linux-kernel - [RFC PATCH 2/4] KVM: irqfd should depend on CONFIG_HAVE_KVM_IRQ

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Message-Id: <1394726249-1547-3-git-send-email-a.motakis@virtualopensystems.com>
Date:	Thu, 13 Mar 2014 16:57:27 +0100
From:	Antonios Motakis <a.motakis@...tualopensystems.com>
To:	kvmarm@...ts.cs.columbia.edu
Cc:	tech@...tualopensystems.com, n.nikolaev@...tualopensystems.com,
	agraf@...e.de, christoffer.dall@...aro.org, marc.zyngier@....com,
	Antonios Motakis <a.motakis@...tualopensystems.com>,
	Gleb Natapov <gleb@...nel.org>,
	Paolo Bonzini <pbonzini@...hat.com>,
	kvm@...r.kernel.org (open list:KERNEL VIRTUAL MA...),
	linux-kernel@...r.kernel.org (open list)
Subject: [RFC PATCH 2/4] KVM: irqfd should depend on CONFIG_HAVE_KVM_IRQ_ROUTING

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 <a.motakis@...tualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@...tualopensystems.com>
---
 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

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