tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 10e0ea7796b38b1d35a6969966016d7a42d77b7f commit: ed007ade0cef81fb47328683b8a7eec5edfa8494 [13863/13880] virtcca feature: secure smmu init config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20240907/202409071200.Tf9aVoeY-lkp@i...) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 05f5a91d00b02f4369f46d076411c700755ae041) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240907/202409071200.Tf9aVoeY-lkp@i...) 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/202409071200.Tf9aVoeY-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/arm64/kernel/virtcca_cvm_host.c:6: In file included from include/linux/mm.h:2242: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~

...

arch/arm64/kernel/virtcca_cvm_host.c:37:6: warning: no previous prototype for function 'is_virtcca_cvm_enable' [-Wmissing-prototypes] 37 | bool is_virtcca_cvm_enable(void) | ^ arch/arm64/kernel/virtcca_cvm_host.c:37:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 37 | bool is_virtcca_cvm_enable(void) | ^ | static 6 warnings generated. -- arch/arm64/kvm/tmi.c:142: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Write command to command queue arch/arm64/kvm/tmi.c:166: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Map mmio stage2 translation for device arch/arm64/kvm/tmi.c:180: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Unmap mmio stage2 translation for device arch/arm64/kvm/tmi.c:193: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Write device mmio arch/arm64/kvm/tmi.c:208: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Read device mmio arch/arm64/kvm/tmi.c:233: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Attach device and configure L2 ste before activate CVM arch/arm64/kvm/tmi.c:276: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Write smmu secure register arch/arm64/kvm/tmi.c:290: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Read smmu secure register -- In file included from drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:6: In file included from include/linux/pci.h:1669: In file included from include/linux/dmapool.h:14: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:2242: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:509:13: warning: no previous prototype for function 'virtcca_smmu_evtq_thread' [-Wmissing-prototypes] 509 | irqreturn_t virtcca_smmu_evtq_thread(int irq, void *dev) | ^ drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:509:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 509 | irqreturn_t virtcca_smmu_evtq_thread(int irq, void *dev) | ^ | static drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:527:13: warning: no previous prototype for function 'virtcca_smmu_gerror_handler' [-Wmissing-prototypes] 527 | irqreturn_t virtcca_smmu_gerror_handler(int irq, void *dev) | ^ drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:527:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 527 | irqreturn_t virtcca_smmu_gerror_handler(int irq, void *dev) | ^ | static 7 warnings generated. -- drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:58: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Traverse pcie topology to find the root <bus,device> number drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:80: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Traverse pcie topology to find child devices drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:118: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Get all devices which share the same root_bd as dev drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:146: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Add device obj to hash tablse drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:183: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Whether the root port is secure or not drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:204: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Whether the vm is confidential vm drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:225: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Whether the stream id of dev is confidential drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:246: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Whether the cmd queue need transfer to secure world drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:298: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Write queue command to TMM drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:328: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Write a batch of queue command to TMM, if need sync, will send additional cmd queue drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:383: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Initialize a queue of the corresponding type drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:424: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Write values to secure smmu registers and wait for completion drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:449: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Write values to glabal bypass register drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:485: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Disable the secure smmu drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:505: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * The secure evt queue thread drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:520: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * The secure gerror handler drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:590: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Disable secure smmu irq function drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:603: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Enable secure smmu irq function drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:617: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Get irq index from platform drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:636: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Complete the stage2 page table establishment for the security device drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:691: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Setting up the STE config content for the security device drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:729: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Add secure device to hash table drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:766: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Delegate device to secure state drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:815: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Enable the PCIe protection controller function of the security device drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:844: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Write secure smmu msi msg drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:877: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Enable secure smmu msi drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:907: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Set secure irq handle drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:945: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Write value to smmu registers and wait for completion drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:965: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Initialize the smmu irq drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:1016: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * For SMMU, it has various uses. In virtCCA scenario, drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:1044: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Enable the smmu secure state drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:1079: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Whether the smmu support secure registers and secure stage2 translate drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:1113: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Implement security settings for corresponding devices targeting the secure smmu domain drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:1171: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Initialize the smmu security features

vim +/is_virtcca_cvm_enable +37 arch/arm64/kernel/virtcca_cvm_host.c 36

37 bool is_virtcca_cvm_enable(void)

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