linux-kernel - arch/powerpc/kvm/powerpc.c:1061:9: error: implicit declaration of function 'kvmppc_get_vsx_vr'; did you mean 'kvmppc_get

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Message-ID: <202409251011.k4Av657k-lkp@intel.com>
Date: Wed, 25 Sep 2024 10:26:14 +0800
From: kernel test robot <lkp@...el.com>
To: Jordan Niethe <jniethe5@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Michael Ellerman <mpe@...erman.id.au>,
	Gautam Menghani <gautam@...ux.ibm.com>
Subject: arch/powerpc/kvm/powerpc.c:1061:9: error: implicit declaration of
 function 'kvmppc_get_vsx_vr'; did you mean 'kvmppc_get_sr'?

Hi Jordan,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   684a64bf32b6e488004e0ad7f0d7e922798f65b6
commit: 52425a3b3c11cec58cf66e4c897fc1504f3911a9 KVM: PPC: Introduce FPR/VR accessor functions
date:   1 year ago
config: powerpc64-randconfig-003-20240925 (https://download.01.org/0day-ci/archive/20240925/202409251011.k4Av657k-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240925/202409251011.k4Av657k-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409251011.k4Av657k-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/powerpc/kvm/powerpc.c: In function 'kvmppc_set_vmx_dword':
>> arch/powerpc/kvm/powerpc.c:1061:9: error: implicit declaration of function 'kvmppc_get_vsx_vr'; did you mean 'kvmppc_get_sr'? [-Wimplicit-function-declaration]
    1061 |         kvmppc_get_vsx_vr(vcpu, index, &val.vval);
         |         ^~~~~~~~~~~~~~~~~
         |         kvmppc_get_sr
>> arch/powerpc/kvm/powerpc.c:1063:9: error: implicit declaration of function 'kvmppc_set_vsx_vr'; did you mean 'kvmppc_set_sr'? [-Wimplicit-function-declaration]
    1063 |         kvmppc_set_vsx_vr(vcpu, index, &val.vval);
         |         ^~~~~~~~~~~~~~~~~
         |         kvmppc_set_sr
   In file included from arch/powerpc/kvm/powerpc.c:25:
   arch/powerpc/kvm/powerpc.c: In function 'kvm_vcpu_ioctl_get_one_reg':
>> arch/powerpc/kvm/powerpc.c:1729:52: error: implicit declaration of function 'kvmppc_get_vscr'; did you mean 'kvmppc_get_sr'? [-Wimplicit-function-declaration]
    1729 |                         val = get_reg_val(reg->id, kvmppc_get_vscr(vcpu));
         |                                                    ^~~~~~~~~~~~~~~
   arch/powerpc/include/asm/kvm_ppc.h:412:29: note: in definition of macro 'get_reg_val'
     412 |         case 4: __u.wval = (reg); break;        \
         |                             ^~~
   arch/powerpc/kvm/powerpc.c: In function 'kvm_vcpu_ioctl_set_one_reg':
>> arch/powerpc/kvm/powerpc.c:1780:25: error: implicit declaration of function 'kvmppc_set_vscr'; did you mean 'kvmppc_set_sr'? [-Wimplicit-function-declaration]
    1780 |                         kvmppc_set_vscr(vcpu, set_reg_val(reg->id, val));
         |                         ^~~~~~~~~~~~~~~
         |                         kvmppc_set_sr


vim +1061 arch/powerpc/kvm/powerpc.c

  1048	
  1049	
  1050	static inline void kvmppc_set_vmx_dword(struct kvm_vcpu *vcpu,
  1051		u64 gpr)
  1052	{
  1053		union kvmppc_one_reg val;
  1054		int offset = kvmppc_get_vmx_dword_offset(vcpu,
  1055				vcpu->arch.mmio_vmx_offset);
  1056		int index = vcpu->arch.io_gpr & KVM_MMIO_REG_MASK;
  1057	
  1058		if (offset == -1)
  1059			return;
  1060	
> 1061		kvmppc_get_vsx_vr(vcpu, index, &val.vval);
  1062		val.vsxval[offset] = gpr;
> 1063		kvmppc_set_vsx_vr(vcpu, index, &val.vval);
  1064	}
  1065	

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