From 3b1d9d7d95e7c62518160edebd92450b58c6d55f Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Mon, 30 Apr 2012 10:56:12 +0200 Subject: [PATCH] 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 --- arch/powerpc/kvm/book3s_pr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index dba282e5093f..d169a0aa4887 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -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); -- 2.34.1