Messages in this thread | | | Date | Sun, 9 Jul 2023 03:36:22 +0800 | From | kernel test robot <> | Subject | arch/riscv/mm/init.c:1204:48: sparse: sparse: cast truncates bits from constant value (100000000 becomes 0) |
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Hi Yimin,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8689f4f2ea561dd080118eeb05c0255ac9542905 commit: b5e2c507b06c9d36411845149162a804ae7b04a9 riscv: Kconfig: Allow RV32 to build with no MMU date: 3 months ago config: riscv-randconfig-r091-20230709 (https://download.01.org/0day-ci/archive/20230709/202307090340.NydZlDAr-lkp@intel.com/config) compiler: riscv32-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230709/202307090340.NydZlDAr-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/202307090340.NydZlDAr-lkp@intel.com/
sparse warnings: (new ones prefixed by >>) WARNING: invalid argument to '-march': '_zihintpause' >> arch/riscv/mm/init.c:1204:48: sparse: sparse: cast truncates bits from constant value (100000000 becomes 0) -- WARNING: invalid argument to '-march': '_zihintpause' fs/ext4/mballoc.c: note: in included file (through include/linux/timex.h, include/linux/time32.h, include/linux/time.h, ...): >> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: cast removes address space '__iomem' of expression >> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@ arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] * >> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@ arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] * fs/ext4/mballoc.c:1217:9: sparse: sparse: context imbalance in 'ext4_mb_init_cache' - different lock contexts for basic block fs/ext4/mballoc.c:2127:5: sparse: sparse: context imbalance in 'ext4_mb_try_best_found' - different lock contexts for basic block fs/ext4/mballoc.c:2155:5: sparse: sparse: context imbalance in 'ext4_mb_find_by_goal' - different lock contexts for basic block fs/ext4/mballoc.c:2448:12: sparse: sparse: context imbalance in 'ext4_mb_good_group_nolock' - wrong count at exit fs/ext4/mballoc.c:2670:58: sparse: sparse: context imbalance in 'ext4_mb_regular_allocator' - different lock contexts for basic block fs/ext4/mballoc.c:2942:13: sparse: sparse: context imbalance in 'ext4_mb_seq_structs_summary_start' - wrong count at exit fs/ext4/mballoc.c:3322:17: sparse: sparse: context imbalance in 'ext4_discard_work' - different lock contexts for basic block fs/ext4/mballoc.c:3525:17: sparse: sparse: context imbalance in 'ext4_mb_release' - different lock contexts for basic block fs/ext4/mballoc.c:3647:26: sparse: sparse: context imbalance in 'ext4_free_data_in_buddy' - wrong count at exit fs/ext4/mballoc.c:3852:15: sparse: sparse: context imbalance in 'ext4_mb_mark_diskspace_used' - different lock contexts for basic block fs/ext4/mballoc.c:3964:9: sparse: sparse: context imbalance in 'ext4_mb_mark_bb' - different lock contexts for basic block fs/ext4/mballoc.c:4240:13: sparse: sparse: context imbalance in 'ext4_discard_allocated_blocks' - different lock contexts for basic block fs/ext4/mballoc.c:4542:13: sparse: sparse: context imbalance in 'ext4_mb_put_pa' - different lock contexts for basic block fs/ext4/mballoc.c:4926:9: sparse: sparse: context imbalance in 'ext4_mb_discard_group_preallocations' - different lock contexts for basic block fs/ext4/mballoc.c:5017:9: sparse: sparse: context imbalance in 'ext4_discard_preallocations' - different lock contexts for basic block fs/ext4/mballoc.c:5084:9: sparse: sparse: context imbalance in 'ext4_mb_show_ac' - different lock contexts for basic block fs/ext4/mballoc.c:5313:9: sparse: sparse: context imbalance in 'ext4_mb_discard_lg_preallocations' - different lock contexts for basic block fs/ext4/mballoc.c:5084:9: sparse: sparse: context imbalance in 'ext4_mb_new_blocks' - different lock contexts for basic block fs/ext4/mballoc.c:5910:9: sparse: sparse: context imbalance in 'ext4_mb_clear_bb' - different lock contexts for basic block fs/ext4/mballoc.c:6309:15: sparse: sparse: context imbalance in 'ext4_group_add_blocks' - different lock contexts for basic block fs/ext4/mballoc.c:3601:40: sparse: sparse: context imbalance in 'ext4_trim_extent' - wrong count at exit fs/ext4/mballoc.c:6400:9: sparse: sparse: context imbalance in 'ext4_try_to_trim_range' - different lock contexts for basic block fs/ext4/mballoc.c:6418:1: sparse: sparse: context imbalance in 'ext4_trim_all_free' - different lock contexts for basic block fs/ext4/mballoc.c:6560:1: sparse: sparse: context imbalance in 'ext4_mballoc_query_range' - different lock contexts for basic block -- WARNING: invalid argument to '-march': '_zihintpause' >> drivers/clocksource/timer-clint.c:82:24: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/clocksource/timer-clint.c:82:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@ drivers/clocksource/timer-clint.c:82:24: sparse: expected void const volatile [noderef] __iomem *addr drivers/clocksource/timer-clint.c:82:24: sparse: got unsigned int [usertype] * drivers/clocksource/timer-clint.c:80:22: sparse: sparse: cast removes address space '__iomem' of expression drivers/clocksource/timer-clint.c:80:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@ drivers/clocksource/timer-clint.c:80:22: sparse: expected void const volatile [noderef] __iomem *addr drivers/clocksource/timer-clint.c:80:22: sparse: got unsigned int [usertype] * drivers/clocksource/timer-clint.c:237:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void * @@ got struct clock_event_device [noderef] __percpu * @@ drivers/clocksource/timer-clint.c:237:36: sparse: expected void * drivers/clocksource/timer-clint.c:237:36: sparse: got struct clock_event_device [noderef] __percpu *
vim +1204 arch/riscv/mm/init.c
671f9a3e2e24cd Anup Patel 2019-06-28 1154 e53d28180d4d0f Nick Kossifidis 2021-04-19 1155 /* e53d28180d4d0f Nick Kossifidis 2021-04-19 1156 * reserve_crashkernel() - reserves memory for crash kernel e53d28180d4d0f Nick Kossifidis 2021-04-19 1157 * e53d28180d4d0f Nick Kossifidis 2021-04-19 1158 * This function reserves memory area given in "crashkernel=" kernel command e53d28180d4d0f Nick Kossifidis 2021-04-19 1159 * line parameter. The memory reserved is used by dump capture kernel when e53d28180d4d0f Nick Kossifidis 2021-04-19 1160 * primary kernel is crashing. e53d28180d4d0f Nick Kossifidis 2021-04-19 1161 */ e53d28180d4d0f Nick Kossifidis 2021-04-19 1162 static void __init reserve_crashkernel(void) e53d28180d4d0f Nick Kossifidis 2021-04-19 1163 { e53d28180d4d0f Nick Kossifidis 2021-04-19 1164 unsigned long long crash_base = 0; e53d28180d4d0f Nick Kossifidis 2021-04-19 1165 unsigned long long crash_size = 0; e53d28180d4d0f Nick Kossifidis 2021-04-19 1166 unsigned long search_start = memblock_start_of_DRAM(); e53d28180d4d0f Nick Kossifidis 2021-04-19 1167 unsigned long search_end = memblock_end_of_DRAM(); e53d28180d4d0f Nick Kossifidis 2021-04-19 1168 e53d28180d4d0f Nick Kossifidis 2021-04-19 1169 int ret = 0; e53d28180d4d0f Nick Kossifidis 2021-04-19 1170 d414cb379ac35e Jisheng Zhang 2022-03-23 1171 if (!IS_ENABLED(CONFIG_KEXEC_CORE)) d414cb379ac35e Jisheng Zhang 2022-03-23 1172 return; 5640975003d023 Nick Kossifidis 2021-04-19 1173 /* 5640975003d023 Nick Kossifidis 2021-04-19 1174 * Don't reserve a region for a crash kernel on a crash kernel 5640975003d023 Nick Kossifidis 2021-04-19 1175 * since it doesn't make much sense and we have limited memory 5640975003d023 Nick Kossifidis 2021-04-19 1176 * resources. 