KVM: nVMX: remove unnecessary #ifdef

nested_vmx_check_controls() has already run by the time KVM checks host state,
so the "host address space size" exit control can only be set on x86-64 hosts.
Simplify the condition at the cost of adding some dead code to 32-bit kernels.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index fd7af78..1bc2b80 100644 (file)
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -2903,7 +2903,7 @@ static int nested_vmx_check_address_space_size(struct kvm_vcpu *vcpu,
 static int nested_vmx_check_host_state(struct kvm_vcpu *vcpu,
                                       struct vmcs12 *vmcs12)
 {
-       bool ia32e;
+       bool ia32e = !!(vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE);
 
        if (CC(!nested_host_cr0_valid(vcpu, vmcs12->host_cr0)) ||
            CC(!nested_host_cr4_valid(vcpu, vmcs12->host_cr4)) ||
@@ -2923,12 +2923,6 @@ static int nested_vmx_check_host_state(struct kvm_vcpu *vcpu,
                                           vmcs12->host_ia32_perf_global_ctrl)))
                return -EINVAL;
 
-#ifdef CONFIG_X86_64
-       ia32e = !!(vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE);
-#else
-       ia32e = false;
-#endif
-
        if (ia32e) {
                if (CC(!(vmcs12->host_cr4 & X86_CR4_PAE)))
                        return -EINVAL;