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kvm: nVMX: Remove nested_vmx_succeed after successful VM-entry 

After a successful VM-entry, RFLAGS is cleared, with the exception of
bit 1, which is always set. This is handled by load_vmcs12_host_state.

Signed-off-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Jim Mattson 2017-09-14 16:31:40 -07:00 committed by Paolo Bonzini
parent 4c0b4bc60f
commit 7881f96cac
1 changed files with 9 additions and 7 deletions
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16
arch/x86/kvm/vmx.c
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@ -11491,16 +11491,18 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
*/
kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
/*
* Exiting from L2 to L1, we're now back to L1 which thinks it just
* finished a VMLAUNCH or VMRESUME instruction, so we need to set the
* success or failure flag accordingly.
*/
if (unlikely(vmx->fail)) {
/*
* After an early L2 VM-entry failure, we're now back
* in L1 which thinks it just finished a VMLAUNCH or
* VMRESUME instruction, so we need to set the failure
* flag and the VM-instruction error field of the VMCS
* accordingly.
*/
vmx->fail = 0;
nested_vmx_failValid(vcpu, vm_inst_error);
} else
nested_vmx_succeed(vcpu);
}
if (enable_shadow_vmcs)
vmx->nested.sync_shadow_vmcs = true;