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authorOleg Nesterov <oleg@redhat.com>2015-06-30 04:29:51 +0300
committerIngo Molnar <mingo@kernel.org>2015-08-03 13:21:26 +0300
commit7eeb088e72048bf4660f64fc3824c8066cf17591 (patch)
treefa8bbba404bf4d6c7a1f2a7a5820ccb12a4a83e9 /include
parentb377c2a089d4538e6e62e51fa595c896c314d83d (diff)
downloadlinux-7eeb088e72048bf4660f64fc3824c8066cf17591.tar.xz
stop_machine: Unexport __stop_machine()
The only caller outside of stop_machine.c is _cpu_down(), it can use stop_machine(). get_online_cpus() is fine under cpu_hotplug_begin(). Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: dave@stgolabs.net Cc: der.herr@hofr.at Cc: paulmck@linux.vnet.ibm.com Cc: riel@redhat.com Cc: viro@ZenIV.linux.org.uk Link: http://lkml.kernel.org/r/20150630012951.GA23934@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/stop_machine.h22
1 files changed, 2 insertions, 20 deletions
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index d2abbdb8c6aa..0fca276a0537 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -114,23 +114,11 @@ static inline int try_stop_cpus(const struct cpumask *cpumask,
* grabbing every spinlock in the kernel. */
int stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus);
-/**
- * __stop_machine: freeze the machine on all CPUs and run this function
- * @fn: the function to run
- * @data: the data ptr for the @fn
- * @cpus: the cpus to run the @fn() on (NULL = any online cpu)
- *
- * Description: This is a special version of the above, which assumes cpus
- * won't come or go while it's being called. Used by hotplug cpu.
- */
-int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus);
-
int stop_machine_from_inactive_cpu(int (*fn)(void *), void *data,
const struct cpumask *cpus);
-
#else /* CONFIG_STOP_MACHINE && CONFIG_SMP */
-static inline int __stop_machine(int (*fn)(void *), void *data,
+static inline int stop_machine(int (*fn)(void *), void *data,
const struct cpumask *cpus)
{
unsigned long flags;
@@ -141,16 +129,10 @@ static inline int __stop_machine(int (*fn)(void *), void *data,
return ret;
}
-static inline int stop_machine(int (*fn)(void *), void *data,
- const struct cpumask *cpus)
-{
- return __stop_machine(fn, data, cpus);
-}
-
static inline int stop_machine_from_inactive_cpu(int (*fn)(void *), void *data,
const struct cpumask *cpus)
{
- return __stop_machine(fn, data, cpus);
+ return stop_machine(fn, data, cpus);
}
#endif /* CONFIG_STOP_MACHINE && CONFIG_SMP */