[linux-next:master 11599/13831] arch/powerpc/mm/book3s64/radix_tlb.c:418:20: error: unused function '_tlbie_pid_lpid'

[linux-next:master 11599/13831] arch/powerpc/mm/book3s64/radix_tlb.c:418:20: error: unused function '_tlbie_pid_lpid'

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 5651 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   3579aa488520feeda433ceca23ef4704bf8cd280
commit: a736143afd036f2078fe19435b16fd55abc789a9 [11599/13831] Merge branch 'topic/ppc-kvm' into next
config: powerpc-randconfig-r004-20210628 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 4c92e31dd0f1bd152eda883af20ff7fbcaa14945)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=a736143afd036f2078fe19435b16fd55abc789a9
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout a736143afd036f2078fe19435b16fd55abc789a9
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

>> arch/powerpc/mm/book3s64/radix_tlb.c:418:20: error: unused function '_tlbie_pid_lpid' [-Werror,-Wunused-function]
   static inline void _tlbie_pid_lpid(unsigned long pid, unsigned long lpid,
                      ^
>> arch/powerpc/mm/book3s64/radix_tlb.c:662:20: error: unused function '_tlbie_va_range_lpid' [-Werror,-Wunused-function]
   static inline void _tlbie_va_range_lpid(unsigned long start, unsigned long end,
                      ^
   2 errors generated.


vim +/_tlbie_pid_lpid +418 arch/powerpc/mm/book3s64/radix_tlb.c

1a472c9dba6b96 arch/powerpc/mm/tlb-radix.c          Aneesh Kumar K.V 2016-04-29  417  
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21 @418  static inline void _tlbie_pid_lpid(unsigned long pid, unsigned long lpid,
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  419  				   unsigned long ric)
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  420  {
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  421  	asm volatile("ptesync" : : : "memory");
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  422  
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  423  	/*
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  424  	 * Workaround the fact that the "ric" argument to __tlbie_pid
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  425  	 * must be a compile-time contraint to match the "i" constraint
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  426  	 * in the asm statement.
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  427  	 */
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  428  	switch (ric) {
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  429  	case RIC_FLUSH_TLB:
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  430  		__tlbie_pid_lpid(pid, lpid, RIC_FLUSH_TLB);
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  431  		fixup_tlbie_pid_lpid(pid, lpid);
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  432  		break;
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  433  	case RIC_FLUSH_PWC:
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  434  		__tlbie_pid_lpid(pid, lpid, RIC_FLUSH_PWC);
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  435  		break;
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  436  	case RIC_FLUSH_ALL:
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  437  	default:
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  438  		__tlbie_pid_lpid(pid, lpid, RIC_FLUSH_ALL);
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  439  		fixup_tlbie_pid_lpid(pid, lpid);
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  440  	}
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  441  	asm volatile("eieio; tlbsync; ptesync" : : : "memory");
f0c6fbbb90504f arch/powerpc/mm/book3s64/radix_tlb.c Bharata B Rao    2021-06-21  442  }
2275d7b5754a57 arch/powerpc/mm/book3s64/radix_tlb.c Nicholas Piggin  2019-09-03  443  struct tlbiel_pid {
2275d7b5754a57 arch/powerpc/mm/book3s64/radix_tlb.c Nicholas Piggin  2019-09-03  444  	unsigned long pid;
2275d7b5754a57 arch/powerpc/mm/book3s64/radix_tlb.c Nicholas Piggin  2019-09-03  445  	unsigned long ric;
2275d7b5754a57 arch/powerpc/mm/book3s64/radix_tlb.c Nicholas Piggin  2019-09-03  446  };
2275d7b5754a57 arch/powerpc/mm/book3s64/radix_tlb.c Nicholas Piggin  2019-09-03  447  

:::::: The code at line 418 was first introduced by commit
:::::: f0c6fbbb90504fb7e9dbf0865463d3c2b4de49e5 KVM: PPC: Book3S HV: Add support for H_RPT_INVALIDATE

:::::: TO: Bharata B Rao <bharata@linux.ibm.com>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 24581 bytes --]