[PATCH] suspend: don't change cpus_allowed for task initiating the suspend

Don't modify the cpus_allowed of the task initiating the suspend.
_cpu_down() already makes sure that the task doing the suspend doesn't run
on dying cpu.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Nigel Cunningham <nigel@suspend2.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 272254f20d97..9124669f4586 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -270,11 +270,7 @@ int disable_nonboot_cpus(void)
                         goto out;
                 }
         }
-        error = set_cpus_allowed(current, cpumask_of_cpu(first_cpu));
-        if (error) {
-                printk(KERN_ERR "Could not run on CPU%d\n", first_cpu);
-                goto out;
-        }
+
         /* We take down all of the non-boot CPUs in one shot to avoid races
          * with the userspace trying to use the CPU hotplug at the same time
          */