Hi Julian, kernel test robot noticed the following build errors: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on deller-parisc/for-next linus/master arm/for-next arm/fixes v6.12-rc1 next-20241002] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Julian-Vetter/Consolidate-IO-memcpy-memset-into-iomap_copy-c/20240930-213742 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20240930132321.2785718-2-jvetter%40kalrayinc.com patch subject: [PATCH v7 01/10] Consolidate IO memcpy/memset into iomap_copy.c config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20241003/202410031104.2bzZJyNF-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241003/202410031104.2bzZJyNF-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/202410031104.2bzZJyNF-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/io.h:14, from include/linux/irq.h:20, from arch/powerpc/include/asm/hardirq.h:6, from include/linux/hardirq.h:11, from include/linux/interrupt.h:11, from include/linux/kernel_stat.h:8, from include/linux/cgroup.h:25, from include/linux/memcontrol.h:13, from include/linux/swap.h:9, from include/linux/suspend.h:5, from arch/powerpc/kernel/asm-offsets.c:21: >> arch/powerpc/include/asm/io.h:709:23: error: conflicting types for 'memcpy_fromio'; have 'void(void *, const volatile void *, size_t)' {aka 'void(void *, const volatile void *, unsigned int)'} 709 | #define memcpy_fromio memcpy_fromio | ^~~~~~~~~~~~~ include/asm-generic/io.h:105:13: note: in expansion of macro 'memcpy_fromio' 105 | extern void memcpy_fromio(void *to, const volatile void __iomem *from, | ^~~~~~~~~~~~~ arch/powerpc/include/asm/io-defs.h:58:18: note: previous definition of 'memcpy_fromio' with type 'void(void *, const volatile void *, long unsigned int)' 58 | DEF_PCI_AC_NORET(memcpy_fromio, (void *d, const PCI_IO_ADDR s, unsigned long n), | ^~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:664:20: note: in definition of macro 'DEF_PCI_AC_NORET' 664 | static inline void name at \ | ^~~~ >> arch/powerpc/include/asm/io.h:710:21: error: conflicting types for 'memcpy_toio'; have 'void(volatile void *, const void *, size_t)' {aka 'void(volatile void *, const void *, unsigned int)'} 710 | #define memcpy_toio memcpy_toio | ^~~~~~~~~~~ include/asm-generic/io.h:107:13: note: in expansion of macro 'memcpy_toio' 107 | extern void memcpy_toio(volatile void __iomem *to, const void *from, | ^~~~~~~~~~~ arch/powerpc/include/asm/io-defs.h:60:18: note: previous definition of 'memcpy_toio' with type 'void(volatile void *, const void *, long unsigned int)' 60 | DEF_PCI_AC_NORET(memcpy_toio, (PCI_IO_ADDR d, const void *s, unsigned long n), | ^~~~~~~~~~~ arch/powerpc/include/asm/io.h:664:20: note: in definition of macro 'DEF_PCI_AC_NORET' 664 | static inline void name at \ | ^~~~ >> arch/powerpc/include/asm/io.h:708:19: error: conflicting types for 'memset_io'; have 'void(volatile void *, int, size_t)' {aka 'void(volatile void *, int, unsigned int)'} 708 | #define memset_io memset_io | ^~~~~~~~~ include/asm-generic/io.h:109:13: note: in expansion of macro 'memset_io' 109 | extern void memset_io(volatile void __iomem *dst, int c, size_t count); | ^~~~~~~~~ arch/powerpc/include/asm/io-defs.h:56:18: note: previous definition of 'memset_io' with type 'void(volatile void *, int, long unsigned int)' 56 | DEF_PCI_AC_NORET(memset_io, (PCI_IO_ADDR a, int c, unsigned long n), | ^~~~~~~~~ arch/powerpc/include/asm/io.h:664:20: note: in definition of macro 'DEF_PCI_AC_NORET' 664 | static inline void name at \ | ^~~~ make[3]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1193: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:224: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:224: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +709 arch/powerpc/include/asm/io.h 4cb3cee03d558f include/asm-powerpc/io.h Benjamin Herrenschmidt 2006-11-11 676 4cb3cee03d558f include/asm-powerpc/io.h Benjamin Herrenschmidt 2006-11-11 677 /* Some drivers check for the presence of readq & writeq with 4cb3cee03d558f include/asm-powerpc/io.h Benjamin Herrenschmidt 2006-11-11 678 * a #ifdef, so we make them happy here. 4cb3cee03d558f include/asm-powerpc/io.h Benjamin Herrenschmidt 2006-11-11 679 */ 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 680 #define readb readb 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 681 #define readw readw 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 682 #define readl readl 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 683 #define writeb writeb 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 684 #define writew writew 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 685 #define writel writel 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 686 #define readsb readsb 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 687 #define readsw readsw 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 688 #define readsl readsl 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 689 #define writesb writesb 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 690 #define writesw writesw 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 691 #define writesl writesl 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 692 #define inb inb 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 693 #define inw inw 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 694 #define inl inl 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 695 #define outb outb 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 696 #define outw outw 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 697 #define outl outl 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 698 #define insb insb 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 699 #define insw insw 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 700 #define insl insl 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 701 #define outsb outsb 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 702 #define outsw outsw 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 703 #define outsl outsl 68a64357d15ae4 include/asm-powerpc/io.h Benjamin Herrenschmidt 2006-11-13 704 #ifdef __powerpc64__ 4cb3cee03d558f include/asm-powerpc/io.h Benjamin Herrenschmidt 2006-11-11 705 #define readq readq 4cb3cee03d558f include/asm-powerpc/io.h Benjamin Herrenschmidt 2006-11-11 706 #define writeq writeq 68a64357d15ae4 include/asm-powerpc/io.h Benjamin Herrenschmidt 2006-11-13 707 #endif 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 @708 #define memset_io memset_io 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 @709 #define memcpy_fromio memcpy_fromio 894fa235eb4ca0 arch/powerpc/include/asm/io.h Christophe Leroy 2020-11-21 @710 #define memcpy_toio memcpy_toio 68a64357d15ae4 include/asm-powerpc/io.h Benjamin Herrenschmidt 2006-11-13 711 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki