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authorAlexander Graf <agraf@suse.de>2012-02-20 12:21:18 +0100
committerAvi Kivity <avi@redhat.com>2012-04-08 12:55:17 +0300
commitc35c9d84cf141ebf05e2e481c0faccedc4f8f7ff (patch)
tree8ea6170999dd5d18d224420222b97fbd357dbed4
parent5fd8505ea4b7456d57eacefbf00b669f15f5f0c0 (diff)
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>
-rw-r--r--arch/powerpc/kvm/booke.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 11b06251e42..af02d9dbd95 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -634,7 +634,12 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
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: