Hi, On 10/20/21 07:28, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git for-linus > head: f10507a66e36dde76d71bef8ce6e1c873f441616 > commit: f10507a66e36dde76d71bef8ce6e1c873f441616 [1/1] x86/PCI: Ignore E820 reservations for bridge windows on newer systems > config: i386-buildonly-randconfig-r004-20211019 (attached as .config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 92a0389b0425a9535a99a0ce13ba0eeda2bce7ad) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/commit/?id=f10507a66e36dde76d71bef8ce6e1c873f441616 > git remote add helgaas-pci https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git > git fetch --no-tags helgaas-pci for-linus > git checkout f10507a66e36dde76d71bef8ce6e1c873f441616 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=i386 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > In file included from arch/x86/kernel/resource.c:4: > arch/x86/include/asm/pci_x86.h:99:8: error: unknown type name 'raw_spinlock_t' > extern raw_spinlock_t pci_config_lock; > ^ > arch/x86/include/asm/pci_x86.h:135:19: error: expected ';' after top level declarator > extern void __init dmi_check_pciprobe(void); > ^ > ; > arch/x86/include/asm/pci_x86.h:136:19: error: expected ';' after top level declarator > extern void __init dmi_check_skip_isa_align(void); > ^ > ; > arch/x86/include/asm/pci_x86.h:142:8: error: 'inline' can only appear on functions > static inline int __init pci_acpi_init(void) > ^ > include/linux/compiler_types.h:149:16: note: expanded from macro 'inline' > #define inline inline __gnu_inline __inline_maybe_unused notrace > ^ > In file included from arch/x86/kernel/resource.c:4: >>> arch/x86/include/asm/pci_x86.h:142:8: warning: '__gnu_inline__' attribute only applies to functions [-Wignored-attributes] > include/linux/compiler_types.h:149:23: note: expanded from macro 'inline' > #define inline inline __gnu_inline __inline_maybe_unused notrace > ^ > include/linux/compiler_attributes.h:152:56: note: expanded from macro '__gnu_inline' > #define __gnu_inline __attribute__((__gnu_inline__)) > ^ > In file included from arch/x86/kernel/resource.c:4: >>> arch/x86/include/asm/pci_x86.h:142:8: warning: '__no_instrument_function__' attribute only applies to functions and Objective-C methods [-Wignored-attributes] > include/linux/compiler_types.h:149:58: note: expanded from macro 'inline' > #define inline inline __gnu_inline __inline_maybe_unused notrace > ^ > include/linux/compiler_types.h:129:34: note: expanded from macro 'notrace' > #define notrace __attribute__((__no_instrument_function__)) > ^ > In file included from arch/x86/kernel/resource.c:4: > arch/x86/include/asm/pci_x86.h:142:20: error: redefinition of '__init' with a different type: 'int' vs 'void' > static inline int __init pci_acpi_init(void) > ^ > arch/x86/include/asm/pci_x86.h:136:13: note: previous declaration is here > extern void __init dmi_check_skip_isa_align(void); > ^ > arch/x86/include/asm/pci_x86.h:142:26: error: expected ';' after top level declarator > static inline int __init pci_acpi_init(void) > ^ > ; > arch/x86/include/asm/pci_x86.h:148:12: error: redeclaration of '__init' with a different type: 'int' vs 'void' > extern int __init pcibios_init(void); > ^ > arch/x86/include/asm/pci_x86.h:136:13: note: previous declaration is here > extern void __init dmi_check_skip_isa_align(void); > ^ > arch/x86/include/asm/pci_x86.h:148:18: error: expected ';' after top level declarator > extern int __init pcibios_init(void); > ^ > ; > arch/x86/include/asm/pci_x86.h:168:12: error: redeclaration of '__init' with a different type: 'int' vs 'void' > extern int __init pci_mmcfg_arch_init(void); > ^ > arch/x86/include/asm/pci_x86.h:136:13: note: previous declaration is here > extern void __init dmi_check_skip_isa_align(void); > ^ > arch/x86/include/asm/pci_x86.h:168:18: error: expected ';' after top level declarator > extern int __init pci_mmcfg_arch_init(void); > ^ > ; > arch/x86/include/asm/pci_x86.h:169:19: error: expected ';' after top level declarator > extern void __init pci_mmcfg_arch_free(void); > ^ > ; > arch/x86/include/asm/pci_x86.h:176:33: error: redeclaration of '__init' with a different type: 'struct pci_mmcfg_region *' vs 'void' > extern struct pci_mmcfg_region *__init pci_mmconfig_add(int segment, int start, > ^ > arch/x86/include/asm/pci_x86.h:169:13: note: previous declaration is here > extern void __init pci_mmcfg_arch_free(void); > ^ > arch/x86/include/asm/pci_x86.h:176:39: error: expected ';' after top level declarator > extern struct pci_mmcfg_region *__init pci_mmconfig_add(int segment, int start, > ^ > ; > 2 warnings and 13 errors generated. The issue here is that <asm/pci_x86.h> is now included from arch/x86/kernel/resource.c and it seems that that file depends on some other headers already being included. I'm reproducing these errors now and I will provide a fix when I'm done. Regards, Hans > > > vim +/__gnu_inline__ +142 arch/x86/include/asm/pci_x86.h > > 8dd779b19ce597 arch/x86/pci/pci.h Robert Richter 2008-07-02 137 > 8dd779b19ce597 arch/x86/pci/pci.h Robert Richter 2008-07-02 138 /* some common used subsys_initcalls */ > 5d32a66541c468 arch/x86/include/asm/pci_x86.h Sinan Kaya 2018-12-19 139 #ifdef CONFIG_PCI > 8dd779b19ce597 arch/x86/pci/pci.h Robert Richter 2008-07-02 140 extern int __init pci_acpi_init(void); > 5d32a66541c468 arch/x86/include/asm/pci_x86.h Sinan Kaya 2018-12-19 141 #else > 5d32a66541c468 arch/x86/include/asm/pci_x86.h Sinan Kaya 2018-12-19 @142 static inline int __init pci_acpi_init(void) > 5d32a66541c468 arch/x86/include/asm/pci_x86.h Sinan Kaya 2018-12-19 143 { > 5d32a66541c468 arch/x86/include/asm/pci_x86.h Sinan Kaya 2018-12-19 144 return -EINVAL; > 5d32a66541c468 arch/x86/include/asm/pci_x86.h Sinan Kaya 2018-12-19 145 } > 5d32a66541c468 arch/x86/include/asm/pci_x86.h Sinan Kaya 2018-12-19 146 #endif > ab3b37937e8f4f arch/x86/include/asm/pci_x86.h Thomas Gleixner 2009-08-29 147 extern void __init pcibios_irq_init(void); > 8dd779b19ce597 arch/x86/pci/pci.h Robert Richter 2008-07-02 148 extern int __init pcibios_init(void); > b72d0db9dd41da arch/x86/include/asm/pci_x86.h Thomas Gleixner 2009-08-29 149 extern int pci_legacy_init(void); > 9325a28ce2fa7c arch/x86/include/asm/pci_x86.h Thomas Gleixner 2009-08-29 150 extern void pcibios_fixup_irqs(void); > 5e544d618f0fb2 arch/i386/pci/pci.h Andi Kleen 2006-09-26 151 > > :::::: The code at line 142 was first introduced by commit > :::::: 5d32a66541c4683456507481a0944ed2985e75c7 PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set > > :::::: TO: Sinan Kaya <okaya@xxxxxxxxxx> > :::::: CC: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx >