Hi Jinqian, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 04473ee9ed912a16fff0d8846ad565bbf3d63c77 commit: 8207b85ea72073cc2f75884bfad29b41d805ef24 [3544/3544] kvm: hisi: print error for IPIV config: arm64-defconfig (https://download.01.org/0day-ci/archive/20251221/202512210351.fZ2BxCPV-lkp@i...) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251221/202512210351.fZ2BxCPV-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/202512210351.fZ2BxCPV-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/irqchip/irq-gic-v3-its.c:392:15: warning: no previous prototype for 'gic_data_rdist_get_vlpi_base' [-Wmissing-prototypes] 392 | void __iomem *gic_data_rdist_get_vlpi_base(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/gic_data_rdist_get_vlpi_base +392 drivers/irqchip/irq-gic-v3-its.c 390 391 #ifdef CONFIG_ARM64_HISI_IPIV

392 void __iomem *gic_data_rdist_get_vlpi_base(void) 393 { 394 return gic_data_rdist_vlpi_base(); 395 } 396 EXPORT_SYMBOL(gic_data_rdist_get_vlpi_base); 397 #endif 398

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