5640975003d023 Nick Kossifidis 2021-04-19 1177 */ 5640975003d023 Nick Kossifidis 2021-04-19 1178 if (is_kdump_kernel()) { 5640975003d023 Nick Kossifidis 2021-04-19 1179 pr_info("crashkernel: ignoring reservation request\n"); 5640975003d023 Nick Kossifidis 2021-04-19 1180 return; 5640975003d023 Nick Kossifidis 2021-04-19 1181 } 5640975003d023 Nick Kossifidis 2021-04-19 1182 e53d28180d4d0f Nick Kossifidis 2021-04-19 1183 ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(), e53d28180d4d0f Nick Kossifidis 2021-04-19 1184 &crash_size, &crash_base); e53d28180d4d0f Nick Kossifidis 2021-04-19 1185 if (ret || !crash_size) e53d28180d4d0f Nick Kossifidis 2021-04-19 1186 return; e53d28180d4d0f Nick Kossifidis 2021-04-19 1187 e53d28180d4d0f Nick Kossifidis 2021-04-19 1188 crash_size = PAGE_ALIGN(crash_size); e53d28180d4d0f Nick Kossifidis 2021-04-19 1189 a7259df7670240 Mike Rapoport 2021-09-02 1190 if (crash_base) { a7259df7670240 Mike Rapoport 2021-09-02 1191 search_start = crash_base; a7259df7670240 Mike Rapoport 2021-09-02 1192 search_end = crash_base + crash_size; a7259df7670240 Mike Rapoport 2021-09-02 1193 } a7259df7670240 Mike Rapoport 2021-09-02 1194 e53d28180d4d0f Nick Kossifidis 2021-04-19 1195 /* e53d28180d4d0f Nick Kossifidis 2021-04-19 1196 * Current riscv boot protocol requires 2MB alignment for e53d28180d4d0f Nick Kossifidis 2021-04-19 1197 * RV64 and 4MB alignment for RV32 (hugepage size) decf89f86ecd3c Nick Kossifidis 2021-11-26 1198 * decf89f86ecd3c Nick Kossifidis 2021-11-26 1199 * Try to alloc from 32bit addressible physical memory so that decf89f86ecd3c Nick Kossifidis 2021-11-26 1200 * swiotlb can work on the crash kernel. e53d28180d4d0f Nick Kossifidis 2021-04-19 1201 */ decf89f86ecd3c Nick Kossifidis 2021-11-26 1202 crash_base = memblock_phys_alloc_range(crash_size, PMD_SIZE, decf89f86ecd3c Nick Kossifidis 2021-11-26 1203 search_start, decf89f86ecd3c Nick Kossifidis 2021-11-26 @1204 min(search_end, (unsigned long) SZ_4G)); decf89f86ecd3c Nick Kossifidis 2021-11-26 1205 if (crash_base == 0) { decf89f86ecd3c Nick Kossifidis 2021-11-26 1206 /* Try again without restricting region to 32bit addressible memory */ a7259df7670240 Mike Rapoport 2021-09-02 1207 crash_base = memblock_phys_alloc_range(crash_size, PMD_SIZE, a7259df7670240 Mike Rapoport 2021-09-02 1208 search_start, search_end); e53d28180d4d0f Nick Kossifidis 2021-04-19 1209 if (crash_base == 0) { e53d28180d4d0f Nick Kossifidis 2021-04-19 1210 pr_warn("crashkernel: couldn't allocate %lldKB\n", e53d28180d4d0f Nick Kossifidis 2021-04-19 1211 crash_size >> 10); e53d28180d4d0f Nick Kossifidis 2021-04-19 1212 return; e53d28180d4d0f Nick Kossifidis 2021-04-19 1213 } decf89f86ecd3c Nick Kossifidis 2021-11-26 1214 } e53d28180d4d0f Nick Kossifidis 2021-04-19 1215 e53d28180d4d0f Nick Kossifidis 2021-04-19 1216 pr_info("crashkernel: reserved 0x%016llx - 0x%016llx (%lld MB)\n", e53d28180d4d0f Nick Kossifidis 2021-04-19 1217 crash_base, crash_base + crash_size, crash_size >> 20); e53d28180d4d0f Nick Kossifidis 2021-04-19 1218 e53d28180d4d0f Nick Kossifidis 2021-04-19 1219 crashk_res.start = crash_base; e53d28180d4d0f Nick Kossifidis 2021-04-19 1220 crashk_res.end = crash_base + crash_size - 1; e53d28180d4d0f Nick Kossifidis 2021-04-19 1221 } e53d28180d4d0f Nick Kossifidis 2021-04-19 1222
:::::: The code at line 1204 was first introduced by commit :::::: decf89f86ecd3c3c3de81c562010d5797bea3de1 riscv: try to allocate crashkern region from 32bit addressible memory
:::::: TO: Nick Kossifidis <mick@ics.forth.gr> :::::: CC: Palmer Dabbelt <palmer@rivosinc.com>
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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