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[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: Jacob Shin <jacob.shin@amd.com>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
shin, jacob 2006-03-27 09:57:20 -06:00 committed by Dave Jones
parent 0bb065f29b
commit eef5167e50
1 changed files with 6 additions and 1 deletions
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7
arch/i386/kernel/cpu/cpufreq/powernow-k8.c
View File

@ -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);