Linux next-20220310 i386 build failed due to below warnings / errors. CC arch/x86/kernel/resource.o In file included from arch/x86/kernel/resource.c:4:0: arch/x86/include/asm/pci_x86.h:105:8: error: unknown type name 'raw_spinlock_t' extern raw_spinlock_t pci_config_lock; ^~~~~~~~~~~~~~ arch/x86/include/asm/pci_x86.h:141:20: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'dmi_check_pciprobe' extern void __init dmi_check_pciprobe(void); ^~~~~~~~~~~~~~~~~~ arch/x86/include/asm/pci_x86.h:142:20: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'dmi_check_skip_isa_align' extern void __init dmi_check_skip_isa_align(void); ^~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/pci_x86.h:146:19: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'pci_acpi_init' extern int __init pci_acpi_init(void); ^~~~~~~~~~~~~ arch/x86/include/asm/pci_x86.h:153:20: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'pcibios_irq_init' extern void __init pcibios_irq_init(void); ^~~~~~~~~~~~~~~~ arch/x86/include/asm/pci_x86.h:154:19: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'pcibios_init' extern int __init pcibios_init(void); ^~~~~~~~~~~~ arch/x86/include/asm/pci_x86.h:174:19: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'pci_mmcfg_arch_init' extern int __init pci_mmcfg_arch_init(void); ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/pci_x86.h:175:20: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'pci_mmcfg_arch_free' extern void __init pci_mmcfg_arch_free(void); ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/pci_x86.h:182:40: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'pci_mmconfig_add' extern struct pci_mmcfg_region *__init pci_mmconfig_add(int segment, int start, ^~~~~~~~~~~~~~~~ CC net/core/filter.o make[2]: *** [scripts/Makefile.build:288: arch/x86/kernel/resource.o] Error 1 Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> -- Linaro LKFT https://lkft.linaro.org [1] https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=intel-core2-32,label=docker-buster-lkft/1207/consoleText