Hi Vipin, kernel test robot noticed the following build warnings: [auto build test WARNING on 95b9779c1758f03cf494e8550d6249a40089ed1c] url: https://github.com/intel-lab-lkp/linux/commits/Vipin-Sharma/KVM-selftests-Allow-dirty_log_perf_test-to-clear-dirty-memory-in-chunks/20230422-005708 base: 95b9779c1758f03cf494e8550d6249a40089ed1c patch link: https://lore.kernel.org/r/20230421165305.804301-8-vipinsh%40google.com patch subject: [PATCH 7/9] KVM: mmu: Move mmu lock/unlock to arch code for clear dirty log config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20230422/202304220315.bpwbgH5n-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 12.1.0 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-lab-lkp/linux/commit/e7505b53d53e3bb5e7f1c43233ef3644673edb75 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Vipin-Sharma/KVM-selftests-Allow-dirty_log_perf_test-to-clear-dirty-memory-in-chunks/20230422-005708 git checkout e7505b53d53e3bb5e7f1c43233ef3644673edb75 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 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@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304220315.bpwbgH5n-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): arch/riscv/kvm/mmu.c: In function 'kvm_arch_mmu_enable_log_dirty_pt_masked': >> arch/riscv/kvm/mmu.c:399:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 399 | phys_addr_t base_gfn = slot->base_gfn + gfn_offset; | ^~~~~~~~~~~ vim +399 arch/riscv/kvm/mmu.c c9d57373fc87a3 Anup Patel 2022-07-29 392 9d05c1fee83757 Anup Patel 2021-09-27 393 void kvm_arch_mmu_enable_log_dirty_pt_masked(struct kvm *kvm, 9d05c1fee83757 Anup Patel 2021-09-27 394 struct kvm_memory_slot *slot, 9d05c1fee83757 Anup Patel 2021-09-27 395 gfn_t gfn_offset, 9d05c1fee83757 Anup Patel 2021-09-27 396 unsigned long mask) 9d05c1fee83757 Anup Patel 2021-09-27 397 { e7505b53d53e3b Vipin Sharma 2023-04-21 398 spin_lock(&kvm->mmu_lock); 9d05c1fee83757 Anup Patel 2021-09-27 @399 phys_addr_t base_gfn = slot->base_gfn + gfn_offset; 9d05c1fee83757 Anup Patel 2021-09-27 400 phys_addr_t start = (base_gfn + __ffs(mask)) << PAGE_SHIFT; 9d05c1fee83757 Anup Patel 2021-09-27 401 phys_addr_t end = (base_gfn + __fls(mask) + 1) << PAGE_SHIFT; 9d05c1fee83757 Anup Patel 2021-09-27 402 26708234eb12e7 Anup Patel 2022-05-09 403 gstage_wp_range(kvm, start, end); e7505b53d53e3b Vipin Sharma 2023-04-21 404 spin_unlock(&kvm->mmu_lock); 9d05c1fee83757 Anup Patel 2021-09-27 405 } 99cdc6c18c2d81 Anup Patel 2021-09-27 406 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
