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authorAlexander Duyck <alexander.h.duyck@intel.com>2009-12-02 16:49:02 +0000
committerDavid S. Miller <davem@davemloft.net>2009-12-02 19:57:15 -0800
commitc81c2d95449cd218c2022ce6014c52fef1eb1f66 (patch)
tree3da987f71e3a6807b1d48637766724412689805b /include
parentf4188d8affc8267a0f0f1b587a4d0a4b9b7f2999 (diff)
downloadop-kernel-dev-c81c2d95449cd218c2022ce6014c52fef1eb1f66.zip
op-kernel-dev-c81c2d95449cd218c2022ce6014c52fef1eb1f66.tar.gz
skbuff: remove skb_dma_map/unmap
The two functions skb_dma_map/unmap are unsafe to use as they cause problems when packets are cloned and sent to multiple devices while a HW IOMMU is enabled. Due to this it is best to remove the code so it is not used by any other network driver maintainters. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/skbuff.h8
1 files changed, 0 insertions, 8 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 89eed8c..ae836fd 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -416,14 +416,6 @@ struct sk_buff {
#include <asm/system.h>
-#ifdef CONFIG_HAS_DMA
-#include <linux/dma-mapping.h>
-extern int skb_dma_map(struct device *dev, struct sk_buff *skb,
- enum dma_data_direction dir);
-extern void skb_dma_unmap(struct device *dev, struct sk_buff *skb,
- enum dma_data_direction dir);
-#endif
-
static inline struct dst_entry *skb_dst(const struct sk_buff *skb)
{
return (struct dst_entry *)skb->_skb_dst;
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