[intel-tdx:kvm-upstream-workaround 111/144] arch/x86/kvm/vmx/tdx_stubs.c:14:6: warning: no previous prototype for function 'tdx_vm_teardown'

From: kernel test robot
Date: Fri Feb 11 2022 - 12:59:14 EST


tree: https://github.com/intel/tdx.git kvm-upstream-workaround
head: 8dfa492341b8e8ba1c9dc534dd55565adc1b0ac0
commit: 1942310bc36276289fa54bb8d077c394078c4b15 [111/144] KVM: TDX: Add methods to ignore accesses to CPU state
config: x86_64-randconfig-a014 (https://download.01.org/0day-ci/archive/20220211/202202112353.bT0JdIv7-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f6685f774697c85d6a352dcea013f46a99f9fe31)
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/tdx/commit/1942310bc36276289fa54bb8d077c394078c4b15
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx kvm-upstream-workaround
git checkout 1942310bc36276289fa54bb8d077c394078c4b15
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kvm/

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/x86/kvm/vmx/tdx_stubs.c:14:6: warning: no previous prototype for function 'tdx_vm_teardown' [-Wmissing-prototypes]
void tdx_vm_teardown(struct kvm *kvm) {}
^
arch/x86/kvm/vmx/tdx_stubs.c:14:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void tdx_vm_teardown(struct kvm *kvm) {}
^
static
arch/x86/kvm/vmx/tdx_stubs.c:38:5: warning: no previous prototype for function 'tdx_deliver_posted_interrupt' [-Wmissing-prototypes]
int tdx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector) { return 0; }
^
arch/x86/kvm/vmx/tdx_stubs.c:38:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int tdx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector) { return 0; }
^
static
2 warnings generated.


vim +/tdx_vm_teardown +14 arch/x86/kvm/vmx/tdx_stubs.c

12
13 int tdx_vm_init(struct kvm *kvm) { return -EOPNOTSUPP; }
> 14 void tdx_vm_teardown(struct kvm *kvm) {}
15

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