Hi Christian, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.16-rc2 next-20180220] [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/Christian-K-nig/locking-ww_mutex-add-ww_mutex_is_owned_by-function-v4/20180221-021317 config: microblaze-mmu_defconfig (attached as .config) compiler: microblaze-linux-gcc (GCC) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/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=microblaze All error/warnings (new ones prefixed by >>): In file included from kernel/locking/mutex.c:21:0: include/linux/ww_mutex.h: In function 'ww_mutex_is_owned_by': include/linux/ww_mutex.h:380:0: error: unterminated argument list invoking macro "likely" #endif include/linux/ww_mutex.h:377:3: error: 'likely' undeclared (first use in this function) likely(READ_ONCE(lock->ctx) == NULL; ^~~~~~ include/linux/ww_mutex.h:377:3: note: each undeclared identifier is reported only once for each function it appears in In file included from include/linux/thread_info.h:13:0, from include/asm-generic/preempt.h:5, from ./arch/microblaze/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/rcupdate.h:40, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from kernel/locking/mutex.c:22: include/linux/restart_block.h:11:1: error: expected ';' before 'struct' struct timespec; ^~~~~~ include/linux/restart_block.h:12:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] struct compat_timespec; ^~~~~~ In file included from include/linux/thread_info.h:38:0, from include/asm-generic/preempt.h:5, from ./arch/microblaze/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/rcupdate.h:40, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from kernel/locking/mutex.c:22: >> arch/microblaze/include/asm/thread_info.h:90:35: error: invalid storage class for function 'current_thread_info' static inline struct thread_info *current_thread_info(void) ^~~~~~~~~~~~~~~~~~~ In file included from include/asm-generic/preempt.h:5:0, from ./arch/microblaze/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/rcupdate.h:40, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from kernel/locking/mutex.c:22: include/linux/thread_info.h:57:20: error: invalid storage class for function 'set_ti_thread_flag' static inline void set_ti_thread_flag(struct thread_info *ti, int flag) ^~~~~~~~~~~~~~~~~~ include/linux/thread_info.h:62:20: error: invalid storage class for function 'clear_ti_thread_flag' static inline void clear_ti_thread_flag(struct thread_info *ti, int flag) ^~~~~~~~~~~~~~~~~~~~ include/linux/thread_info.h:67:19: error: invalid storage class for function 'test_and_set_ti_thread_flag' static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int flag) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/thread_info.h:72:19: error: invalid storage class for function 'test_and_clear_ti_thread_flag' static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int flag) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/thread_info.h:77:19: error: invalid storage class for function 'test_ti_thread_flag' static inline int test_ti_thread_flag(struct thread_info *ti, int flag) ^~~~~~~~~~~~~~~~~~~ include/linux/thread_info.h:96:19: error: invalid storage class for function 'arch_within_stack_frames' static inline int arch_within_stack_frames(const void * const stack, ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/thread_info.h:115:20: error: invalid storage class for function 'check_object_size' static inline void check_object_size(const void *ptr, unsigned long n, ^~~~~~~~~~~~~~~~~ include/linux/thread_info.h:125:20: error: invalid storage class for function 'copy_overflow' static inline void copy_overflow(int size, unsigned long count) ^~~~~~~~~~~~~ include/linux/thread_info.h:131:1: error: invalid storage class for function 'check_copy_size' check_copy_size(const void *addr, size_t bytes, bool is_source) ^~~~~~~~~~~~~~~ include/linux/thread_info.h:148:20: error: invalid storage class for function 'arch_setup_new_exec' static inline void arch_setup_new_exec(void) { } ^~~~~~~~~~~~~~~~~~~ In file included from ./arch/microblaze/include/generated/asm/preempt.h:1:0, from include/linux/preempt.h:81, from include/linux/rcupdate.h:40, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from kernel/locking/mutex.c:22: include/asm-generic/preempt.h:9:28: error: invalid storage class for function 'preempt_count' static __always_inline int preempt_count(void) ^~~~~~~~~~~~~ include/asm-generic/preempt.h:14:38: error: invalid storage class for function 'preempt_count_ptr' static __always_inline volatile int *preempt_count_ptr(void) ^~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:19:29: error: invalid storage class for function 'preempt_count_set' static __always_inline void preempt_count_set(int pc) ^~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:35:29: error: invalid storage class for function 'set_preempt_need_resched' static __always_inline void set_preempt_need_resched(void) ^~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:39:29: error: invalid storage class for function 'clear_preempt_need_resched' static __always_inline void clear_preempt_need_resched(void) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:43:29: error: invalid storage class for function 'test_preempt_need_resched' static __always_inline bool test_preempt_need_resched(void) ^~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:52:29: error: invalid storage class for function '__preempt_count_add' static __always_inline void __preempt_count_add(int val) ^~~~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:57:29: error: invalid storage class for function '__preempt_count_sub' static __always_inline void __preempt_count_sub(int val) ^~~~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:62:29: error: invalid storage class for function '__preempt_count_dec_and_test' static __always_inline bool __preempt_count_dec_and_test(void) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:75:29: error: invalid storage class for function 'should_resched' static __always_inline bool should_resched(int preempt_offset) ^~~~~~~~~~~~~~ In file included from include/linux/rcupdate.h:41:0, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from kernel/locking/mutex.c:22: include/linux/bottom_half.h:10:29: error: invalid storage class for function '__local_bh_disable_ip' static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt) ^~~~~~~~~~~~~~~~~~~~~ include/linux/bottom_half.h:17:20: error: invalid storage class for function 'local_bh_disable' static inline void local_bh_disable(void) ^~~~~~~~~~~~~~~~ include/linux/bottom_half.h:25:20: error: invalid storage class for function 'local_bh_enable_ip' static inline void local_bh_enable_ip(unsigned long ip) ^~~~~~~~~~~~~~~~~~ include/linux/bottom_half.h:30:20: error: invalid storage class for function 'local_bh_enable' static inline void local_bh_enable(void) ^~~~~~~~~~~~~~~ In file included from include/linux/bitmap.h:9:0, from include/linux/cpumask.h:12, from include/linux/rcupdate.h:44, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from kernel/locking/mutex.c:22: include/linux/string.h:71:34: error: invalid storage class for function 'strstrip' static inline __must_check char *strstrip(char *str) ^~~~~~~~ -- ^~~~~~~~~~~~~ include/linux/cpumask.h:637:19: error: invalid storage class for function 'cpulist_parse' static inline int cpulist_parse(const char *buf, struct cpumask *dstp) ^~~~~~~~~~~~~ include/linux/cpumask.h:645:28: error: invalid storage class for function 'cpumask_size' static inline unsigned int cpumask_size(void) ^~~~~~~~~~~~ include/linux/cpumask.h:715:20: error: invalid storage class for function 'alloc_cpumask_var' static inline bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags) ^~~~~~~~~~~~~~~~~ include/linux/cpumask.h:720:20: error: invalid storage class for function 'alloc_cpumask_var_node' static inline bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, ^~~~~~~~~~~~~~~~~~~~~~ include/linux/cpumask.h:726:20: error: invalid storage class for function 'zalloc_cpumask_var' static inline bool zalloc_cpumask_var(cpumask_var_t *mask, gfp_t flags) ^~~~~~~~~~~~~~~~~~ include/linux/cpumask.h:732:20: error: invalid storage class for function 'zalloc_cpumask_var_node' static inline bool zalloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/cpumask.h:739:20: error: invalid storage class for function 'alloc_bootmem_cpumask_var' static inline void alloc_bootmem_cpumask_var(cpumask_var_t *mask) ^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/cpumask.h:743:20: error: invalid storage class for function 'free_cpumask_var' static inline void free_cpumask_var(cpumask_var_t mask) ^~~~~~~~~~~~~~~~ include/linux/cpumask.h:747:20: error: invalid storage class for function 'free_bootmem_cpumask_var' static inline void free_bootmem_cpumask_var(cpumask_var_t mask) ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/cpumask.h:751:20: error: invalid storage class for function 'cpumask_available' static inline bool cpumask_available(cpumask_var_t mask) ^~~~~~~~~~~~~~~~~ include/linux/cpumask.h:774:20: error: invalid storage class for function 'reset_cpu_possible_mask' static inline void reset_cpu_possible_mask(void) ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/cpumask.h:780:1: error: invalid storage class for function 'set_cpu_possible' set_cpu_possible(unsigned int cpu, bool possible) ^~~~~~~~~~~~~~~~ include/linux/cpumask.h:789:1: error: invalid storage class for function 'set_cpu_present' set_cpu_present(unsigned int cpu, bool present) ^~~~~~~~~~~~~~~ include/linux/cpumask.h:798:1: error: invalid storage class for function 'set_cpu_online' set_cpu_online(unsigned int cpu, bool online) ^~~~~~~~~~~~~~ include/linux/cpumask.h:807:1: error: invalid storage class for function 'set_cpu_active' set_cpu_active(unsigned int cpu, bool active) ^~~~~~~~~~~~~~ include/linux/cpumask.h:830:19: error: invalid storage class for function '__check_is_bitmap' static inline int __check_is_bitmap(const unsigned long *bitmap) ^~~~~~~~~~~~~~~~~ include/linux/cpumask.h:845:37: error: invalid storage class for function 'get_cpu_mask' static inline const struct cpumask *get_cpu_mask(unsigned int cpu) ^~~~~~~~~~~~ include/linux/cpumask.h:880:1: error: invalid storage class for function 'cpumap_print_to_pagebuf' cpumap_print_to_pagebuf(bool list, char *buf, const struct cpumask *mask) ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/rculist.h:11:0, from include/linux/sched/signal.h:5, from kernel/locking/mutex.c:22: include/linux/rcupdate.h:80:20: error: invalid storage class for function '__rcu_read_lock' static inline void __rcu_read_lock(void) ^~~~~~~~~~~~~~~ include/linux/rcupdate.h:86:20: error: invalid storage class for function '__rcu_read_unlock' static inline void __rcu_read_unlock(void) ^~~~~~~~~~~~~~~~~ include/linux/rcupdate.h:92:20: error: invalid storage class for function 'synchronize_rcu' static inline void synchronize_rcu(void) ^~~~~~~~~~~~~~~ include/linux/rcupdate.h:97:19: error: invalid storage class for function 'rcu_preempt_depth' static inline int rcu_preempt_depth(void) ^~~~~~~~~~~~~~~~~ include/linux/rcupdate.h:118:20: error: invalid storage class for function 'rcu_sysrq_start' static inline void rcu_sysrq_start(void) { } ^~~~~~~~~~~~~~~ include/linux/rcupdate.h:119:20: error: invalid storage class for function 'rcu_sysrq_end' static inline void rcu_sysrq_end(void) { } ^~~~~~~~~~~~~ include/linux/rcupdate.h:126:20: error: invalid storage class for function 'rcu_user_enter' static inline void rcu_user_enter(void) { } ^~~~~~~~~~~~~~ include/linux/rcupdate.h:127:20: error: invalid storage class for function 'rcu_user_exit' static inline void rcu_user_exit(void) { } ^~~~~~~~~~~~~ include/linux/rcupdate.h:133:20: error: invalid storage class for function 'rcu_init_nohz' static inline void rcu_init_nohz(void) { } ^~~~~~~~~~~~~ include/linux/rcupdate.h:186:20: error: invalid storage class for function 'exit_tasks_rcu_start' static inline void exit_tasks_rcu_start(void) { } ^~~~~~~~~~~~~~~~~~~~ include/linux/rcupdate.h:187:20: error: invalid storage class for function 'exit_tasks_rcu_finish' static inline void exit_tasks_rcu_finish(void) { } ^~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/spinlock.h:90:0, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/linux/ktime.h:24, from include/linux/rcutiny.h:28, from include/linux/rcupdate.h:211, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from kernel/locking/mutex.c:22: >> include/linux/spinlock_up.h:29:20: error: invalid storage class for function 'arch_spin_lock' static inline void arch_spin_lock(arch_spinlock_t *lock) ^~~~~~~~~~~~~~ >> include/linux/spinlock_up.h:35:19: error: invalid storage class for function 'arch_spin_trylock' static inline int arch_spin_trylock(arch_spinlock_t *lock) ^~~~~~~~~~~~~~~~~ >> include/linux/spinlock_up.h:45:20: error: invalid storage class for function 'arch_spin_unlock' static inline void arch_spin_unlock(arch_spinlock_t *lock) ^~~~~~~~~~~~~~~~ In file included from include/linux/spinlock.h:288:0, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/linux/ktime.h:24, from include/linux/rcutiny.h:28, from include/linux/rcupdate.h:211, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from kernel/locking/mutex.c:22: >> include/linux/spinlock_api_smp.h:86:19: error: invalid storage class for function '__raw_spin_trylock' static inline int __raw_spin_trylock(raw_spinlock_t *lock) ^~~~~~~~~~~~~~~~~~ >> include/linux/spinlock_api_smp.h:104:29: error: invalid storage class for function '__raw_spin_lock_irqsave' static inline unsigned long __raw_spin_lock_irqsave(raw_spinlock_t *lock) ^~~~~~~~~~~~~~~~~~~~~~~ >> include/linux/spinlock_api_smp.h:124:20: error: invalid storage class for function '__raw_spin_lock_irq' static inline void __raw_spin_lock_irq(raw_spinlock_t *lock) ^~~~~~~~~~~~~~~~~~~ >> include/linux/spinlock_api_smp.h:132:20: error: invalid storage class for function '__raw_spin_lock_bh' static inline void __raw_spin_lock_bh(raw_spinlock_t *lock) ^~~~~~~~~~~~~~~~~~ >> include/linux/spinlock_api_smp.h:139:20: error: invalid storage class for function '__raw_spin_lock' static inline void __raw_spin_lock(raw_spinlock_t *lock) ^~~~~~~~~~~~~~~ >> include/linux/spinlock_api_smp.h:148:20: error: invalid storage class for function '__raw_spin_unlock' static inline void __raw_spin_unlock(raw_spinlock_t *lock) ^~~~~~~~~~~~~~~~~ >> include/linux/spinlock_api_smp.h:155:20: error: invalid storage class for function '__raw_spin_unlock_irqrestore' static inline void __raw_spin_unlock_irqrestore(raw_spinlock_t *lock, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> include/linux/spinlock_api_smp.h:164:20: error: invalid storage class for function '__raw_spin_unlock_irq' static inline void __raw_spin_unlock_irq(raw_spinlock_t *lock) ^~~~~~~~~~~~~~~~~~~~~ >> include/linux/spinlock_api_smp.h:172:20: error: invalid storage class for function '__raw_spin_unlock_bh' static inline void __raw_spin_unlock_bh(raw_spinlock_t *lock) ^~~~~~~~~~~~~~~~~~~~ >> include/linux/spinlock_api_smp.h:179:19: error: invalid storage class for function '__raw_spin_trylock_bh' static inline int __raw_spin_trylock_bh(raw_spinlock_t *lock) ^~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/spinlock_api_smp.h:190:0, from include/linux/spinlock.h:288, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/linux/ktime.h:24, from include/linux/rcutiny.h:28, from include/linux/rcupdate.h:211, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from kernel/locking/mutex.c:22: >> include/linux/rwlock_api_smp.h:117:19: error: invalid storage class for function '__raw_read_trylock' static inline int __raw_read_trylock(rwlock_t *lock) ^~~~~~~~~~~~~~~~~~ >> include/linux/rwlock_api_smp.h:128:19: error: invalid storage class for function '__raw_write_trylock' static inline int __raw_write_trylock(rwlock_t *lock) ^~~~~~~~~~~~~~~~~~~ >> include/linux/rwlock_api_smp.h:146:20: error: invalid storage class for function '__raw_read_lock' static inline void __raw_read_lock(rwlock_t *lock) ^~~~~~~~~~~~~~~ >> include/linux/rwlock_api_smp.h:153:29: error: invalid storage class for function '__raw_read_lock_irqsave' static inline unsigned long __raw_read_lock_irqsave(rwlock_t *lock) ^~~~~~~~~~~~~~~~~~~~~~~ >> include/linux/rwlock_api_smp.h:165:20: error: invalid storage class for function '__raw_read_lock_irq' static inline void __raw_read_lock_irq(rwlock_t *lock) ^~~~~~~~~~~~~~~~~~~ >> include/linux/rwlock_api_smp.h:173:20: error: invalid storage class for function '__raw_read_lock_bh' static inline void __raw_read_lock_bh(rwlock_t *lock) ^~~~~~~~~~~~~~~~~~ .. vim +/current_thread_info +90 arch/microblaze/include/asm/thread_info.h 4684dade Michal Simek 2009-03-27 88 4684dade Michal Simek 2009-03-27 89 /* how to get the thread information struct from C */ 4684dade Michal Simek 2009-03-27 @90 static inline struct thread_info *current_thread_info(void) 4684dade Michal Simek 2009-03-27 91 { 4684dade Michal Simek 2009-03-27 92 register unsigned long sp asm("r1"); 4684dade Michal Simek 2009-03-27 93 4684dade Michal Simek 2009-03-27 94 return (struct thread_info *)(sp & ~(THREAD_SIZE-1)); 4684dade Michal Simek 2009-03-27 95 } 4684dade Michal Simek 2009-03-27 96 :::::: The code at line 90 was first introduced by commit :::::: 4684dadec6ca3f310b0d9ff1860ca6b6f11ffd2d microblaze_v8: string.h thread_info.h :::::: TO: Michal Simek <monstr at monstr.eu> :::::: CC: Michal Simek <monstr at monstr.eu> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -------------- next part -------------- A non-text attachment was scrubbed... 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