Re: [PATCH v2 1/6] KVM: x86: don't allow kernel irqchip with split irqchip

From: David Hildenbrand
Date: Tue Jan 03 2017 - 07:16:07 EST


Am 16.12.2016 um 16:10 schrieb Radim KrÄmÃÅ:
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@xxxxxxxxxx>
Signed-off-by: Radim KrÄmÃÅ <rkrcmar@xxxxxxxxxx>
---
v2: r-b Paolo
---
arch/x86/kvm/x86.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 1f0d2383f5ee..e670591337af 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3939,7 +3939,7 @@ 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)


Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--

David