* [avpatel:riscv_iommu_irqbypass_v2 13/18] drivers/iommu/riscv/iommu-ir.c:333:1: warning: control reaches end of non-void function
@ 2026-04-30 3:19 kernel test robot
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From: kernel test robot @ 2026-04-30 3:19 UTC (permalink / raw)
To: Andrew Jones; +Cc: oe-kbuild-all, Anup Patel
tree: https://github.com/avpatel/linux.git riscv_iommu_irqbypass_v2
head: 0ba166d111b762ae8f37075ba1266e345ae5ef59
commit: e3141898f38de6d63cb78f33d1b1e7bfb00d6e29 [13/18] iommu/riscv: Add guest file irqbypass support
config: um-allyesconfig (https://download.01.org/0day-ci/archive/20260430/202604301140.9miDefDl-lkp@intel.com/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/20260430/202604301140.9miDefDl-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/202604301140.9miDefDl-lkp@intel.com/
All warnings (new ones prefixed by >>):
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:70:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
70 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:91:17: note: in expansion of macro '__BF_FIELD_CHECK_MASK'
91 | __BF_FIELD_CHECK_MASK(mask, val, pfx); \
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:138:17: note: in expansion of macro '__FIELD_PREP'
138 | __FIELD_PREP(_mask, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~
drivers/iommu/riscv/iommu-ir.c:185:24: note: in expansion of macro 'FIELD_PREP'
185 | FIELD_PREP(RISCV_IOMMU_PC_FSC_PPN, virt_to_pfn(domain->pgd_root)),
| ^~~~~~~~~~
drivers/iommu/riscv/iommu-ir.c:185:77: error: 'struct riscv_iommu_domain' has no member named 'pgd_root'
185 | FIELD_PREP(RISCV_IOMMU_PC_FSC_PPN, virt_to_pfn(domain->pgd_root)),
| ^~
include/linux/bitfield.h:92:33: note: in definition of macro '__FIELD_PREP'
92 | ((typeof(mask))(val) << __bf_shf(mask)) & (mask); \
| ^~~
drivers/iommu/riscv/iommu-ir.c:185:24: note: in expansion of macro 'FIELD_PREP'
185 | FIELD_PREP(RISCV_IOMMU_PC_FSC_PPN, virt_to_pfn(domain->pgd_root)),
| ^~~~~~~~~~
drivers/iommu/riscv/iommu-ir.c: At top level:
drivers/iommu/riscv/iommu-ir.c:327:53: warning: 'struct riscv_iommu_ir_vcpu_info' declared inside parameter list will not be visible outside of this definition or declaration
327 | struct riscv_iommu_ir_vcpu_info *vcpu_info)
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/iommu/riscv/iommu-ir.c: In function 'riscv_iommu_ir_vcpu_check_config':
drivers/iommu/riscv/iommu-ir.c:329:50: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
329 | return domain->msi_addr_mask == vcpu_info->msi_addr_mask &&
| ^~
drivers/iommu/riscv/iommu-ir.c:330:53: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
330 | domain->msi_addr_pattern == vcpu_info->msi_addr_pattern &&
| ^~
drivers/iommu/riscv/iommu-ir.c:331:53: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
331 | domain->group_index_bits == vcpu_info->group_index_bits &&
| ^~
drivers/iommu/riscv/iommu-ir.c:332:54: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
332 | domain->group_index_shift == vcpu_info->group_index_shift;
| ^~
drivers/iommu/riscv/iommu-ir.c: At top level:
drivers/iommu/riscv/iommu-ir.c:337:50: warning: 'struct riscv_iommu_ir_vcpu_info' declared inside parameter list will not be visible outside of this definition or declaration
337 | struct riscv_iommu_ir_vcpu_info *vcpu_info)
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/iommu/riscv/iommu-ir.c: In function 'riscv_iommu_ir_vcpu_new_config':
drivers/iommu/riscv/iommu-ir.c:343:19: error: 'struct riscv_iommu_domain' has no member named 'pgd_mode'
343 | if (domain->pgd_mode)
| ^~
drivers/iommu/riscv/iommu-ir.c:348:42: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
348 | domain->msi_addr_mask = vcpu_info->msi_addr_mask;
| ^~
drivers/iommu/riscv/iommu-ir.c:349:45: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
