X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fx86_64%2Fkernel%2Faperture.c;h=4baa99fe1e5c95b95a77c6e87b71acf4fe5b5a8b;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=1d8b3912c1d90816cf42a87b54ce748d4135280e;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c
index 1d8b3912c..4baa99fe1 100644
--- a/arch/x86_64/kernel/aperture.c
+++ b/arch/x86_64/kernel/aperture.c
@@ -200,8 +200,8 @@ static __u32 __init search_agp_bridge(u32 *order, int *valid_agp)
 void __init iommu_hole_init(void) 
 { 
 	int fix, num; 
-	u32 aper_size, aper_alloc = 0, aper_order;
-	u64 aper_base; 
+	u32 aper_size, aper_alloc = 0, aper_order, last_aper_order = 0;
+	u64 aper_base, last_aper_base = 0;
 	int valid_agp = 0;
 
 	if (iommu_aperture_disabled || !fix_aperture)
@@ -230,7 +230,15 @@ void __init iommu_hole_init(void)
 		if (!aperture_valid(name, aper_base, aper_size)) { 
 			fix = 1; 
 			break; 
-		} 
+		}
+
+		if ((last_aper_order && aper_order != last_aper_order) ||
+		    (last_aper_base && aper_base != last_aper_base)) {
+			fix = 1;
+			break;
+		}
+		last_aper_order = aper_order;
+		last_aper_base = aper_base;
 	} 
 
 	if (!fix && !fallback_aper_force)