* [patch] don't change cpus_allowed for task initiating the suspend
@ 2006-11-02 18:01 Siddha, Suresh B
0 siblings, 0 replies; only message in thread
From: Siddha, Suresh B @ 2006-11-02 18:01 UTC (permalink / raw)
To: rjw, pavel, akpm; +Cc: linux-kernel, venkatesh.pallipadi
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>
---
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 663c920..d21756a 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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2006-11-02 18:01 [patch] don't change cpus_allowed for task initiating the suspend Siddha, Suresh B
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