Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e65845045588806fa5c8df8a4f4253516515a5e3
Commit:     e65845045588806fa5c8df8a4f4253516515a5e3
Parent:     19d1743315099665db4ce02c9942507a5ee1deea
Author:     Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Wed May 2 19:27:06 2007 +0200
Committer:  Andi Kleen <[EMAIL PROTECTED]>
CommitDate: Wed May 2 19:27:06 2007 +0200

    [PATCH] x86-64: dma_ops as const
    
    The dma_ops structure can be const since it never changes
    after boot.
    
    Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
    Signed-off-by: Andi Kleen <[EMAIL PROTECTED]>
---
 arch/x86_64/kernel/pci-calgary.c |    2 +-
 arch/x86_64/kernel/pci-gart.c    |    2 +-
 arch/x86_64/kernel/pci-nommu.c   |    2 +-
 arch/x86_64/kernel/pci-swiotlb.c |    2 +-
 arch/x86_64/mm/init.c            |    2 +-
 include/asm-x86_64/dma-mapping.h |    2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index 04480c3..5bd20b5 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -507,7 +507,7 @@ error:
        return ret;
 }
 
-static struct dma_mapping_ops calgary_dma_ops = {
+static const struct dma_mapping_ops calgary_dma_ops = {
        .alloc_coherent = calgary_alloc_coherent,
        .map_single = calgary_map_single,
        .unmap_single = calgary_unmap_single,
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c
index 0bae862..0a762e1 100644
--- a/arch/x86_64/kernel/pci-gart.c
+++ b/arch/x86_64/kernel/pci-gart.c
@@ -556,7 +556,7 @@ static __init int init_k8_gatt(struct agp_kern_info *info)
 
 extern int agp_amd64_init(void);
 
-static struct dma_mapping_ops gart_dma_ops = {
+static const struct dma_mapping_ops gart_dma_ops = {
        .mapping_error = NULL,
        .map_single = gart_map_single,
        .map_simple = gart_map_simple,
diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c
index df09ab0..6dade0c 100644
--- a/arch/x86_64/kernel/pci-nommu.c
+++ b/arch/x86_64/kernel/pci-nommu.c
@@ -79,7 +79,7 @@ void nommu_unmap_sg(struct device *dev, struct scatterlist 
*sg,
 {
 }
 
-struct dma_mapping_ops nommu_dma_ops = {
+const struct dma_mapping_ops nommu_dma_ops = {
        .map_single = nommu_map_single,
        .unmap_single = nommu_unmap_single,
        .map_sg = nommu_map_sg,
diff --git a/arch/x86_64/kernel/pci-swiotlb.c b/arch/x86_64/kernel/pci-swiotlb.c
index eb18be5..4b4569a 100644
--- a/arch/x86_64/kernel/pci-swiotlb.c
+++ b/arch/x86_64/kernel/pci-swiotlb.c
@@ -12,7 +12,7 @@
 int swiotlb __read_mostly;
 EXPORT_SYMBOL(swiotlb);
 
-struct dma_mapping_ops swiotlb_dma_ops = {
+const struct dma_mapping_ops swiotlb_dma_ops = {
        .mapping_error = swiotlb_dma_mapping_error,
        .alloc_coherent = swiotlb_alloc_coherent,
        .free_coherent = swiotlb_free_coherent,
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index ec31534..5ca6173 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -46,7 +46,7 @@
 #define Dprintk(x...)
 #endif
 
-struct dma_mapping_ops* dma_ops;
+const struct dma_mapping_ops* dma_ops;
 EXPORT_SYMBOL(dma_ops);
 
 static unsigned long dma_reserve __initdata;
diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h
index d2af227..6897e2a 100644
--- a/include/asm-x86_64/dma-mapping.h
+++ b/include/asm-x86_64/dma-mapping.h
@@ -52,7 +52,7 @@ struct dma_mapping_ops {
 };
 
 extern dma_addr_t bad_dma_address;
-extern struct dma_mapping_ops* dma_ops;
+extern const struct dma_mapping_ops* dma_ops;
 extern int iommu_merge;
 
 static inline int dma_mapping_error(dma_addr_t dma_addr)
-
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