Hi Ben, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on 7cb79f433e75b05d1635aefaa851cfcd1cb7dc4f] url: https://github.com/intel-lab-lkp/linux/commits/Ben-Gardon/KVM-x86-mmu-Rename-slot-rmap-walkers-to-add-clarity-and-clean-up-code/20230203-023259 base: 7cb79f433e75b05d1635aefaa851cfcd1cb7dc4f patch link: https://lore.kernel.org/r/20230202182809.1929122-16-bgardon%40google.com patch subject: [PATCH 15/21] KVM: x86/MMU: Remove unneeded exports from shadow_mmu.c config: x86_64-randconfig-a002 (https://download.01.org/0day-ci/archive/20230204/202302042238.bWSFU5Qg-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/133035de32b4ef8bb8e3868c78dbdb3b807f04f4 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Ben-Gardon/KVM-x86-mmu-Rename-slot-rmap-walkers-to-add-clarity-and-clean-up-code/20230203-023259 git checkout 133035de32b4ef8bb8e3868c78dbdb3b807f04f4 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kvm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/x86/kvm/mmu/shadow_mmu.c:3208:6: warning: no previous prototype for 'slot_rmap_write_protect' [-Wmissing-prototypes] 3208 | bool slot_rmap_write_protect(struct kvm *kvm, struct kvm_rmap_head *rmap_head, | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/slot_rmap_write_protect +3208 arch/x86/kvm/mmu/shadow_mmu.c 306e405e1b7fe70 Ben Gardon 2023-02-02 3207 306e405e1b7fe70 Ben Gardon 2023-02-02 @3208 bool slot_rmap_write_protect(struct kvm *kvm, struct kvm_rmap_head *rmap_head, 306e405e1b7fe70 Ben Gardon 2023-02-02 3209 const struct kvm_memory_slot *slot) 306e405e1b7fe70 Ben Gardon 2023-02-02 3210 { 306e405e1b7fe70 Ben Gardon 2023-02-02 3211 return rmap_write_protect(rmap_head, false); 306e405e1b7fe70 Ben Gardon 2023-02-02 3212 } 306e405e1b7fe70 Ben Gardon 2023-02-02 3213 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
