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* arch/mips/include/asm/mipsregs.h:2791:3: error: instruction requires a CPU feature not currently enabled
@ 2023-12-11 17:39 kernel test robot
  2023-12-11 21:36 ` Nick Desaulniers
  0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2023-12-11 17:39 UTC (permalink / raw)
  To: Nick Desaulniers
  Cc: llvm, oe-kbuild-all, linux-kernel, Masahiro Yamada,
	Nathan Chancellor

Hi Nick,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a39b6ac3781d46ba18193c9dbb2110f31e9bffe9
commit: f12b034afeb3a977bbb1c6584dedc0f3dc666f14 scripts/Makefile.clang: default to LLVM_IAS=1
date:   2 years, 4 months ago
config: mips-malta_kvm_defconfig (https://download.01.org/0day-ci/archive/20231212/202312120116.CP1IYKWT-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231212/202312120116.CP1IYKWT-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/202312120116.CP1IYKWT-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/mips/kvm/tlb.c:13:
   In file included from include/linux/sched.h:12:
   In file included from ./arch/mips/include/generated/asm/current.h:1:
   In file included from include/asm-generic/current.h:5:
   In file included from include/linux/thread_info.h:14:
   In file included from include/linux/restart_block.h:10:
   In file included from include/linux/time64.h:5:
   In file included from include/linux/math64.h:6:
   In file included from include/linux/math.h:5:
   In file included from arch/mips/include/asm/div64.h:89:
   In file included from include/asm-generic/div64.h:55:
   In file included from include/linux/log2.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/mips/include/asm/bitops.h:19:
   In file included from arch/mips/include/asm/barrier.h:11:
   In file included from arch/mips/include/asm/addrspace.h:13:
   In file included from arch/mips/include/asm/mach-malta/spaces.h:44:
   In file included from arch/mips/include/asm/mach-generic/spaces.h:15:
>> arch/mips/include/asm/mipsregs.h:2791:3: error: instruction requires a CPU feature not currently enabled
                   _ASM_SET_VIRT
                   ^
   arch/mips/include/asm/mipsregs.h:2073:36: note: expanded from macro '_ASM_SET_VIRT'
   #define _ASM_SET_VIRT ".set\tvirt\n\t"
                                      ^
   <inline asm>:4:2: note: instantiated into assembly here
           tlbgp
           ^
   In file included from arch/mips/kvm/tlb.c:13:
   In file included from include/linux/sched.h:12:
   In file included from ./arch/mips/include/generated/asm/current.h:1:
   In file included from include/asm-generic/current.h:5:
   In file included from include/linux/thread_info.h:14:
   In file included from include/linux/restart_block.h:10:
   In file included from include/linux/time64.h:5:
   In file included from include/linux/math64.h:6:
   In file included from include/linux/math.h:5:
   In file included from arch/mips/include/asm/div64.h:89:
   In file included from include/asm-generic/div64.h:55:
   In file included from include/linux/log2.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/mips/include/asm/bitops.h:19:
   In file included from arch/mips/include/asm/barrier.h:11:
   In file included from arch/mips/include/asm/addrspace.h:13:
   In file included from arch/mips/include/asm/mach-malta/spaces.h:44:
   In file included from arch/mips/include/asm/mach-generic/spaces.h:15:
   arch/mips/include/asm/mipsregs.h:2801:3: error: instruction requires a CPU feature not currently enabled
                   _ASM_SET_VIRT
                   ^
   arch/mips/include/asm/mipsregs.h:2073:36: note: expanded from macro '_ASM_SET_VIRT'
   #define _ASM_SET_VIRT ".set\tvirt\n\t"
                                      ^
   <inline asm>:4:2: note: instantiated into assembly here
           tlbgr
           ^
   In file included from arch/mips/kvm/tlb.c:13:
   In file included from include/linux/sched.h:12:
   In file included from ./arch/mips/include/generated/asm/current.h:1:
   In file included from include/asm-generic/current.h:5:
   In file included from include/linux/thread_info.h:14:
   In file included from include/linux/restart_block.h:10:
   In file included from include/linux/time64.h:5:
   In file included from include/linux/math64.h:6:
   In file included from include/linux/math.h:5:
   In file included from arch/mips/include/asm/div64.h:89:
   In file included from include/asm-generic/div64.h:55:
   In file included from include/linux/log2.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/mips/include/asm/bitops.h:19:
   In file included from arch/mips/include/asm/barrier.h:11:
   In file included from arch/mips/include/asm/addrspace.h:13:
   In file included from arch/mips/include/asm/mach-malta/spaces.h:44:
   In file included from arch/mips/include/asm/mach-generic/spaces.h:15:
   arch/mips/include/asm/mipsregs.h:2811:3: error: instruction requires a CPU feature not currently enabled
                   _ASM_SET_VIRT
                   ^
   arch/mips/include/asm/mipsregs.h:2073:36: note: expanded from macro '_ASM_SET_VIRT'
   #define _ASM_SET_VIRT ".set\tvirt\n\t"
                                      ^
   <inline asm>:4:2: note: instantiated into assembly here
           tlbgwi
           ^
   In file included from arch/mips/kvm/tlb.c:13:
   In file included from include/linux/sched.h:12:
   In file included from ./arch/mips/include/generated/asm/current.h:1:
   In file included from include/asm-generic/current.h:5:
   In file included from include/linux/thread_info.h:14:
   In file included from include/linux/restart_block.h:10:
   In file included from include/linux/time64.h:5:
   In file included from include/linux/math64.h:6:
   In file included from include/linux/math.h:5:
   In file included from arch/mips/include/asm/div64.h:89:
   In file included from include/asm-generic/div64.h:55:
   In file included from include/linux/log2.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/mips/include/asm/bitops.h:19:
   In file included from arch/mips/include/asm/barrier.h:11:
   In file included from arch/mips/include/asm/addrspace.h:13:
   In file included from arch/mips/include/asm/mach-malta/spaces.h:44:
   In file included from arch/mips/include/asm/mach-generic/spaces.h:15:
   arch/mips/include/asm/mipsregs.h:2801:3: error: instruction requires a CPU feature not currently enabled
                   _ASM_SET_VIRT
                   ^
   arch/mips/include/asm/mipsregs.h:2073:36: note: expanded from macro '_ASM_SET_VIRT'
   #define _ASM_SET_VIRT ".set\tvirt\n\t"
                                      ^
   <inline asm>:4:2: note: instantiated into assembly here
           tlbgr
           ^
   In file included from arch/mips/kvm/tlb.c:13:
   In file included from include/linux/sched.h:12:
   In file included from ./arch/mips/include/generated/asm/current.h:1:
   In file included from include/asm-generic/current.h:5:
   In file included from include/linux/thread_info.h:14:
   In file included from include/linux/restart_block.h:10:
   In file included from include/linux/time64.h:5:
   In file included from include/linux/math64.h:6:
   In file included from include/linux/math.h:5:
   In file included from arch/mips/include/asm/div64.h:89:
   In file included from include/asm-generic/div64.h:55:


vim +2791 arch/mips/include/asm/mipsregs.h

^1da177e4c3f41 include/asm-mips/mipsregs.h      Linus Torvalds 2005-04-16  2780  
^1da177e4c3f41 include/asm-mips/mipsregs.h      Linus Torvalds 2005-04-16  2781  /*
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2782   * Guest TLB operations.
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2783   *
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2784   * It is responsibility of the caller to take care of any TLB hazards.
^1da177e4c3f41 include/asm-mips/mipsregs.h      Linus Torvalds 2005-04-16  2785   */
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2786  static inline void guest_tlb_probe(void)
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2787  {
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2788  	__asm__ __volatile__(
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2789  		".set push\n\t"
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2790  		".set noreorder\n\t"
00b4eb408aaff2 arch/mips/include/asm/mipsregs.h James Hogan    2017-11-22 @2791  		_ASM_SET_VIRT
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2792  		"tlbgp\n\t"
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2793  		".set pop");
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2794  }
7eb91118227d71 arch/mips/include/asm/mipsregs.h James Hogan    2016-05-11  2795  

:::::: The code at line 2791 was first introduced by commit
:::::: 00b4eb408aaff21aeb806de24c5ff25b398083a4 MIPS: VZ: Update helpers to use new asm macros

:::::: TO: James Hogan <jhogan@kernel.org>
:::::: CC: James Hogan <jhogan@kernel.org>

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

^ permalink raw reply	[flat|nested] 2+ messages in thread
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