Hi all, After merging the bitmap tree, today's linux-next build (powerpc ppc64_defconfig) failed like this: lib/bitmap.c:351:6: error: conflicting types for '__bitmap_set'; have 'void(long unsigned int *, unsigned int, unsigned int)' 351 | void __bitmap_set(unsigned long *map, unsigned int start, unsigned int len) | ^~~~~~~~~~~~ In file included from lib/bitmap.c:7: include/linux/bitmap.h:167:6: note: previous declaration of '__bitmap_set' with type 'void(long unsigned int *, unsigned int, int)' 167 | void __bitmap_set(unsigned long *map, unsigned int start, int len); | ^~~~~~~~~~~~ In file included from include/linux/linkage.h:7, from include/linux/printk.h:8, from include/asm-generic/bug.h:22, from arch/powerpc/include/asm/bug.h:158, from include/linux/bug.h:5, from lib/bitmap.c:9: lib/bitmap.c:370:15: error: conflicting types for '__bitmap_set'; have 'void(long unsigned int *, unsigned int, unsigned int)' 370 | EXPORT_SYMBOL(__bitmap_set); | ^~~~~~~~~~~~ include/linux/export.h:87:28: note: in definition of macro '___EXPORT_SYMBOL' 87 | extern typeof(sym) sym; \ | ^~~ include/linux/export.h:147:41: note: in expansion of macro '__EXPORT_SYMBOL' 147 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:150:41: note: in expansion of macro '_EXPORT_SYMBOL' 150 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^~~~~~~~~~~~~~ lib/bitmap.c:370:1: note: in expansion of macro 'EXPORT_SYMBOL' 370 | EXPORT_SYMBOL(__bitmap_set); | ^~~~~~~~~~~~~ In file included from lib/bitmap.c:7: include/linux/bitmap.h:167:6: note: previous declaration of '__bitmap_set' with type 'void(long unsigned int *, unsigned int, int)' 167 | void __bitmap_set(unsigned long *map, unsigned int start, int len); | ^~~~~~~~~~~~ Caused by commit aaa4ab5ec044 ("lib/bitmap: Make length parameter `len` unsigned") I have reverted that commit for today. -- Cheers, Stephen Rothwell
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