Messages in this thread | | | Date | Sat, 23 Jul 2022 19:42:32 +0800 | From | kernel test robot <> | Subject | [atishp04:sstc_v6 5/5] arch/riscv/kvm/vcpu_timer.c:302:23: warning: variable 'csr' set but not used |
| |
tree: https://github.com/atishp04/linux sstc_v6 head: c20c842325eb8261b2a0a034aad746505475fef7 commit: c20c842325eb8261b2a0a034aad746505475fef7 [5/5] RISC-V: KVM: Support sstc extension config: riscv-randconfig-c006-20220721 (https://download.01.org/0day-ci/archive/20220723/202207231936.SWNvXLnK-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 12fbd2d377e396ad61bce56d71c98a1eb1bebfa9) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/atishp04/linux/commit/c20c842325eb8261b2a0a034aad746505475fef7 git remote add atishp04 https://github.com/atishp04/linux git fetch --no-tags atishp04 sstc_v6 git checkout c20c842325eb8261b2a0a034aad746505475fef7 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/kvm/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/riscv/kvm/vcpu_timer.c:302:23: warning: variable 'csr' set but not used [-Wunused-but-set-variable] struct kvm_vcpu_csr *csr; ^ arch/riscv/kvm/vcpu_timer.c:327:23: warning: variable 'csr' set but not used [-Wunused-but-set-variable] struct kvm_vcpu_csr *csr; ^ 2 warnings generated.
vim +/csr +302 arch/riscv/kvm/vcpu_timer.c
299 300 void kvm_riscv_vcpu_timer_restore(struct kvm_vcpu *vcpu) 301 { > 302 struct kvm_vcpu_csr *csr; 303 struct kvm_vcpu_timer *t = &vcpu->arch.timer; 304 305 kvm_riscv_vcpu_update_timedelta(vcpu); 306 307 if (!t->sstc_enabled) 308 return; 309 310 csr = &vcpu->arch.guest_csr; 311 #if defined(CONFIG_32BIT) 312 csr_write(CSR_VSTIMECMP, (u32)t->next_cycles); 313 csr_write(CSR_VSTIMECMPH, (u32)(t->next_cycles >> 32)); 314 #else 315 csr_write(CSR_VSTIMECMP, t->next_cycles); 316 #endif 317 318 /* timer should be enabled for the remaining operations */ 319 if (unlikely(!t->init_done)) 320 return; 321 322 kvm_riscv_vcpu_timer_unblocking(vcpu); 323 } 324
-- 0-DAY CI Kernel Test Service https://01.org/lkp
| |