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Message-ID: <202210221713.s0tiA2Jl-lkp@intel.com>
Date:   Sat, 22 Oct 2022 17:09:29 +0800
From:   kernel test robot <lkp@...el.com>
To:     Andi Kleen <ak@...ux.intel.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: [intel-tdx:guest-hardening-rebased 13/39]
 arch/x86/coco/tdx/tdx.c:531:15: sparse: sparse: symbol 'tdx_mmio_readq' was
 not declared. Should it be static?

tree:   https://github.com/intel/tdx.git guest-hardening-rebased
head:   a776cd6bccecbc2d28182725dc9ad4788df6cb65
commit: 5442303a33dba3c23478eb8ef347b9ce3e0bae7a [13/39] x86/tdx: Enable direct iomap MMIO optimizations
config: x86_64-randconfig-s021
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel/tdx/commit/5442303a33dba3c23478eb8ef347b9ce3e0bae7a
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx guest-hardening-rebased
        git checkout 5442303a33dba3c23478eb8ef347b9ce3e0bae7a
        # 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@...el.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?
>> arch/x86/coco/tdx/tdx.c:531:15: sparse: sparse: symbol 'tdx_mmio_readq' was not declared. Should it be static?

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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