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Remove deprecated stop_machine_run: fix Xen

PATCH New Rusty Russell 1 participant 2 messages Aug 18, 2008 Xen hypervisor interface

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#0 lore raw

PATCH 1/2 Remove deprecated stop_machine_run: fix Xen

This is the last use of (the deprecated) stop_machine_run in the tree.

---
 drivers/xen/manage.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/xen/manage.c +1 -1
diff -r 332ec042cb4d drivers/xen/manage.c
@@ -102,7 +102,7 @@ static void do_suspend(void)
 	/* XXX use normal device tree? */
 	xenbus_suspend();
 
-	err = stop_machine_run(xen_suspend, &cancelled, 0);
+	err = stop_machine(xen_suspend, &cancelled, &cpumask_of_cpu(0));
 	if (err) {
 		printk(KERN_ERR "failed to start xen_suspend: %d\n", err);
 		goto out;
#1 lore raw

PATCH 2/2 Remove deprecated stop_machine_run

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

---
 include/linux/stop_machine.h |   19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)
include/linux/stop_machine.h +1 -18
diff -r 80bd8b4418f0 include/linux/stop_machine.h
@@ -3,15 +3,12 @@
 /* "Bogolock": stop the entire machine, disable interrupts.  This is a
    very heavy lock, which is equivalent to grabbing every spinlock
    (and more).  So the "read" side to such a lock is anything which
-   diables preeempt. */
+   disables preeempt. */
 #include <linux/cpu.h>
 #include <linux/cpumask.h>
 #include <asm/system.h>
 
 #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
@@ -50,18 +47,4 @@ static inline int stop_machine(int (*fn)
 	return ret;
 }
 #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 */