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x86: reduce forbid_dac's visibility 

It's not used anywhere outside its declaring file.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Jan Beulich 2008-07-18 13:44:16 +01:00 committed by H. Peter Anvin
parent 369c99205f
commit 08e1a13e7d
2 changed files with 1 additions and 3 deletions
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3
arch/x86/kernel/pci-dma.c
View File

@ -9,8 +9,7 @@
#include <asm/calgary.h> #include <asm/calgary.h>
#include <asm/amd_iommu.h> #include <asm/amd_iommu.h>
int forbid_dac __read_mostly; static int forbid_dac __read_mostly;
EXPORT_SYMBOL(forbid_dac);
const struct dma_mapping_ops *dma_ops; const struct dma_mapping_ops *dma_ops;
EXPORT_SYMBOL(dma_ops); EXPORT_SYMBOL(dma_ops);

1
include/asm-x86/dma-mapping.h
View File

@ -14,7 +14,6 @@ extern dma_addr_t bad_dma_address;
extern int iommu_merge; extern int iommu_merge;
extern struct device fallback_dev; extern struct device fallback_dev;
extern int panic_on_overflow; extern int panic_on_overflow;
extern int forbid_dac;
extern int force_iommu; extern int force_iommu;
struct dma_mapping_ops { struct dma_mapping_ops {