From: Radim Krčmář <rkrcmar@redhat.com>
Date: Fri, 16 Dec 2016 15:10:01 +0000 (+0100)
Subject: KVM: x86: don't allow kernel irqchip with split irqchip
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=35e6eaa3df55822d0cb1df3bf08e6cb816737131;p=openwrt%2Fstaging%2Fblogic.git

KVM: x86: don't allow kernel irqchip with split irqchip

Split irqchip cannot be created after creating the kernel irqchip, but
we forgot to restrict the other way.  This is an API change.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2f22810a7e0c..c72a8d00a1c0 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3961,7 +3961,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
 
 		mutex_lock(&kvm->lock);
 		r = -EEXIST;
-		if (kvm->arch.vpic)
+		if (irqchip_in_kernel(kvm))
 			goto create_irqchip_unlock;
 		r = -EINVAL;
 		if (kvm->created_vcpus)