KVM: PPC: Book3S: Enable IRQs during exit handling



While handling an exit, we should listen for interrupts and make sure to
receive them when they arrive, to keep our latencies low.

Signed-off-by: Alexander Graf <agraf@suse.de>

parent 11f7d6c2

arch/powerpc/kvm/book3s_pr.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -548,6 +548,9 @@ int kvmppc_handle_exit(struct kvm_run run, struct kvm_vcpu vcpu,
		run->exit_reason = KVM_EXIT_UNKNOWN;
		run->ready_for_interrupt_injection = 1;

		/* We get here with MSR.EE=0, so enable it to be a nice citizen */
		__hard_irq_enable();

		trace_kvm_book3s_exit(exit_nr, vcpu);
		preempt_enable();
		kvm_resched(vcpu);