Hi Johannes, [auto build test ERROR on v4.12] [cannot apply to linus/master linux/master v4.13-rc2 v4.13-rc1 next-20170728] [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/Johannes-Weiner/sched-loadavg-consolidate-LOAD_INT-LOAD_FRAC-macros/20170729-191658 config: arm-sunxi_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All errors (new ones prefixed by >>): In file included from include/linux/spinlock_types.h:13:0, from include/linux/memdelay.h:4, from kernel/sched/memdelay.c:10: >> arch/arm/include/asm/spinlock_types.h:12:3: error: unknown type name 'u32' u32 slock; ^~~ >> arch/arm/include/asm/spinlock_types.h:18:4: error: unknown type name 'u16' u16 owner; ^~~ arch/arm/include/asm/spinlock_types.h:19:4: error: unknown type name 'u16' u16 next; ^~~ arch/arm/include/asm/spinlock_types.h:28:2: error: unknown type name 'u32' u32 lock; ^~~ vim +/u32 +12 arch/arm/include/asm/spinlock_types.h 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 9 fb1c8f93 include/asm-arm/spinlock_types.h Ingo Molnar 2005-09-10 10 typedef struct { 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 11 union { 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 @12 u32 slock; 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 13 struct __raw_tickets { 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 14 #ifdef __ARMEB__ 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 15 u16 next; 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 16 u16 owner; 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 17 #else 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 @18 u16 owner; 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 19 u16 next; 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 20 #endif 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 21 } tickets; 546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon 2012-07-06 22 }; 445c8951 arch/arm/include/asm/spinlock_types.h Thomas Gleixner 2009-12-02 23 } arch_spinlock_t; fb1c8f93 include/asm-arm/spinlock_types.h Ingo Molnar 2005-09-10 24 :::::: The code at line 12 was first introduced by commit :::::: 546c2896a42202dbc7d02f7c6ec9948ac1bf511b ARM: 7446/1: spinlock: use ticket algorithm for ARMv6+ locking implementation :::::: TO: Will Deacon :::::: CC: Russell King --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation