Hi yangxiangkai, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: f188c8019eb561258fec0741574f196e013c7fa6 commit: ad540a13eb8292fc92651b3bf281088a502a85f9 [2909/2909] virtcca feature: fix msi iova map config: arm64-randconfig-r121-20250923 (https://download.01.org/0day-ci/archive/20250923/202509232154.ZKw00IX1-lkp@i...) compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250923/202509232154.ZKw00IX1-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/202509232154.ZKw00IX1-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/coda/coda_pci.c:8:

...

include/../drivers/pci/msi/msi.h:113:57: warning: declaration of 'struct msix_entry' will not be visible outside of this function [-Wvisibility] int __pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, int minvec, ^ 1 warning generated.

vim +113 include/../drivers/pci/msi/msi.h 897a0b6aa8c7ee Ahmed S. Darwish 2022-11-11 107 b12d0bec385b7a Ahmed S. Darwish 2022-11-11 108 /* MSI internal functions invoked from the public APIs */ b12d0bec385b7a Ahmed S. Darwish 2022-11-11 109 void pci_msi_shutdown(struct pci_dev *dev); 18e1926b8c8b7c Ahmed S. Darwish 2022-11-11 110 void pci_msix_shutdown(struct pci_dev *dev); b12d0bec385b7a Ahmed S. Darwish 2022-11-11 111 void pci_free_msi_irqs(struct pci_dev *dev); bbda3407982211 Ahmed S. Darwish 2022-11-11 112 int __pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec, struct irq_affinity *affd); be7496c1ef47e1 Ahmed S. Darwish 2022-11-11 @113 int __pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, int minvec, be7496c1ef47e1 Ahmed S. Darwish 2022-11-11 114 int maxvec, struct irq_affinity *affd, int flags); 57127da98bc876 Ahmed S. Darwish 2022-11-11 115 void __pci_restore_msi_state(struct pci_dev *dev); 57127da98bc876 Ahmed S. Darwish 2022-11-11 116 void __pci_restore_msix_state(struct pci_dev *dev); b12d0bec385b7a Ahmed S. Darwish 2022-11-11 117 :::::: The code at line 113 was first introduced by commit :::::: be7496c1ef47e1ba8c4b389ee23178fcf066cc4e PCI/MSI: Move pci_enable_msix_range() to api.c :::::: TO: Ahmed S. Darwish <darwi@linutronix.de> :::::: CC: Thomas Gleixner <tglx@linutronix.de> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki