From: kernel test robot <lkp@intel.com>
To: Andi Kleen <ak@linux.intel.com>
Cc: oe-kbuild-all@lists.linux.dev,
Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@linux.intel.com>
Subject: [intel-tdx:guest 97/136] arch/x86/include/asm/paravirt.h:120:38: sparse: sparse: cast truncates bits from constant value (c000000000000000 becomes 0)
Date: Sat, 2 Sep 2023 09:13:13 +0800 [thread overview]
Message-ID: <202309020935.Rbazprcl-lkp@intel.com> (raw)
tree: https://github.com/intel/tdx.git guest
head: f3d7a7e86bf2f0d5ce629f2fb7be11dca88ac06d
commit: c34bfda30e18342b8ae7856fd59b76e9ca938460 [97/136] x86/tdx/paravirt: Move wrmsrl outside PARAVIRT_XXL
config: i386-randconfig-061-20230902 (https://download.01.org/0day-ci/archive/20230902/202309020935.Rbazprcl-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/20230902/202309020935.Rbazprcl-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309020935.Rbazprcl-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
drivers/hv/vmbus_drv.c: note: in included file (through arch/x86/include/asm/msr.h, arch/x86/include/asm/processor.h, arch/x86/include/asm/timex.h, ...):
>> arch/x86/include/asm/paravirt.h:120:38: sparse: sparse: cast truncates bits from constant value (c000000000000000 becomes 0)
vim +120 arch/x86/include/asm/paravirt.h
117
118 static inline void wrmsrl(unsigned msr, u64 val)
119 {
> 120 paravirt_write_msr(msr, (u32)val, (u32)(val>>32));
121 }
122
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2023-09-02 1:14 UTC|newest]
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