-rebased 11/36] arch/x86/coco/tdx/tdx.c:298:14: sparse: sparse: symbol 'tdx_write_msr' was not declared. Should it be static?
tree:   https://github.com/intel/tdx.git guest-hardening-rebased
head: d941f409a509c084250b50a3b5fc1c3c84a596a0
commit: a9189da9f0413f85d9072894ccb973cf785d2c0d [11/36] x86/tdx: Use direct paravirt call for wrmsrl
config: x86_64-randconfig-s022 (https://download.01.org/0day-ci/archive/20220827/202208271745.SPAzpPNc-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://github.com/intel/tdx/commit/a9189da9f0413f85d9072894ccb973cf785d2c0d
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx guest-hardening-rebased
git checkout a9189da9f0413f85d9072894ccb973cf785d2c0d
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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>

sparse warnings: (new ones prefixed by >>)
>> arch/x86/coco/tdx/tdx.c:298:14: sparse: sparse: symbol 'tdx_write_msr' was not declared. Should it be static?

vim +/tdx_write_msr +298 arch/x86/coco/tdx/tdx.c

297
> 298 void notrace tdx_write_msr(unsigned int msr, u32 low, u32 high)
299 {
300 struct tdx_hypercall_args args = {
301 .r10 = TDX_HYPERCALL_STANDARD,
302 .r11 = hcall_func(EXIT_REASON_MSR_WRITE),
303 .r12 = msr,
304 .r13 = (u64)high << 32 | low,
305 };
306
307 if (tdx_fast_tdcall_path_msr(msr))
308 __tdx_hypercall(&args, 0);
309 else
310 native_write_msr(msr, low, high);
311 }
312

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

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