Function report |
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:ry_stop_cpus - try to stop multiple cpus*@cpumask: cpus to stop*@fn: function to execute*@arg: argument to @fn* Identical to stop_cpus() except that it fails with -EAGAIN if* someone else is already using the facility
Proto:int try_stop_cpus(const struct cpumask *cpumask, cpu_stop_fn_t fn, void *arg)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
const struct cpumask * | cpumask | |
cpu_stop_fn_t | fn | |
void * | arg |
479 | If Not mutex_trylock - try to acquire the mutex, without waiting*@lock: the mutex to be acquired* Try to acquire the mutex atomically Then Return -EAGAIN |
481 | ret = __stop_cpus(cpumask, fn, arg) |
483 | Return ret |
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