From: Jan Beulich <jbeulich@novell.com>
Date: Fri, 18 Jul 2008 12:44:16 +0000 (+0100)
Subject: x86: reduce forbid_dac's visibility
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=08e1a13e7d14ba5d6a22bf4b8c6e11128d3bcdfe;p=linux-beck.git

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>
---

diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 8467ec2320f1..702714bd1511 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -9,8 +9,7 @@
 #include <asm/calgary.h>
 #include <asm/amd_iommu.h>
 
-int forbid_dac __read_mostly;
-EXPORT_SYMBOL(forbid_dac);
+static int forbid_dac __read_mostly;
 
 const struct dma_mapping_ops *dma_ops;
 EXPORT_SYMBOL(dma_ops);
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index a1a4dc7fe6ec..c2ddd3d1b883 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -14,7 +14,6 @@ extern dma_addr_t bad_dma_address;
 extern int iommu_merge;
 extern struct device fallback_dev;
 extern int panic_on_overflow;
-extern int forbid_dac;
 extern int force_iommu;
 
 struct dma_mapping_ops {