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KVM: x86: Break kvm_for_each_vcpu loop after finding the VP_INDEX

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No need to scan the entire VCPU array.

Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Takuya Yoshikawa 2014-02-27 15:08:31 +09:00 • committed by Paolo Bonzini
parent 9cac38dd5d
commit 684851a157
1 changed files with 5 additions and 2 deletions
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7
arch/x86/kvm/x86.c
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@ -2328,9 +2328,12 @@ static int get_msr_hyperv(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
case HV_X64_MSR_VP_INDEX: {
int r;
struct kvm_vcpu *v;
kvm_for_each_vcpu(r, v, vcpu->kvm)
if (v == vcpu)
kvm_for_each_vcpu(r, v, vcpu->kvm) {
if (v == vcpu) {
data = r;
break;
}
}
break;
}
case HV_X64_MSR_EOI: