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--- arch/powerpc/kernel/iommu.c 2012-06-08 09:01:02.785709100 +1000
+++ arch/powerpc/kernel/iommu.c 2012-06-08 09:01:07.489784856 +1000
@@ -33,7 +33,9 @@
#include <linux/bitmap.h>
#include <linux/iommu-helper.h>
#include <linux/crash_dump.h>
+#include <linux/fault-inject.h>
#include <asm/io.h>
+#include <asm/vio.h>
#include <asm/prom.h>
#include <asm/iommu.h>
#include <asm/pci-bridge.h>
@@ -171,6 +261,9 @@
return DMA_ERROR_CODE;
}
+ if (should_fail_iommu(dev))
+ return DMA_ERROR_CODE;
+
if (handle && *handle)
start = *handle;
else
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