On Mon, May 14, 2012 at 4:05 PM, Marc Zyngier <marc.zyngier at arm.com> wrote:
> 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;
> ? ? ? ?}
>
ack
Thanks,
Christoffer
