Auto-update from upstream

2005-10-28 15:28:54 -07:00
parent 9590204d31 741b2252a5
commit fb5f329d58
4 changed files with 8 additions and 7 deletions
@@ -50,10 +50,10 @@ extern int iommu_setup(char *opt);
 * address space.  The networking and block device layers use
 * this boolean for bounce buffer decisions
 *
- * On x86-64 it mostly equals, but we set it to zero to tell some subsystems
- * that an hard or soft IOMMU is available.
+ * On AMD64 it mostly equals, but we set it to zero to tell some subsystems
+ * that an IOMMU is available.
 */
-#define PCI_DMA_BUS_IS_PHYS 0
+#define PCI_DMA_BUS_IS_PHYS	(no_iommu ? 1 : 0)

 /*
 * x86-64 always supports DAC, but sometimes it is useful to force