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-rw-r--r--arch/x86/xen/enlighten.c7
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);
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