arch/arm64/kvm/va_layout.c:255:6: warning: no previous prototype for function 'kvm_get_kimage_voffset'

From: kernel test robot
Date: Sat Aug 14 2021 - 11:01:20 EST


Hi Marc,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dfa377c35d70c31139b1274ec49f87d380996c42
commit: 68b824e428c5fb5c3dc5ef80b1543e767534b58e KVM: arm64: Patch kimage_voffset instead of loading the EL1 value
date: 9 months ago
config: arm64-randconfig-r024-20210814 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1f7b25ea76a925aca690da28de9d78db7ca99d0c)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=68b824e428c5fb5c3dc5ef80b1543e767534b58e
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 68b824e428c5fb5c3dc5ef80b1543e767534b58e
# 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@xxxxxxxxx>

All warnings (new ones prefixed by >>):

arch/arm64/kvm/va_layout.c:138:6: warning: no previous prototype for function 'kvm_patch_vector_branch' [-Wmissing-prototypes]
void kvm_patch_vector_branch(struct alt_instr *alt,
^
arch/arm64/kvm/va_layout.c:138:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void kvm_patch_vector_branch(struct alt_instr *alt,
^
static
arch/arm64/kvm/va_layout.c:249:6: warning: no previous prototype for function 'kvm_update_kimg_phys_offset' [-Wmissing-prototypes]
void kvm_update_kimg_phys_offset(struct alt_instr *alt,
^
arch/arm64/kvm/va_layout.c:249:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void kvm_update_kimg_phys_offset(struct alt_instr *alt,
^
static
>> arch/arm64/kvm/va_layout.c:255:6: warning: no previous prototype for function 'kvm_get_kimage_voffset' [-Wmissing-prototypes]
void kvm_get_kimage_voffset(struct alt_instr *alt,
^
arch/arm64/kvm/va_layout.c:255:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void kvm_get_kimage_voffset(struct alt_instr *alt,
^
static
3 warnings generated.


vim +/kvm_get_kimage_voffset +255 arch/arm64/kvm/va_layout.c

254
> 255 void kvm_get_kimage_voffset(struct alt_instr *alt,

---
0-DAY CI Kernel Test Service, Intel Corporation
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Attachment: .config.gz
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