From 684851a15744355f294ee3fee4ca2e9108382b47 Mon Sep 17 00:00:00 2001 From: Takuya Yoshikawa Date: Thu, 27 Feb 2014 15:08:31 +0900 Subject: [PATCH] KVM: x86: Break kvm_for_each_vcpu loop after finding the VP_INDEX No need to scan the entire VCPU array. Signed-off-by: Takuya Yoshikawa Signed-off-by: Paolo Bonzini --- arch/x86/kvm/x86.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4cca45853dfe..773eba799c45 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -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: -- 2.20.1