... by allocating the necessary cpufreq_policy structures.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Index: 2008-09-19/xen/arch/x86/acpi/cpufreq/powernow.c
==================================================================---
2008-09-19.orig/xen/arch/x86/acpi/cpufreq/powernow.c 2008-09-19
13:44:18.000000000 +0200
+++ 2008-09-19/xen/arch/x86/acpi/cpufreq/powernow.c 2008-09-19
15:44:48.000000000 +0200
@@ -283,9 +283,27 @@ int powernow_cpufreq_init(void)
/* setup cpufreq infrastructure */
for_each_online_cpu(i) {
- cpufreq_cpu_policy[i]->cpu = i;
+ struct cpufreq_policy *policy = cpufreq_cpu_policy[i];
- ret = powernow_cpufreq_cpu_init(cpufreq_cpu_policy[i]);
+ if (!policy) {
+ unsigned int firstcpu;
+
+ firstcpu = first_cpu(processor_pminfo[i]->perf.shared_cpu_map);
+ if (i == firstcpu) {
+ policy = xmalloc(struct cpufreq_policy);
+ if (!policy) {
+ ret = -ENOMEM;
+ goto cpufreq_init_out;
+ }
+ memset(policy, 0, sizeof(struct cpufreq_policy));
+ policy->cpu = i;
+ } else
+ policy = cpufreq_cpu_policy[firstcpu];
+ cpu_set(i, policy->cpus);
+ cpufreq_cpu_policy[i] = policy;
+ }
+
+ ret = powernow_cpufreq_cpu_init(policy);
if (ret)
goto cpufreq_init_out;
}
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