From mboxrd@z Thu Jan 1 00:00:00 1970 From: Antonios Motakis Subject: [RFC PATCH 2/4] KVM: irqfd should depend on CONFIG_HAVE_KVM_IRQ_ROUTING Date: Thu, 13 Mar 2014 16:57:27 +0100 Message-ID: <1394726249-1547-3-git-send-email-a.motakis@virtualopensystems.com> References: <1394726249-1547-1-git-send-email-a.motakis@virtualopensystems.com> Cc: tech@virtualopensystems.com, n.nikolaev@virtualopensystems.com, agraf@suse.de, christoffer.dall@linaro.org, marc.zyngier@arm.com, Antonios Motakis , Gleb Natapov , Paolo Bonzini , kvm@vger.kernel.org (open list:KERNEL VIRTUAL MA...), linux-kernel@vger.kernel.org (open list) To: kvmarm@lists.cs.columbia.edu Return-path: Received: from mail-wi0-f173.google.com ([209.85.212.173]:51238 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753941AbaCMP6D (ORCPT ); Thu, 13 Mar 2014 11:58:03 -0400 Received: by mail-wi0-f173.google.com with SMTP id f8so4127941wiw.0 for ; Thu, 13 Mar 2014 08:58:01 -0700 (PDT) In-Reply-To: <1394726249-1547-1-git-send-email-a.motakis@virtualopensystems.com> Sender: kvm-owner@vger.kernel.org List-ID: With an ARM VGIC we have an IRQ chip in the kernel (using the hardware support), but the irqfd feature is still not available due to a dependency on IRQ routing. The prototypes of kvm_irqfd and kvm_irqfd_release should be conditionally compiled depending on HAVE_KVM_IRQ_ROUTING instead of HAVE_KVM_IRQCHIP. Signed-off-by: Antonios Motakis Signed-off-by: Nikolay Nikolaev --- include/linux/kvm_host.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index b8e9a43..8728159 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -936,7 +936,7 @@ static inline void kvm_free_irq_routing(struct kvm *kvm) {} void kvm_eventfd_init(struct kvm *kvm); int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args); -#ifdef CONFIG_HAVE_KVM_IRQCHIP +#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args); void kvm_irqfd_release(struct kvm *kvm); void kvm_irq_routing_update(struct kvm *, struct kvm_irq_routing_table *); -- 1.8.3.2