EE is hard-disabled on entry to kvmppc_handle_exit(), so call hard_irq_disable() so that PACA_IRQ_HARD_DIS is set, and soft_enabled is unset. Without this, we get warnings such as arch/powerpc/kernel/time.c:300, and sometimes host kernel hangs. Signed-off-by: Scott Wood <scottwood@xxxxxxxxxxxxx> --- arch/powerpc/kvm/booke.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 1020119..705fc5c 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -833,6 +833,11 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, int r = RESUME_HOST; int s; +#ifdef CONFIG_PPC64 + WARN_ON(local_paca->irq_happened != 0); +#endif + hard_irq_disable(); + /* update before a new last_exit_type is rewritten */ kvmppc_update_timing_stats(vcpu); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
