Hi Hans, kernel test robot noticed the following build errors: [auto build test ERROR on 76544811c850a1f4c055aa182b513b7a843868ea] url: https://github.com/intel-lab-lkp/linux/commits/Hans-Zhang/genirq-msi-Add-the-address-and-data-that-show-MSI-MSIX/20250301-204332 base: 76544811c850a1f4c055aa182b513b7a843868ea patch link: https://lore.kernel.org/r/20250301123953.291675-1-18255117159%40163.com patch subject: [v2] genirq/msi: Add the address and data that show MSI/MSIX config: x86_64-buildonly-randconfig-003-20250302 (https://download.01.org/0day-ci/archive/20250302/202503020807.c3MhmbJh-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250302/202503020807.c3MhmbJh-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503020807.c3MhmbJh-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): kernel/irq/msi.c: In function 'msi_domain_debug_show': >> kernel/irq/msi.c:770:9: error: implicit declaration of function 'seq_printf'; did you mean 'bstr_printf'? [-Werror=implicit-function-declaration] 770 | seq_printf(m, "%*s%s:", ind, "", is_msix ? "msix" : "msi"); | ^~~~~~~~~~ | bstr_printf kernel/irq/msi.c: At top level: >> kernel/irq/msi.c:782:10: error: 'const struct irq_domain_ops' has no member named 'debug_show' 782 | .debug_show = msi_domain_debug_show, | ^~~~~~~~~~ >> kernel/irq/msi.c:782:27: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init] 782 | .debug_show = msi_domain_debug_show, | ^~~~~~~~~~~~~~~~~~~~~ kernel/irq/msi.c:782:27: note: (near initialization for 'msi_domain_ops') kernel/irq/msi.c:782:27: error: initialization of 'int (*)(struct irq_domain *, unsigned int, unsigned int, void *)' from incompatible pointer type 'void (*)(struct seq_file *, struct irq_domain *, struct irq_data *, int)' [-Werror=incompatible-pointer-types] kernel/irq/msi.c:782:27: note: (near initialization for 'msi_domain_ops.alloc') kernel/irq/msi.c:782:27: warning: initialized field overwritten [-Woverride-init] kernel/irq/msi.c:782:27: note: (near initialization for 'msi_domain_ops.alloc') cc1: some warnings being treated as errors vim +770 kernel/irq/msi.c 758 759 static void msi_domain_debug_show(struct seq_file *m, struct irq_domain *d, 760 struct irq_data *irqd, int ind) 761 { 762 struct msi_desc *desc; 763 bool is_msix; 764 765 desc = irq_get_msi_desc(irqd->irq); 766 if (!desc) 767 return; 768 769 is_msix = desc->pci.msi_attrib.is_msix; > 770 seq_printf(m, "%*s%s:", ind, "", is_msix ? "msix" : "msi"); 771 seq_printf(m, "\n%*saddress_hi: 0x%08x", ind + 1, "", desc->msg.address_hi); 772 seq_printf(m, "\n%*saddress_lo: 0x%08x", ind + 1, "", desc->msg.address_lo); 773 seq_printf(m, "\n%*smsg_data: 0x%08x\n", ind + 1, "", desc->msg.data); 774 } 775 776 static const struct irq_domain_ops msi_domain_ops = { 777 .alloc = msi_domain_alloc, 778 .free = msi_domain_free, 779 .activate = msi_domain_activate, 780 .deactivate = msi_domain_deactivate, 781 .translate = msi_domain_translate, > 782 .debug_show = msi_domain_debug_show, 783 }; 784 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki