* [android-common:android15-6.6 2/2] arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace_iommu_idmap'
@ 2026-08-17 19:35 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-08-17 19:35 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
Hi Mostafa,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android15-6.6
head: 24c059d9e217f32d61570fdbd7eb66bc999657a9
commit: abd6c25f0d5feba7e4ad7717cf38275c2fcfac76 [2/2] ANDROID: KVM: arm64: iommu: Add idmap trace point
config: arm64-randconfig-004-20260816 (https://download.01.org/0day-ci/archive/20260818/202608180308.r7WXgbS9-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260818/202608180308.r7WXgbS9-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/202608180308.r7WXgbS9-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/arm64/kvm/hyp_events.c:14:
arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace_hyp_enter' [-Wmissing-prototypes]
17 | void hyp_event_trace_##__name(struct ht_iterator *iter) \
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_hypevents.h:14:1: note: in expansion of macro 'HYP_EVENT'
14 | HYP_EVENT(hyp_enter,
| ^~~~~~~~~
arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace_hyp_exit' [-Wmissing-prototypes]
17 | void hyp_event_trace_##__name(struct ht_iterator *iter) \
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_hypevents.h:23:1: note: in expansion of macro 'HYP_EVENT'
23 | HYP_EVENT(hyp_exit,
| ^~~~~~~~~
arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace_host_hcall' [-Wmissing-prototypes]
17 | void hyp_event_trace_##__name(struct ht_iterator *iter) \
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_hypevents.h:32:1: note: in expansion of macro 'HYP_EVENT'
32 | HYP_EVENT(host_hcall,
| ^~~~~~~~~
arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace_host_smc' [-Wmissing-prototypes]
17 | void hyp_event_trace_##__name(struct ht_iterator *iter) \
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_hypevents.h:46:1: note: in expansion of macro 'HYP_EVENT'
46 | HYP_EVENT(host_smc,
| ^~~~~~~~~
arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace_host_mem_abort' [-Wmissing-prototypes]
17 | void hyp_event_trace_##__name(struct ht_iterator *iter) \
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_hypevents.h:61:1: note: in expansion of macro 'HYP_EVENT'
61 | HYP_EVENT(host_mem_abort,
| ^~~~~~~~~
arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace___hyp_printk' [-Wmissing-prototypes]
17 | void hyp_event_trace_##__name(struct ht_iterator *iter) \
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_hypevents.h:75:1: note: in expansion of macro 'HYP_EVENT'
75 | HYP_EVENT(__hyp_printk,
| ^~~~~~~~~
arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace_host_ffa_call' [-Wmissing-prototypes]
17 | void hyp_event_trace_##__name(struct ht_iterator *iter) \
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_hypevents.h:95:1: note: in expansion of macro 'HYP_EVENT'
95 | HYP_EVENT(host_ffa_call,
| ^~~~~~~~~
arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace_psci_mem_protect' [-Wmissing-prototypes]
17 | void hyp_event_trace_##__name(struct ht_iterator *iter) \
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_hypevents.h:120:1: note: in expansion of macro 'HYP_EVENT'
120 | HYP_EVENT(psci_mem_protect,
| ^~~~~~~~~
>> arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace_iommu_idmap' [-Wmissing-prototypes]
17 | void hyp_event_trace_##__name(struct ht_iterator *iter) \
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_hypevents.h:133:1: note: in expansion of macro 'HYP_EVENT'
133 | HYP_EVENT(iommu_idmap,
| ^~~~~~~~~
arch/arm64/kvm/hyp_events.c:217:6: warning: no previous prototype for 'hyp_trace_init_event_early' [-Wmissing-prototypes]
217 | bool hyp_trace_init_event_early(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp_events.c:267:19: warning: no previous prototype for 'hyp_trace_find_event' [-Wmissing-prototypes]
267 | struct hyp_event *hyp_trace_find_event(int id)
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp_events.c:341:6: warning: no previous prototype for 'hyp_trace_init_event_tracefs' [-Wmissing-prototypes]
341 | void hyp_trace_init_event_tracefs(struct dentry *parent)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp_events.c:363:5: warning: no previous prototype for 'hyp_trace_init_events' [-Wmissing-prototypes]
363 | int hyp_trace_init_events(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/hyp_events.c:378:5: warning: no previous prototype for 'hyp_trace_init_mod_events' [-Wmissing-prototypes]
378 | int hyp_trace_init_mod_events(struct hyp_event *event,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
vim +/hyp_event_trace_iommu_idmap +17 arch/arm64/include/asm/kvm_define_hypevents.h
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 14
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 15 #define HYP_EVENT(__name, __proto, __struct, __assign, __printk) \
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 16 HYP_EVENT_FORMAT(__name, __struct); \
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 @17 void hyp_event_trace_##__name(struct ht_iterator *iter) \
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 18 { \
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 19 struct trace_hyp_format_##__name __maybe_unused *__entry = \
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 20 (struct trace_hyp_format_##__name *)iter->ent; \
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 21 trace_seq_puts(&iter->seq, #__name); \
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 22 trace_seq_putc(&iter->seq, ' '); \
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 23 trace_seq_printf(&iter->seq, __printk); \
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 24 trace_seq_putc(&iter->seq, '\n'); \
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 25 }
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 26 #define HYP_EVENT_MULTI_READ
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 27 #include __HYP_EVENT_FILE
f6dbfc683cf5fbb Vincent Donnefort 2023-01-26 28
:::::: The code at line 17 was first introduced by commit
:::::: f6dbfc683cf5fbbd37b6fdead1b5b08912cf6570 ANDROID: KVM: arm64: Add support for nVHE hyp events
:::::: TO: Vincent Donnefort <vdonnefort@google.com>
:::::: CC: Fuad Tabba <tabba@google.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-08-17 19:35 [android-common:android15-6.6 2/2] arch/arm64/include/asm/kvm_define_hypevents.h:17:7: warning: no previous prototype for 'hyp_event_trace_iommu_idmap' kernel test robot
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