x86/xen: print a warning when HVMOP_get_mem_type fails

[linux-2.6-microblaze.git] / arch / x86 / xen / mmu_hvm.c

diff --git a/arch/x86/xen/mmu_hvm.c b/arch/x86/xen/mmu_hvm.c
index d1b38c7..6ba8826 100644 (file)
--- a/arch/x86/xen/mmu_hvm.c
+++ b/arch/x86/xen/mmu_hvm.c
@@ -22,8 +22,10 @@ static int xen_oldmem_pfn_is_ram(unsigned long pfn)
                .pfn = pfn,
        };
 
-       if (HYPERVISOR_hvm_op(HVMOP_get_mem_type, &a))
+       if (HYPERVISOR_hvm_op(HVMOP_get_mem_type, &a)) {
+               pr_warn_once("Unexpected HVMOP_get_mem_type failure\n");
                return -ENXIO;
+       }
        return a.mem_type != HVMMEM_mmio_dm;
 }
 #endif