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KVM: Fix preemption counter leak in kvm_timer_init()

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Based on a patch from Thomas Meyer.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2010-12-16 12:16:34 +02:00
parent 73c1160ce3
commit 3e26f23091
1 changed files with 3 additions and 1 deletions
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4
arch/x86/kvm/x86.c
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@ -4564,9 +4564,11 @@ 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());
cpu = get_cpu();
cpufreq_get_policy(&policy, cpu);
if (policy.cpuinfo.max_freq)
max_tsc_khz = policy.cpuinfo.max_freq;
put_cpu();
#endif
cpufreq_register_notifier(&kvmclock_cpufreq_notifier_block,
CPUFREQ_TRANSITION_NOTIFIER);