Before returning an error when getting an unhandled fault, display
the complete EC and DFSC fields. This is very useful when debugging
mapping problems.
Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
---
arch/arm/kvm/mmu.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 5353ad4..8375aed 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -576,8 +576,8 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run)
/* Check that the second stage fault is a translation fault */
fault_status = vcpu->arch.hsr & HSR_ABT_FS;
if ((fault_status & 0x3c) != 0x4) {
- kvm_err("Unsupported fault status: %lx\n",
- fault_status & 0x3c);
+ kvm_err("Unsupported fault status: EC=%lx DFCS=%lx\n",
+ hsr_ec, fault_status);
return -EFAULT;
}
--
1.7.7.1
