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Commit bf200296 authored by Rusty Russell's avatar Rusty Russell
Browse files

stop_machine: Remove deprecated stop_machine_run



Everyone should be using stop_machine() now.  The staged API
transition helped life in linux-next.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 37a7c0f3
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+1 −18
Original line number Original line Diff line number Diff line
@@ -3,16 +3,13 @@
/* "Bogolock": stop the entire machine, disable interrupts.  This is a
/* "Bogolock": stop the entire machine, disable interrupts.  This is a
   very heavy lock, which is equivalent to grabbing every spinlock
   very heavy lock, which is equivalent to grabbing every spinlock
   (and more).  So the "read" side to such a lock is anything which
   (and more).  So the "read" side to such a lock is anything which
   diables preeempt. */
   disables preeempt. */
#include <linux/cpu.h>
#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/cpumask.h>
#include <asm/system.h>
#include <asm/system.h>


#if defined(CONFIG_STOP_MACHINE) && defined(CONFIG_SMP)
#if defined(CONFIG_STOP_MACHINE) && defined(CONFIG_SMP)


/* Deprecated, but useful for transition. */
#define ALL_CPUS ~0U

/**
/**
 * stop_machine: freeze the machine on all CPUs and run this function
 * stop_machine: freeze the machine on all CPUs and run this function
 * @fn: the function to run
 * @fn: the function to run
@@ -50,18 +47,4 @@ static inline int stop_machine(int (*fn)(void *), void *data,
	return ret;
	return ret;
}
}
#endif /* CONFIG_SMP */
#endif /* CONFIG_SMP */

static inline int __deprecated stop_machine_run(int (*fn)(void *), void *data,
						unsigned int cpu)
{
	/* If they don't care which cpu fn runs on, just pick one. */
	if (cpu == NR_CPUS)
		return stop_machine(fn, data, NULL);
	else if (cpu == ~0U)
		return stop_machine(fn, data, &cpu_possible_map);
	else {
		cpumask_t cpus = cpumask_of_cpu(cpu);
		return stop_machine(fn, data, &cpus);
	}
}
#endif /* _LINUX_STOP_MACHINE */
#endif /* _LINUX_STOP_MACHINE */