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Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d75bb97b983c..b9591abde62a 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6698,10 +6698,8 @@ static void kvm_hyperv_tsc_notifier(void)
}
#endif
-static int kvmclock_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
- void *data)
+static void __kvmclock_cpufreq_notifier(struct cpufreq_freqs *freq, int cpu)
{
- struct cpufreq_freqs *freq = data;
struct kvm *kvm;
struct kvm_vcpu *vcpu;
int i, send_ipi = 0;
@@ -6745,17 +6743,12 @@ static int kvmclock_cpufreq_notifier(struct notifier_block *nb, unsigned long va
*
*/
- if (val == CPUFREQ_PRECHANGE && freq->old > freq->new)
- return 0;
- if (val == CPUFREQ_POSTCHANGE && freq->old < freq->new)
- return 0;
-
- smp_call_function_single(freq->cpu, tsc_khz_changed, freq, 1);
+ smp_call_function_single(cpu, tsc_khz_changed, freq, 1);
spin_lock(&kvm_lock);
list_for_each_entry(kvm, &vm_list, vm_list) {
kvm_for_each_vcpu(i, vcpu, kvm) {
- if (vcpu->cpu != freq->cpu)
+ if (vcpu->cpu != cpu)
continue;
kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu);
if (vcpu->cpu != smp_processor_id())
@@ -6777,8 +6770,24 @@ static int kvmclock_cpufreq_notifier(struct notifier_block *nb, unsigned long va
* guest context is entered kvmclock will be updated,
* so the guest will not see stale values.
*/
- smp_call_function_single(freq->cpu, tsc_khz_changed, freq, 1);
+ smp_call_function_single(cpu, tsc_khz_changed, freq, 1);
}
+}
+
+static int kvmclock_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
+ void *data)
+{
+ struct cpufreq_freqs *freq = data;
+ int cpu;
+
+ if (val == CPUFREQ_PRECHANGE && freq->old > freq->new)
+ return 0;
+ if (val == CPUFREQ_POSTCHANGE && freq->old < freq->new)
+ return 0;
+
+ for_each_cpu(cpu, freq->policy->cpus)
+ __kvmclock_cpufreq_notifier(freq, cpu);
+
return 0;
}