Hi "Adalbert, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on dc924b062488a0376aae41d3e0a27dc99f852a5e] url: https://github.com/0day-ci/linux/commits/Adalbert-Laz-r/VM-introspection/20201125-174530 base: dc924b062488a0376aae41d3e0a27dc99f852a5e config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/248beb976ebfd430c3535cc442d0ba198f1ab1d6 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Adalbert-Laz-r/VM-introspection/20201125-174530 git checkout 248beb976ebfd430c3535cc442d0ba198f1ab1d6 # save the attached .config to linux build tree make W=1 ARCH=x86_64 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/kvmi_msg.c: In function 'handle_vcpu_inject_exception': >> arch/x86/kvm/kvmi_msg.c:158:38: warning: variable 'arch' set but not used [-Wunused-but-set-variable] 158 | struct kvm_vcpu_arch_introspection *arch; | ^~~~ vim +/arch +158 arch/x86/kvm/kvmi_msg.c 152 153 static int handle_vcpu_inject_exception(const struct kvmi_vcpu_msg_job *job, 154 const struct kvmi_msg_hdr *msg, 155 const void *_req) 156 { 157 const struct kvmi_vcpu_inject_exception *req = _req; > 158 struct kvm_vcpu_arch_introspection *arch; 159 struct kvm_vcpu *vcpu = job->vcpu; 160 int ec; 161 162 arch = &VCPUI(vcpu)->arch; 163 164 if (!kvmi_is_event_allowed(KVMI(vcpu->kvm), KVMI_VCPU_EVENT_TRAP)) 165 ec = -KVM_EPERM; 166 else if (req->padding1 || req->padding2) 167 ec = -KVM_EINVAL; 168 else if (VCPUI(vcpu)->arch.exception.pending || 169 VCPUI(vcpu)->arch.exception.send_event) 170 ec = -KVM_EBUSY; 171 else 172 ec = kvmi_arch_cmd_vcpu_inject_exception(vcpu, req); 173 174 return kvmi_msg_vcpu_reply(job, msg, ec, NULL, 0); 175 } 176 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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