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Commit eef5167e authored by Jacob Shin's avatar Jacob Shin Committed by Dave Jones
Browse files

[CPUFREQ] hotplug cpu fix for powernow-k8 



Andi's previous fix to initialise powernow_data on all siblings
will not work properly with CPU Hotplug.

Signed-off-by: default avatarJacob Shin <jacob.shin@amd.com>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
parent 0bb065f2

arch/i386/kernel/cpu/cpufreq/powernow-k8.c

+6 −1
Original line number Diff line number Diff line
@@ -1095,10 +1095,15 @@ static int __devexit powernowk8_cpu_exit (struct cpufreq_policy *pol) 


static unsigned int powernowk8_get (unsigned int cpu)

{

	struct powernow_k8_data *data = powernow_data[cpu];

	struct powernow_k8_data *data;

	cpumask_t oldmask = current->cpus_allowed;

	unsigned int khz = 0;



	data = powernow_data[first_cpu(cpu_core_map[cpu])];



	if (!data)

		return -EINVAL;



	set_cpus_allowed(current, cpumask_of_cpu(cpu));

	if (smp_processor_id() != cpu) {

		printk(KERN_ERR PFX "limiting to CPU %d failed in powernowk8_get\n", cpu);