The only user is in the same file and the name is too generic because this
function is only ever used for HVM domains.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: linux-pci@vger.kernel.org
Cc: xen-devel@lists.xenproject.org
Cc: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>

---
 arch/x86/pci/xen.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -419,7 +419,7 @@ int __init pci_xen_init(void)
 }
 
 #ifdef CONFIG_PCI_MSI
-void __init xen_msi_init(void)
+static void __init xen_hvm_msi_init(void)
 {
 	if (!disable_apic) {
 		/*
@@ -459,7 +459,7 @@ int __init pci_xen_hvm_init(void)
 	 * We need to wait until after x2apic is initialized
 	 * before we can set MSI IRQ ops.
 	 */
-	x86_platform.apic_post_init = xen_msi_init;
+	x86_platform.apic_post_init = xen_hvm_msi_init;
 #endif
 	return 0;
 }