Commit 9357d939 authored Dec 13, 2013 by Takuya Yoshikawa Committed by Paolo Bonzini Dec 13, 2013

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>

parent c08ac06a

arch/x86/kvm/x86.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -5865,6 +5865,11 @@ static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu)
		kvm_apic_update_tmr(vcpu, tmr);
		}

		/*
		* Returns 1 to let __vcpu_run() continue the guest execution loop without
		* exiting to the userspace. Otherwise, the value will be returned to the
		* userspace.
		*/
		static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
		{
		int r;