KVM: x86: Add comment on vcpu_enter_guest()'s return value
Giving proper names to the 0 and 1 was once suggested. But since 0 is returned to the userspace, giving it another name can introduce extra confusion. This patch just explains the meanings instead. Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -5865,6 +5865,11 @@ static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu)
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kvm_apic_update_tmr(vcpu, tmr);
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}
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/*
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* Returns 1 to let __vcpu_run() continue the guest execution loop without
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* exiting to the userspace. Otherwise, the value will be returned to the
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* userspace.
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*/
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static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
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{
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int r;
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