linux-kernel - [PATCH v7 11/17] KVM: Define two weak arch callbacks for irq bypass manager

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Date:	Tue, 25 Aug 2015 16:50:14 +0800
From:	Feng Wu <feng.wu@...el.com>
To:	pbonzini@...hat.com, alex.williamson@...hat.com, joro@...tes.org,
	mtosatti@...hat.com
Cc:	eric.auger@...aro.org, kvm@...r.kernel.org,
	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Feng Wu <feng.wu@...el.com>
Subject: [PATCH v7 11/17] KVM: Define two weak arch callbacks for irq bypass manager

Define two weak arch callbacks so that archs that don't need
them don't need define them.

Signed-off-by: Feng Wu <feng.wu@...el.com>
---
 virt/kvm/eventfd.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index d7a230f..f3050b9 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -256,6 +256,16 @@ static void irqfd_update(struct kvm *kvm, struct kvm_kernel_irqfd *irqfd)
 	write_seqcount_end(&irqfd->irq_entry_sc);
 }
 
+void __attribute__((weak)) kvm_arch_irq_bypass_stop(
+				struct irq_bypass_consumer *cons)
+{
+}
+
+void __attribute__((weak)) kvm_arch_irq_bypass_start(
+				struct irq_bypass_consumer *cons)
+{
+}
+
 static int
 kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
 {
-- 
2.1.0

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