diff options
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index b5edc8e3ce1d..22cc90baa67f 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; } |