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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

include/linux/stop_machine.h

+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 */