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| author | Mohammed Gamal <m.gamal005@gmail.com> | 2010-05-31 22:40:54 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-01 10:39:24 +0300 |
| commit | 5120702e732ed72c7055f511f8dd01de36424569 (patch) | |
| tree | 0294b9e9c71a504d30e50e539e9bb1661e7ac762 | |
| parent | b66d80006e415ee083e59c9429911eab78047f8f (diff) | |
KVM: VMX: Properly return error to userspace on vmentry failure
The vmexit handler returns KVM_EXIT_UNKNOWN since there is no handler
for vmentry failures. This intercepts vmentry failures and returns
KVM_FAIL_ENTRY to userspace instead.
Signed-off-by: Mohammed Gamal <m.gamal005@gmail.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
| -rw-r--r-- | arch/x86/kvm/vmx.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e71c731433e..8c9085d44c3 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3665,6 +3665,13 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu) if (enable_ept && is_paging(vcpu)) vcpu->arch.cr3 = vmcs_readl(GUEST_CR3); + if (exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY) { + vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY; + vcpu->run->fail_entry.hardware_entry_failure_reason + = exit_reason; + return 0; + } + if (unlikely(vmx->fail)) { vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY; vcpu->run->fail_entry.hardware_entry_failure_reason |