349 | domain->msi_addr_pattern = vcpu_info->msi_addr_pattern;
| ^~
drivers/iommu/riscv/iommu-ir.c:350:45: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
350 | domain->group_index_bits = vcpu_info->group_index_bits;
| ^~
drivers/iommu/riscv/iommu-ir.c:351:46: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
351 | domain->group_index_shift = vcpu_info->group_index_shift;
| ^~
drivers/iommu/riscv/iommu-ir.c:355:19: error: 'struct riscv_iommu_domain' has no member named 'pgd_mode'
355 | if (domain->pgd_mode) {
| ^~
drivers/iommu/riscv/iommu-ir.c:373:66: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
373 | idx = riscv_iommu_ir_compute_msipte_idx(domain, vcpu_info->gpa);
| ^~
drivers/iommu/riscv/iommu-ir.c:376:46: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
376 | riscv_iommu_ir_set_pte(pte, vcpu_info->hpa);
| ^~
drivers/iommu/riscv/iommu-ir.c: In function 'riscv_iommu_ir_irq_set_vcpu_affinity':
drivers/iommu/riscv/iommu-ir.c:409:55: error: passing argument 2 of 'riscv_iommu_ir_vcpu_check_config' from incompatible pointer type [-Wincompatible-pointer-types]
409 | if (!riscv_iommu_ir_vcpu_check_config(domain, vcpu_info))
| ^~~~~~~~~
| |
| struct riscv_iommu_ir_vcpu_info *
drivers/iommu/riscv/iommu-ir.c:327:79: note: expected 'struct riscv_iommu_ir_vcpu_info *' but argument is of type 'struct riscv_iommu_ir_vcpu_info *'
327 | struct riscv_iommu_ir_vcpu_info *vcpu_info)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
drivers/iommu/riscv/iommu-ir.c:410:69: error: passing argument 3 of 'riscv_iommu_ir_vcpu_new_config' from incompatible pointer type [-Wincompatible-pointer-types]
410 | return riscv_iommu_ir_vcpu_new_config(domain, data, vcpu_info);
| ^~~~~~~~~
| |
| struct riscv_iommu_ir_vcpu_info *
drivers/iommu/riscv/iommu-ir.c:337:76: note: expected 'struct riscv_iommu_ir_vcpu_info *' but argument is of type 'struct riscv_iommu_ir_vcpu_info *'
337 | struct riscv_iommu_ir_vcpu_info *vcpu_info)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
drivers/iommu/riscv/iommu-ir.c:412:70: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
412 | new_idx = riscv_iommu_ir_compute_msipte_idx(domain, vcpu_info->gpa);
| ^~
drivers/iommu/riscv/iommu-ir.c:416:50: error: invalid use of undefined type 'struct riscv_iommu_ir_vcpu_info'
416 | riscv_iommu_ir_set_pte(&pteval, vcpu_info->hpa);
| ^~
drivers/iommu/riscv/iommu-ir.c: In function 'riscv_ir_set_imsic_global_config':
drivers/iommu/riscv/iommu-ir.c:620:68: error: 'struct riscv_iommu_domain' has no member named 'numa_node'
620 | domain->msi_root = iommu_alloc_pages_node_sz(domain->numa_node, GFP_KERNEL_ACCOUNT,
| ^~
drivers/iommu/riscv/iommu-ir.c: In function 'riscv_iommu_ir_attach_paging_domain':
drivers/iommu/riscv/iommu-ir.c:662:27: error: 'struct riscv_iommu_domain' has no member named 'pgd_mode'
662 | if (domain->pgd_mode) {
| ^~
drivers/iommu/riscv/iommu-ir.c: In function 'riscv_iommu_ir_vcpu_check_config':
>> drivers/iommu/riscv/iommu-ir.c:333:1: warning: control reaches end of non-void function [-Wreturn-type]
333 | }
| ^
vim +333 drivers/iommu/riscv/iommu-ir.c
325
326 static bool riscv_iommu_ir_vcpu_check_config(struct riscv_iommu_domain *domain,
327 struct riscv_iommu_ir_vcpu_info *vcpu_info)
328 {
329 return domain->msi_addr_mask == vcpu_info->msi_addr_mask &&
330 domain->msi_addr_pattern == vcpu_info->msi_addr_pattern &&
331 domain->group_index_bits == vcpu_info->group_index_bits &&
332 domain->group_index_shift == vcpu_info->group_index_shift;
> 333 }
334
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-04-30 3:19 [avpatel:riscv_iommu_irqbypass_v2 13/18] drivers/iommu/riscv/iommu-ir.c:333:1: warning: control reaches end of non-void function kernel test robot
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