KVM: x86/xen: Bury xen_hvm_config behind CONFIG_KVM_XEN=y

Now that all references to kvm_vcpu_arch.xen_hvm_config are wrapped with
CONFIG_KVM_XEN #ifdefs, bury the field itself behind CONFIG_KVM_XEN=y.

No functional change intended.

Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Link: https://lore.kernel.org/r/20250215011437.1203084-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index b15cde0a9b5ca7ae2c90b15fed4a4debd34f825c..f31fca4c496848767b76bb16798b4703467d6d62 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1410,8 +1410,6 @@ struct kvm_arch {
        struct delayed_work kvmclock_update_work;
        struct delayed_work kvmclock_sync_work;
 
-       struct kvm_xen_hvm_config xen_hvm_config;
-
        /* reads protected by irq_srcu, writes by irq_lock */
        struct hlist_head mask_notifier_list;
 
@@ -1421,6 +1419,7 @@ struct kvm_arch {
 
 #ifdef CONFIG_KVM_XEN
        struct kvm_xen xen;
+       struct kvm_xen_hvm_config xen_hvm_config;
 #endif
 
        bool backwards_tsc_observed;