Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\stop_machine.c Create Date:2022-07-28 11:21:06
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:stop_cpus - stop multiple cpus*@cpumask: cpus to stop*@fn: function to execute*@arg: argument to @fn* Execute @fn(@arg) on online cpus in @cpumask. On each target cpu,*@fn is run in a process context with the highest priority

Proto:int stop_cpus(const struct cpumask *cpumask, cpu_stop_fn_t fn, void *arg)

Type:int

Parameter:

TypeParameterName
const struct cpumask *cpumask
cpu_stop_fn_tfn
void *arg
450  mutex_lock( & static data for stop_cpus )
451  ret = __stop_cpus(cpumask, fn, arg)
452  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
453  Return ret
Caller
NameDescribe
stop_machine_cpuslocked