tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 49a8133221c71b935f36a7c340c0271c2a9ee2db commit: 3af15ff47c4df3af7b36ea8315f43c6b0af49253 [911/10933] KVM: x86/mmu: Change tdp_mmu to a read-only parameter config: x86_64-randconfig-s023-20230206 (https://download.01.org/0day-ci/archive/20230207/202302072055.odjDVd5V-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=3af15ff47c4df3af7b36ea8315f43c6b0af49253 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 3af15ff47c4df3af7b36ea8315f43c6b0af49253 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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> sparse warnings: (new ones prefixed by >>) >> arch/x86/kvm/mmu/mmu.c:102:22: sparse: sparse: symbol 'tdp_mmu_allowed' was not declared. Should it be static? arch/x86/kvm/mmu/mmu.c:621:9: sparse: sparse: context imbalance in 'walk_shadow_page_lockless_begin' - different lock contexts for basic block arch/x86/kvm/mmu/mmu.c: note: in included file (through include/linux/rbtree.h, include/linux/mm_types.h, arch/x86/kvm/irq.h): include/linux/rcupdate.h:769:9: sparse: sparse: context imbalance in 'walk_shadow_page_lockless_end' - unexpected unlock arch/x86/kvm/mmu/mmu.c:2741:9: sparse: sparse: context imbalance in 'mmu_try_to_unsync_pages' - different lock contexts for basic block arch/x86/kvm/mmu/mmu.c: note: in included file: arch/x86/kvm/mmu/paging_tmpl.h:106:24: sparse: sparse: cast truncates bits from constant value (ffffffffff000 becomes fffff000) arch/x86/kvm/mmu/paging_tmpl.h:426:24: sparse: sparse: cast truncates bits from constant value (ffffffffff000 becomes fffff000) arch/x86/kvm/mmu/mmu.c:4871:57: sparse: sparse: cast truncates bits from constant value (ffffff33 becomes 33) arch/x86/kvm/mmu/mmu.c:4873:56: sparse: sparse: cast truncates bits from constant value (ffffff0f becomes f) arch/x86/kvm/mmu/mmu.c:4875:57: sparse: sparse: cast truncates bits from constant value (ffffff55 becomes 55) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
