[PATCH kernel] KVM: PPC: Book3s: Remove real mode interrupt controller hcalls handlers

[kernel test robot]

Hi Alexey,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/topic/ppc-kvm]
[also build test ERROR on v5.18-rc6 next-20220512]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Alexey-Kardashevskiy/KVM-PPC-Book3s-Remove-real-mode-interrupt-controller-hcalls-handlers/20220509-151356
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm
config: powerpc64-defconfig (https://download.01.org/0day-ci/archive/20220513/202205130131.pJEWLeCR-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 11.3.0
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
        # https://github.com/intel-lab-lkp/linux/commit/5689429d96c7921451769fa24e3d037147c7da11
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Alexey-Kardashevskiy/KVM-PPC-Book3s-Remove-real-mode-interrupt-controller-hcalls-handlers/20220509-151356
        git checkout 5689429d96c7921451769fa24e3d037147c7da11
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kvm/

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

All errors (new ones prefixed by >>):

>> arch/powerpc/kvm/book3s_hv_rm_xics.c:482:15: error: no previous prototype for 'xics_rm_h_xirr_x' [-Werror=missing-prototypes]
     482 | unsigned long xics_rm_h_xirr_x(struct kvm_vcpu *vcpu)
         |               ^~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/xics_rm_h_xirr_x +482 arch/powerpc/kvm/book3s_hv_rm_xics.c

   481	
 > 482	unsigned long xics_rm_h_xirr_x(struct kvm_vcpu *vcpu)
   483	{
   484		vcpu->arch.regs.gpr[5] = get_tb();
   485		return xics_rm_h_xirr(vcpu);
   486	}
   487	

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