Commit 112cecb2 authored Dec 06, 2006 by Siddha, Suresh B Committed by Linus Torvalds Dec 07, 2006

[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>

parent 2d4a34c9

kernel/cpu.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -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
		*/