* [android-common:android17-6.18 1/1] include/linux/iommu.h:1567:1: warning: control reaches end of non-void function
@ 2026-09-23 15:22 kernel test robot
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From: kernel test robot @ 2026-09-23 15:22 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
tree: https://android.googlesource.com/kernel/common android17-6.18
head: be012b3f0e2ba884d014d4736652511302214a95
commit: 06f8e52b34f38555bb820ac1cb1d9547a3c9c50a [1/1] ANDROID: GKI: Introduce GKI_HIDDEN_IOMMU_CONFIGS
config: x86_64-randconfig-2200-20260923 (https://download.01.org/0day-ci/archive/20260923/202609231706.0KvOnTpL-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
smatch: v0.5.0-9187-g5189e3fb
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260923/202609231706.0KvOnTpL-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/202609231706.0KvOnTpL-lkp@intel.com/
All warnings (new ones prefixed by >>):
| ^~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:503:27: error: expression in static assertion is not an integer
503 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/list.h:601:9: note: in expansion of macro 'container_of'
601 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:612:9: note: in expansion of macro 'list_entry'
612 | list_entry((ptr)->next, type, member)
| ^~~~~~~~~~
include/linux/list.h:770:20: note: in expansion of macro 'list_first_entry'
770 | for (pos = list_first_entry(head, typeof(*pos), member); \
| ^~~~~~~~~~~~~~~~
drivers/iommu/iommu-sva.c:114:9: note: in expansion of macro 'list_for_each_entry'
114 | list_for_each_entry(domain, &mm->iommu_mm->sva_domains, next) {
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/random.h:8,
from include/linux/nodemask.h:94,
from include/linux/numa.h:6,
from include/linux/cpumask.h:17:
drivers/iommu/iommu-sva.c:114:50: error: invalid use of undefined type 'struct iommu_mm_data'
114 | list_for_each_entry(domain, &mm->iommu_mm->sva_domains, next) {
| ^~
include/linux/list.h:761:37: note: in definition of macro 'list_entry_is_head'
761 | list_is_head(&pos->member, (head))
| ^~~~
drivers/iommu/iommu-sva.c:114:9: note: in expansion of macro 'list_for_each_entry'
114 | list_for_each_entry(domain, &mm->iommu_mm->sva_domains, next) {
| ^~~~~~~~~~~~~~~~~~~
drivers/iommu/iommu-sva.c:115:70: error: invalid use of undefined type 'struct iommu_mm_data'
115 | ret = iommu_attach_device_pasid(domain, dev, iommu_mm->pasid,
| ^~
drivers/iommu/iommu-sva.c:116:56: error: invalid use of undefined type 'struct iommu_sva'
116 | &handle->handle);
| ^~
drivers/iommu/iommu-sva.c:130:62: error: invalid use of undefined type 'struct iommu_mm_data'
130 | ret = iommu_attach_device_pasid(domain, dev, iommu_mm->pasid,
| ^~
drivers/iommu/iommu-sva.c:131:48: error: invalid use of undefined type 'struct iommu_sva'
131 | &handle->handle);
| ^~
drivers/iommu/iommu-sva.c:135:46: error: invalid use of undefined type 'struct iommu_mm_data'
135 | list_add(&domain->next, &mm->iommu_mm->sva_domains);
| ^~
drivers/iommu/iommu-sva.c:138:29: error: invalid use of undefined type 'struct iommu_sva'
138 | refcount_set(&handle->users, 1);
| ^~
drivers/iommu/iommu-sva.c:140:15: error: invalid use of undefined type 'struct iommu_sva'
140 | handle->dev = dev;
| ^~
drivers/iommu/iommu-sva.c: In function 'iommu_sva_unbind_device':
drivers/iommu/iommu-sva.c:163:45: error: invalid use of undefined type 'struct iommu_sva'
163 | struct iommu_domain *domain = handle->handle.domain;
| ^~
drivers/iommu/iommu-sva.c:165:36: error: invalid use of undefined type 'struct iommu_sva'
165 | struct device *dev = handle->dev;
| ^~
drivers/iommu/iommu-sva.c:168:43: error: invalid use of undefined type 'struct iommu_sva'
168 | if (!refcount_dec_and_test(&handle->users)) {
| ^~
drivers/iommu/iommu-sva.c:173:56: error: invalid use of undefined type 'struct iommu_mm_data'
173 | iommu_detach_device_pasid(domain, dev, iommu_mm->pasid);
| ^~
drivers/iommu/iommu-sva.c: In function 'iommu_sva_get_pasid':
drivers/iommu/iommu-sva.c:185:45: error: invalid use of undefined type 'struct iommu_sva'
185 | struct iommu_domain *domain = handle->handle.domain;
| ^~
drivers/iommu/iommu-sva.c: In function 'mm_pasid_drop':
drivers/iommu/iommu-sva.c:198:41: error: invalid use of undefined type 'struct iommu_mm_data'
198 | iommu_free_global_pasid(iommu_mm->pasid);
| ^~
drivers/iommu/iommu-sva.c: In function 'iommu_sva_handle_iopf':
drivers/iommu/iommu-sva.c:275:66: error: invalid use of undefined type 'struct iommu_attach_handle'
275 | group->attach_handle->domain->mm);
| ^~
drivers/iommu/iommu-sva.c: In function 'iommu_sva_iopf_handler':
drivers/iommu/iommu-sva.c:287:36: error: 'struct iommu_fault_param' has no member named 'queue'
287 | if (!queue_work(fault_param->queue->wq, &group->work))
| ^~
drivers/iommu/iommu-sva.c: In function 'iommu_sva_domain_alloc':
drivers/iommu/iommu-sva.c:299:17: error: 'const struct iommu_ops' has no member named 'domain_alloc_sva'
299 | if (!ops->domain_alloc_sva)
| ^~
drivers/iommu/iommu-sva.c:302:21: error: 'const struct iommu_ops' has no member named 'domain_alloc_sva'
302 | domain = ops->domain_alloc_sva(dev, mm);
| ^~
drivers/iommu/iommu-priv.h: In function 'dev_iommu_ops':
drivers/iommu/iommu-priv.h:19:1: warning: control reaches end of non-void function [-Wreturn-type]
19 | }
| ^
include/linux/iommu.h: In function 'mm_get_enqcmd_pasid':
>> include/linux/iommu.h:1567:1: warning: control reaches end of non-void function [-Wreturn-type]
1567 | }
| ^
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for DRM_MIPI_DSI
Depends on [n]: HAS_IOMEM [=y] && DRM [=n]
Selected by [y]:
- GKI_HIDDEN_DRM_CONFIGS [=y]
WARNING: unmet direct dependencies detected for SND_INTEL_NHLT
Depends on [n]: SOUND [=n] && SND [=n]
Selected by [y]:
- GKI_HIDDEN_SND_CONFIGS [=y] && ACPI [=y]
WARNING: unmet direct dependencies detected for SND_PCM_ELD
Depends on [n]: SOUND [=n] && SND [=n]
Selected by [y]:
- GKI_HIDDEN_SND_CONFIGS [=y]
WARNING: unmet direct dependencies detected for SND_PCM_IEC958
Depends on [n]: SOUND [=n] && SND [=n]
Selected by [y]:
- GKI_HIDDEN_SND_SOC_CONFIGS [=y]
WARNING: unmet direct dependencies detected for IOMMU_SVA
Depends on [n]: IOMMU_SUPPORT [=n]
Selected by [y]:
- GKI_HIDDEN_IOMMU_CONFIGS [=y]
WARNING: unmet direct dependencies detected for SND_COMPRESS_ACCEL
Depends on [n]: SOUND [=n] && SND [=n]
Selected by [y]:
- GKI_HIDDEN_SND_CONFIGS [=y]
WARNING: unmet direct dependencies detected for SND_JACK
Depends on [n]: SOUND [=n] && SND [=n]
Selected by [y]:
- GKI_HIDDEN_SND_CONFIGS [=y]
WARNING: unmet direct dependencies detected for DRM_PRIVACY_SCREEN
Depends on [n]: HAS_IOMEM [=y] && DRM [=n]
Selected by [y]:
- GKI_HIDDEN_DRM_CONFIGS [=y] && X86 [=y]
WARNING: unmet direct dependencies detected for SND_VMASTER
Depends on [n]: SOUND [=n] && SND [=n]
Selected by [y]:
- GKI_HIDDEN_SND_CONFIGS [=y]
WARNING: unmet direct dependencies detected for CAN_RX_OFFLOAD
Depends on [n]: NETDEVICES [=y] && CAN_DEV [=n] && CAN_NETLINK [=n]
Selected by [y]:
- GKI_HIDDEN_MCP251XFD_CONFIGS [=y]
WARNING: unmet direct dependencies detected for SND_JACK_INPUT_DEV
Depends on [n]: SOUND [=n] && SND [=n] && SND_JACK [=y]
Selected by [y]:
- GKI_HIDDEN_SND_CONFIGS [=y]
vim +1567 include/linux/iommu.h
2396046d75d3c0 Tina Zhang 2023-10-27 1559
2396046d75d3c0 Tina Zhang 2023-10-27 1560 static inline u32 mm_get_enqcmd_pasid(struct mm_struct *mm)
2396046d75d3c0 Tina Zhang 2023-10-27 1561 {
092edaddb66037 Tina Zhang 2023-10-27 1562 struct iommu_mm_data *iommu_mm = READ_ONCE(mm->iommu_mm);
092edaddb66037 Tina Zhang 2023-10-27 1563
092edaddb66037 Tina Zhang 2023-10-27 1564 if (!iommu_mm)
092edaddb66037 Tina Zhang 2023-10-27 1565 return IOMMU_PASID_INVALID;
092edaddb66037 Tina Zhang 2023-10-27 1566 return iommu_mm->pasid;
2396046d75d3c0 Tina Zhang 2023-10-27 @1567 }
2396046d75d3c0 Tina Zhang 2023-10-27 1568
:::::: The code at line 1567 was first introduced by commit
:::::: 2396046d75d3c0b2cfead852a77efd023f8539dc iommu: Add mm_get_enqcmd_pasid() helper function
:::::: TO: Tina Zhang <tina.zhang@intel.com>
:::::: CC: Joerg Roedel <jroedel@suse.de>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-09-23 15:22 [android-common:android17-6.18 1/1] include/linux/iommu.h:1567:1: warning: control reaches end of non-void function kernel test robot
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