[PATCH] [22/45] x86_64: Enable iommu_merge by default

Signed-off-by: Andi Kleen <[email protected]>

---
 arch/x86_64/kernel/pci-dma.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux/arch/x86_64/kernel/pci-dma.c
===================================================================
--- linux.orig/arch/x86_64/kernel/pci-dma.c
+++ linux/arch/x86_64/kernel/pci-dma.c
@@ -11,7 +11,7 @@
 #include <asm/iommu.h>
 #include <asm/calgary.h>
 
-int iommu_merge __read_mostly = 0;
+int iommu_merge __read_mostly = 1;
 EXPORT_SYMBOL(iommu_merge);
 
 dma_addr_t bad_dma_address __read_mostly;
-
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---

• References:
  • [PATCH] [0/45] x86 2.6.24 patches review I
    • From: Andi Kleen <[email protected]>

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