From 112cecb2cc0e7341db92281ba04b26c41bb8146d Mon Sep 17 00:00:00 2001
From: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Date: Wed, 6 Dec 2006 20:34:31 -0800
Subject: [PATCH] [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>
---
kernel/cpu.c | 6 +-----
1 file changed, 1 insertion(+), 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
*/
--
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