KVM: PPC: booke: Readd debug abort code for machine check
When during guest execution we get a machine check interrupt, we don't
know how to handle it yet. So let's add the error printing code back
again that we dropped accidently earlier and tell user space that something
went really wrong.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 11b0625..af02d9d 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -634,7 +634,12 @@
switch (exit_nr) {
case BOOKE_INTERRUPT_MACHINE_CHECK:
- r = RESUME_GUEST;
+ printk("MACHINE CHECK: %lx\n", mfspr(SPRN_MCSR));
+ kvmppc_dump_vcpu(vcpu);
+ /* For debugging, send invalid exit reason to user space */
+ run->hw.hardware_exit_reason = ~1ULL << 32;
+ run->hw.hardware_exit_reason |= mfspr(SPRN_MCSR);
+ r = RESUME_HOST;
break;
case BOOKE_INTERRUPT_EXTERNAL: