VT-d: Remove the dprintk() in alloc_pgtable_maddr()

The trivial message is printed too many when xen boots and when we
create hvm guests with devices assigned.

Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>

diff --git a/xen/drivers/passthrough/vtd/iommu.c b/xen/drivers/passthrough/vtd/iommu.c
index e471e815edd3f12b90830d5d15e20d91965ac1c8..72b76ce354f3c90881f397ab19446a4453a63dfc 100644 (file)
--- a/xen/drivers/passthrough/vtd/iommu.c
+++ b/xen/drivers/passthrough/vtd/iommu.c
@@ -145,10 +145,6 @@ u64 alloc_pgtable_maddr(struct acpi_drhd_unit *drhd, unsigned long npages)
     u64 *vaddr;
 
     rhsa = drhd_to_rhsa(drhd);
-    if ( !rhsa )
-        dprintk(XENLOG_INFO VTDPREFIX,
-                "IOMMU: RHSA == NULL, IO NUMA memory allocation disabled\n");
-
     pg = alloc_domheap_pages(NULL, get_order_from_pages(npages),
                              rhsa ? rhsa->domain : 0);
     if ( !pg )