diff options
Diffstat (limited to 'include/linux/stop_machine.h')
| -rw-r--r-- | include/linux/stop_machine.h | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h index 01011113d226..84e7fb627ba4 100644 --- a/include/linux/stop_machine.h +++ b/include/linux/stop_machine.h @@ -2,6 +2,7 @@ #ifndef _LINUX_STOP_MACHINE #define _LINUX_STOP_MACHINE +#include <linux/bug.h> #include <linux/cpu.h> #include <linux/cpumask_types.h> #include <linux/smp.h> @@ -31,7 +32,7 @@ struct cpu_stop_work { int stop_one_cpu(unsigned int cpu, cpu_stop_fn_t fn, void *arg); int stop_two_cpus(unsigned int cpu1, unsigned int cpu2, cpu_stop_fn_t fn, void *arg); -bool stop_one_cpu_nowait(unsigned int cpu, cpu_stop_fn_t fn, void *arg, +void stop_one_cpu_nowait(unsigned int cpu, cpu_stop_fn_t fn, void *arg, struct cpu_stop_work *work_buf); void stop_machine_park(int cpu); void stop_machine_unpark(int cpu); @@ -68,19 +69,17 @@ static void stop_one_cpu_nowait_workfn(struct work_struct *work) preempt_enable(); } -static inline bool stop_one_cpu_nowait(unsigned int cpu, +static inline void stop_one_cpu_nowait(unsigned int cpu, cpu_stop_fn_t fn, void *arg, struct cpu_stop_work *work_buf) { - if (cpu == smp_processor_id()) { - INIT_WORK(&work_buf->work, stop_one_cpu_nowait_workfn); - work_buf->fn = fn; - work_buf->arg = arg; - schedule_work(&work_buf->work); - return true; - } - - return false; + if (WARN_ON_ONCE(cpu != smp_processor_id())) + return; + + INIT_WORK(&work_buf->work, stop_one_cpu_nowait_workfn); + work_buf->fn = fn; + work_buf->arg = arg; + schedule_work(&work_buf->work); } static inline void print_stop_info(const char *log_lvl, struct task_struct *task) { } |