On Mon, Dec 17, 2018 at 03:22:39AM +0800, kbuild test robot wrote: > Hi Chao, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on linus/master] > [also build test ERROR on v4.20-rc6 next-20181214] > [if your patch is applied to the wrong git tree, please drop us a note to > help improve the system] > > url: > https://github.com/0day-ci/linux/commits/Chao-Fan/x86-boot-KASLR-Parse-ACPI-table-and-limit-KASLR-to-choosing-immovable-memory/20181214-082218 > config: i386-allmodconfig (attached as .config) > compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > All error/warnings (new ones prefixed by >>): > > In file included from include/linux/kernel.h:207:0, > from arch/x86/boot/string.c:17: > >> arch/x86/include/asm/div64.h:61:21: error: redefinition of 'div_u64_rem'
Thanks for the report. We need something like this I guess: --- diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c index 771971efc0d6..4a823481e4e1 100644 --- a/arch/x86/boot/string.c +++ b/arch/x86/boot/string.c @@ -191,7 +191,7 @@ char *strchr(const char *s, int c) return (char *)s; } -static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) +static inline u64 __div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) { union { u64 v64; @@ -213,7 +213,7 @@ static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) static inline u64 div_u64(u64 dividend, u32 divisor) { u32 remainder; - return div_u64_rem(dividend, divisor, &remainder); + return __div_u64_rem(dividend, divisor, &remainder); } static inline char _tolower(const char c) -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.