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stop_machine: Make stop_cpus() static

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The function stop_cpus() is only used internally by the
stop_machine for stop multiple cpus.

Make it static.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20191228161912.24082-1-tiny.windzz@gmail.com
This commit is contained in:
Yangtao Li 2019-12-28 16:19:12 +00:00 committed by Peter Zijlstra
parent 02d4ac5885
commit 35f4cd96f5
2 changed files with 1 additions and 10 deletions
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9
include/linux/stop_machine.h
View File

@ -32,7 +32,6 @@ 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,
struct cpu_stop_work *work_buf);
int stop_cpus(const struct cpumask *cpumask, cpu_stop_fn_t fn, void *arg);
void stop_machine_park(int cpu);
void stop_machine_unpark(int cpu);
void stop_machine_yield(const struct cpumask *cpumask);
@ -81,14 +80,6 @@ static inline bool stop_one_cpu_nowait(unsigned int cpu,
return false;
}
static inline int stop_cpus(const struct cpumask *cpumask,
cpu_stop_fn_t fn, void *arg)
{
if (cpumask_test_cpu(raw_smp_processor_id(), cpumask))
return stop_one_cpu(raw_smp_processor_id(), fn, arg);
return -ENOENT;
}
#endif /* CONFIG_SMP */
/*

2
kernel/stop_machine.c
View File

@ -442,7 +442,7 @@ static int __stop_cpus(const struct cpumask *cpumask,
* @cpumask were offline; otherwise, 0 if all executions of @fn
* returned 0, any non zero return value if any returned non zero.
*/
int stop_cpus(const struct cpumask *cpumask, cpu_stop_fn_t fn, void *arg)
static int stop_cpus(const struct cpumask *cpumask, cpu_stop_fn_t fn, void *arg)
{
int ret;