[PATCH v3 08/15] arm64: kvm: Split hyp/switch.c to VHE/nVHE

kernel test robot lkp at intel.com
Thu Jun 25 01:03:33 EDT 2020

Hi David,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.8-rc2 next-20200624]
[cannot apply to kvmarm/next arm64/for-next/core arm-perf/for-next/perf]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in

url:    https://github.com/0day-ci/linux/commits/David-Brazdil/Split-off-nVHE-hyp-code/20200618-203230
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1b5044021070efa3259f3e9548dc35d1eb6aa844
config: arm64-randconfig-r021-20200624 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 8911a35180c6777188fefe0954a2451a2b91deaf)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

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

All warnings (new ones prefixed by >>):

>> arch/arm64/kvm/hyp/nvhe/switch.c:244:28: warning: no previous prototype for function 'hyp_panic' [-Wmissing-prototypes]
   void __hyp_text __noreturn hyp_panic(struct kvm_cpu_context *host_ctxt)
   arch/arm64/kvm/hyp/nvhe/switch.c:244:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __hyp_text __noreturn hyp_panic(struct kvm_cpu_context *host_ctxt)
   1 warning generated.

vim +/hyp_panic +244 arch/arm64/kvm/hyp/nvhe/switch.c

 > 244	void __hyp_text __noreturn hyp_panic(struct kvm_cpu_context *host_ctxt)

0-DAY CI Kernel Test Service, Intel Corporation
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