1 files changed, 5 insertions, 2 deletions

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 4f437dedbdf5..95dccce8e979 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -63,6 +63,7 @@
 #include <asm/stackprotector.h>
 #include <asm/hypervisor.h>
 #include <asm/mwait.h>
+#include <asm/pci_x86.h>
 
 #ifdef CONFIG_ACPI
 #include <linux/acpi.h>
@@ -1398,8 +1399,10 @@ asmlinkage void __init xen_start_kernel(void)
                 /* Make sure ACS will be enabled */
                 pci_request_acs();
         }
-                
-
+#ifdef CONFIG_PCI
+        /* PCI BIOS service won't work from a PV guest. */
+        pci_probe &= ~PCI_PROBE_BIOS;
+#endif
         xen_raw_console_write("about to get started...\n");
 
         xen_setup_runstate_info(0);