[PATCH] Fix preempt imbalance in kvm_timer_init()

[Thomas Meyer]

Signed-off-by: Thomas Meyer <tho...@m3y3r.de>
---
 arch/x86/kvm/x86.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index cdac9e5..2609c3d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4561,7 +4561,7 @@ static struct notifier_block kvmclock_cpu_notifier_block 
= {
 
 static void kvm_timer_init(void)
 {
-       int cpu;
+       int cpu = get_cpu();
 
        max_tsc_khz = tsc_khz;
        register_hotcpu_notifier(&kvmclock_cpu_notifier_block);
@@ -4569,13 +4569,14 @@ static void kvm_timer_init(void)
 #ifdef CONFIG_CPU_FREQ
                struct cpufreq_policy policy;
                memset(&policy, 0, sizeof(policy));
-               cpufreq_get_policy(&policy, get_cpu());
+               cpufreq_get_policy(&policy, cpu);
                if (policy.cpuinfo.max_freq)
                        max_tsc_khz = policy.cpuinfo.max_freq;
 #endif
                cpufreq_register_notifier(&kvmclock_cpufreq_notifier_block,
                                          CPUFREQ_TRANSITION_NOTIFIER);
        }
+       put_cpu();
        pr_debug("kvm: max_tsc_khz = %ld\n", max_tsc_khz);
        for_each_online_cpu(cpu)
                smp_call_function_single(cpu, tsc_khz_changed, NULL, 1);
-- 
1.7.3.3


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