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| author | Avi Kivity <avi@redhat.com> | 2009-11-04 11:54:59 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-12-03 09:32:24 +0200 |
| commit | a9c7399d6cda0a092b347f8ee49bbe44f6e1fe66 (patch) | |
| tree | a00b781aa1521efc387ae9b59875862cb37c1d3f /arch | |
| parent | c54d2aba27f0c505d61700d656c5943e96982e60 (diff) | |
| download | linux-stable-a9c7399d6cda0a092b347f8ee49bbe44f6e1fe66.tar.gz linux-stable-a9c7399d6cda0a092b347f8ee49bbe44f6e1fe66.tar.bz2 linux-stable-a9c7399d6cda0a092b347f8ee49bbe44f6e1fe66.zip | |
KVM: Allow internal errors reported to userspace to carry extra data
Usually userspace will freeze the guest so we can inspect it, but some
internal state is not available. Add extra data to internal error
reporting so we can expose it to the debugger. Extra data is specific
to the suberror.
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 1 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index a9024797b21f..4c3e5b2314cb 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2800,6 +2800,7 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u32 error_code) case EMULATE_FAIL: vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; + vcpu->run->internal.ndata = 0; return 0; default: BUG(); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index c9cc9596e1a6..c0e66dd58a47 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3352,6 +3352,7 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu) kvm_report_emulation_failure(vcpu, "emulation failure"); vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; + vcpu->run->internal.ndata = 0; ret = 0; goto out; } |