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authorTrond Myklebust <Trond.Myklebust@netapp.com>2005-10-27 22:13:32 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-10-27 22:13:32 -0400
commit434f1d10c1adb6c2e333d501ce1e42be610e0723 (patch)
treea43f1e6f40ea1530e648ae72709a2c45442891aa /include
parent6070fe6f82c67021367092855c0812a98becf0fa (diff)
parent741b2252a5e14d6c60a913c77a6099abe73a854a (diff)
Merge /home/trondmy/scm/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include')
-rw-r--r--include/asm-x86_64/pci.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index 5a82a6762c2..eeb3088a1c9 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -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