We will have different KVM devices for interrupts, one for the
XICS-over-XIVE mode and one for the XIVE native exploitation
mode. Let's add some checks to make sure we are not mixing the
interfaces in KVM.
Signed-off-by: Cédric Le Goater <clg@xxxxxxxx>
---
arch/powerpc/kvm/book3s_xive.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c
index f78d002f0fe0..8a4fa45f07f8 100644
--- a/arch/powerpc/kvm/book3s_xive.c
+++ b/arch/powerpc/kvm/book3s_xive.c
@@ -819,6 +819,9 @@ u64 kvmppc_xive_get_icp(struct kvm_vcpu *vcpu)
{
struct kvmppc_xive_vcpu *xc = vcpu->arch.xive_vcpu;
+ if (!kvmppc_xics_enabled(vcpu))
+ return -EPERM;
+
if (!xc)
return 0;
@@ -835,6 +838,9 @@ int kvmppc_xive_set_icp(struct kvm_vcpu *vcpu, u64 icpval)
u8 cppr, mfrr;
u32 xisr;
+ if (!kvmppc_xics_enabled(vcpu))
+ return -EPERM;
+
if (!xc || !xive)
return -ENOENT;
--
2.20.1
