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-rw-r--r--include/linux/stop_machine.h19
1 files changed, 1 insertions, 18 deletions
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index f1cb0ba6d715..faf1519b5adc 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -3,16 +3,13 @@
3/* "Bogolock": stop the entire machine, disable interrupts. This is a 3/* "Bogolock": stop the entire machine, disable interrupts. This is a
4 very heavy lock, which is equivalent to grabbing every spinlock 4 very heavy lock, which is equivalent to grabbing every spinlock
5 (and more). So the "read" side to such a lock is anything which 5 (and more). So the "read" side to such a lock is anything which
6 diables preeempt. */ 6 disables preeempt. */
7#include <linux/cpu.h> 7#include <linux/cpu.h>
8#include <linux/cpumask.h> 8#include <linux/cpumask.h>
9#include <asm/system.h> 9#include <asm/system.h>
10 10
11#if defined(CONFIG_STOP_MACHINE) && defined(CONFIG_SMP) 11#if defined(CONFIG_STOP_MACHINE) && defined(CONFIG_SMP)
12 12
13/* Deprecated, but useful for transition. */
14#define ALL_CPUS ~0U
15
16/** 13/**
17 * stop_machine: freeze the machine on all CPUs and run this function 14 * stop_machine: freeze the machine on all CPUs and run this function
18 * @fn: the function to run 15 * @fn: the function to run
@@ -50,18 +47,4 @@ static inline int stop_machine(int (*fn)(void *), void *data,
50 return ret; 47 return ret;
51} 48}
52#endif /* CONFIG_SMP */ 49#endif /* CONFIG_SMP */
53
54static inline int __deprecated stop_machine_run(int (*fn)(void *), void *data,
55 unsigned int cpu)
56{
57 /* If they don't care which cpu fn runs on, just pick one. */
58 if (cpu == NR_CPUS)
59 return stop_machine(fn, data, NULL);
60 else if (cpu == ~0U)
61 return stop_machine(fn, data, &cpu_possible_map);
62 else {
63 cpumask_t cpus = cpumask_of_cpu(cpu);
64 return stop_machine(fn, data, &cpus);
65 }
66}
67#endif /* _LINUX_STOP_MACHINE */ 50#endif /* _LINUX_STOP_MACHINE */