Both iommu.h and dma-mapping.h have extern force_iommu. The latter
doesn't need to do.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
 include/asm-x86/dma-mapping.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 8bb3108..9dd92b4 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -16,7 +16,6 @@ extern dma_addr_t bad_dma_address;
 extern int iommu_merge;
 extern struct device x86_dma_fallback_dev;
 extern int panic_on_overflow;
-extern int force_iommu;
 
 struct dma_mapping_ops {
 	int             (*mapping_error)(struct device *dev,
-- 
1.5.4.2

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