The patch titled
suspend: don't change cpus_allowed for task initiating the suspend
has been added to the -mm tree. Its filename is
suspend-dont-change-cpus_allowed-for-task-initiating-the-suspend.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: suspend: don't change cpus_allowed for task initiating the suspend
From: "Siddha, Suresh B" <suresh.b.siddha@xxxxxxxxx>
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@xxxxxxxxx>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxx>
Cc: Nigel Cunningham <nigel@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
kernel/cpu.c | 6 +-----
1 files changed, 1 insertion(+), 5 deletions(-)
diff -puN kernel/cpu.c~suspend-dont-change-cpus_allowed-for-task-initiating-the-suspend kernel/cpu.c
--- a/kernel/cpu.c~suspend-dont-change-cpus_allowed-for-task-initiating-the-suspend
+++ a/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
*/
_
Patches currently in -mm which might be from suresh.b.siddha@xxxxxxxxx are
suspend-dont-change-cpus_allowed-for-task-initiating-the-suspend.patch
-
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