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authorStephen Rothwell <sfr@canb.auug.org.au>2011-07-25 13:59:46 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-07-25 14:53:52 -0400
commit5f00bcb38ef9a980a33c6dbdc0044964b05f22dd (patch)
tree3175fb9375aecb50bde1be0bf4fa8aa8155131d6 /include/linux/stop_machine.h
parent34006cee28f7344f9557a4be3816c7891b1bbab1 (diff)
parentb6844e8f64920cdee620157252169ba63afb0c89 (diff)
Merge branch 'master' into devel and apply fixup from Stephen Rothwell:
vfs/nfs: fixup for nfs_open_context change Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/stop_machine.h')
-rw-r--r--include/linux/stop_machine.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index 092dc9b1ce7..4a9d0c7edc6 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -124,15 +124,19 @@ int stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus);
*/
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,
const struct cpumask *cpus)
{
+ unsigned long flags;
int ret;
- local_irq_disable();
+ local_irq_save(flags);
ret = fn(data);
- local_irq_enable();
+ local_irq_restore(flags);
return ret;
}
@@ -142,5 +146,11 @@ static inline int stop_machine(int (*fn)(void *), void *data,
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);
+}
+
#endif /* CONFIG_STOP_MACHINE && CONFIG_SMP */
#endif /* _LINUX_STOP_MACHINE */