Messages in this thread | | | Date | Sun, 19 Nov 2023 06:39:57 +0800 | From | kernel test robot <> | Subject | Re: [PATCH v3 07/10] arm64: ptdump: Parse the host stage-2 page-tables from the snapshot |
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Hi Sebastian,
kernel test robot noticed the following build warnings:
[auto build test WARNING on arm64/for-next/core] [also build test WARNING on kvmarm/next linus/master v6.7-rc1 next-20231117] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Sebastian-Ene/KVM-arm64-Add-snap-shooting-the-host-stage-2-pagetables/20231116-012017 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20231115171639.2852644-9-sebastianene%40google.com patch subject: [PATCH v3 07/10] arm64: ptdump: Parse the host stage-2 page-tables from the snapshot config: arm64-randconfig-r071-20231119 (https://download.01.org/0day-ci/archive/20231119/202311190602.TfLBzLiV-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231119/202311190602.TfLBzLiV-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202311190602.TfLBzLiV-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> arch/arm64/mm/ptdump.c:178:31: warning: unused variable 'stage2_pte_bits' [-Wunused-const-variable] 178 | static const struct prot_bits stage2_pte_bits[] = { | ^ 1 warning generated.
vim +/stage2_pte_bits +178 arch/arm64/mm/ptdump.c
177 > 178 static const struct prot_bits stage2_pte_bits[] = { 179 { 180 .mask = PTE_VALID, 181 .val = PTE_VALID, 182 .set = " ", 183 .clear = "F", 184 }, { 185 .mask = KVM_PTE_LEAF_ATTR_HI_S2_XN, 186 .val = KVM_PTE_LEAF_ATTR_HI_S2_XN, 187 .set = "XN", 188 .clear = " ", 189 }, { 190 .mask = KVM_PTE_LEAF_ATTR_LO_S2_S2AP_R, 191 .val = KVM_PTE_LEAF_ATTR_LO_S2_S2AP_R, 192 .set = "R", 193 .clear = " ", 194 }, { 195 .mask = KVM_PTE_LEAF_ATTR_LO_S2_S2AP_W, 196 .val = KVM_PTE_LEAF_ATTR_LO_S2_S2AP_W, 197 .set = "W", 198 .clear = " ", 199 }, { 200 .mask = KVM_PTE_LEAF_ATTR_LO_S2_AF, 201 .val = KVM_PTE_LEAF_ATTR_LO_S2_AF, 202 .set = "AF", 203 .clear = " ", 204 }, { 205 .mask = PTE_NG, 206 .val = PTE_NG, 207 .set = "FnXS", 208 .clear = " ", 209 }, { 210 .mask = PTE_CONT, 211 .val = PTE_CONT, 212 .set = "CON", 213 .clear = " ", 214 }, { 215 .mask = PTE_TABLE_BIT, 216 .val = PTE_TABLE_BIT, 217 .set = " ", 218 .clear = "BLK", 219 }, { 220 .mask = KVM_PGTABLE_PROT_SW0, 221 .val = KVM_PGTABLE_PROT_SW0, 222 .set = "SW0", /* PKVM_PAGE_SHARED_OWNED */ 223 }, { 224 .mask = KVM_PGTABLE_PROT_SW1, 225 .val = KVM_PGTABLE_PROT_SW1, 226 .set = "SW1", /* PKVM_PAGE_SHARED_BORROWED */ 227 }, { 228 .mask = KVM_PGTABLE_PROT_SW2, 229 .val = KVM_PGTABLE_PROT_SW2, 230 .set = "SW2", 231 }, { 232 .mask = KVM_PGTABLE_PROT_SW3, 233 .val = KVM_PGTABLE_PROT_SW3, 234 .set = "SW3", 235 }, 236 }; 237
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