Hi LiMing, kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on arm-perf/for-next/perf v7.2-rc7 next-20260814] [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/LiMing-Wu/iommu-virtio-Add-debugfs-state-dump/20260815-175817 base: linus/master patch link: https://lore.kernel.org/r/20260731014838.31187-1-liming.wu%40jaguarmicro.com patch subject: [PATCH] iommu/virtio: Add debugfs state dump config: i386-buildonly-randconfig-002-20260817 (https://download.01.org/0day-ci/archive/20260817/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260817/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): drivers/iommu/virtio-iommu.c: In function 'viommu_debugfs_status_show': >> drivers/iommu/virtio-iommu.c:164:41: warning: format '%llx' expects argument >> of type 'long long unsigned int', but argument 3 has type 'dma_addr_t' {aka >> 'unsigned int'} [-Wformat=] 164 | seq_printf(s, "input_range: %#llx-%#llx\n", | ~~~~^ | | | long long unsigned int | %#x 165 | viommu->geometry.aperture_start, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | dma_addr_t {aka unsigned int} drivers/iommu/virtio-iommu.c:164:47: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=] 164 | seq_printf(s, "input_range: %#llx-%#llx\n", | ~~~~^ | | | long long unsigned int | %#x 165 | viommu->geometry.aperture_start, 166 | viommu->geometry.aperture_end); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | dma_addr_t {aka unsigned int} In file included from include/linux/limits.h:7, from include/linux/overflow.h:6, from include/linux/bits.h:32, from include/linux/bitops.h:6, from include/linux/log2.h:12, from arch/x86/include/asm/div64.h:8, from include/linux/math.h:6, from include/linux/delay.h:12, from drivers/iommu/virtio-iommu.c:10: drivers/iommu/virtio-iommu.c: In function 'viommu_debugfs_count_mappings': include/vdso/limits.h:16:25: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' [-Woverflow] 16 | #define ULLONG_MAX (~0ULL) | ^~~~~~~ drivers/iommu/virtio-iommu.c:242:69: note: in expansion of macro 'ULLONG_MAX' 242 | for (node = interval_tree_iter_first(&vdomain->mappings, 0, ULLONG_MAX); | ^~~~~~~~~~ include/vdso/limits.h:16:25: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' [-Woverflow] 16 | #define ULLONG_MAX (~0ULL) | ^~~~~~~ drivers/iommu/virtio-iommu.c:243:60: note: in expansion of macro 'ULLONG_MAX' 243 | node; node = interval_tree_iter_next(node, 0, ULLONG_MAX)) | ^~~~~~~~~~ drivers/iommu/virtio-iommu.c: In function 'viommu_debugfs_print_domain': drivers/iommu/virtio-iommu.c:260:75: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 7 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=] 260 | "id=%u type=%s endpoints=%lu mappings=%lu aperture=%#llx-%#llx pgsize_bitmap=%#lx map_flags=%#x\n", | ~~~~^ | | | long long unsigned int | %#x ...... 263 | vdomain->domain.geometry.aperture_start, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | dma_addr_t {aka unsigned int} drivers/iommu/virtio-iommu.c:260:81: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 8 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=] 260 | "id=%u type=%s endpoints=%lu mappings=%lu aperture=%#llx-%#llx pgsize_bitmap=%#lx map_flags=%#x\n", | ~~~~^ | | | long long unsigned int | %#x ...... 264 | vdomain->domain.geometry.aperture_end, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | dma_addr_t {aka unsigned int} drivers/iommu/virtio-iommu.c: In function 'viommu_debugfs_print_mapping': include/vdso/limits.h:16:25: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' [-Woverflow] 16 | #define ULLONG_MAX (~0ULL) | ^~~~~~~ drivers/iommu/virtio-iommu.c:296:69: note: in expansion of macro 'ULLONG_MAX' 296 | for (node = interval_tree_iter_first(&vdomain->mappings, 0, ULLONG_MAX); | ^~~~~~~~~~ include/vdso/limits.h:16:25: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' [-Woverflow] 16 | #define ULLONG_MAX (~0ULL) | ^~~~~~~ drivers/iommu/virtio-iommu.c:297:60: note: in expansion of macro 'ULLONG_MAX' 297 | node; node = interval_tree_iter_next(node, 0, ULLONG_MAX)) { | ^~~~~~~~~~ vim +164 drivers/iommu/virtio-iommu.c 158 159 static int viommu_debugfs_status_show(struct seq_file *s, void *unused) 160 { 161 struct viommu_dev *viommu = s->private; 162 163 seq_printf(s, "device: %s\n", virtio_bus_name(viommu->vdev)); > 164 seq_printf(s, "input_range: %#llx-%#llx\n", 165 viommu->geometry.aperture_start, 166 viommu->geometry.aperture_end); 167 seq_printf(s, "page_size_mask: %#llx\n", viommu->pgsize_bitmap); 168 seq_printf(s, "domain_range: %u-%u\n", viommu->first_domain, 169 viommu->last_domain); 170 seq_printf(s, "identity_domain_id: %u\n", 171 viommu->identity_domain_id); 172 seq_printf(s, "probe_size: %u\n", viommu->probe_size); 173 seq_printf(s, "map_flags: %#x\n", viommu->map_flags); 174 seq_puts(s, "features:\n"); 175 viommu_debugfs_feature(s, viommu, VIRTIO_IOMMU_F_MAP_UNMAP, 176 "map_unmap"); 177 viommu_debugfs_feature(s, viommu, VIRTIO_IOMMU_F_INPUT_RANGE, 178 "input_range"); 179 viommu_debugfs_feature(s, viommu, VIRTIO_IOMMU_F_DOMAIN_RANGE, 180 "domain_range"); 181 viommu_debugfs_feature(s, viommu, VIRTIO_IOMMU_F_PROBE, "probe"); 182 viommu_debugfs_feature(s, viommu, VIRTIO_IOMMU_F_MMIO, "mmio"); 183 viommu_debugfs_feature(s, viommu, VIRTIO_IOMMU_F_BYPASS_CONFIG, 184 "bypass_config"); 185 186 return 0; 187 } 188 DEFINE_SHOW_ATTRIBUTE(viommu_debugfs_status); 189 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
