1 files changed, 23 insertions, 46 deletions

diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index c77d2fa1f6e5..72da7e045c6b 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -42,7 +42,8 @@
 #endif
 
 #if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \
-    defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020)
+    defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020) || \
+    defined(CONFIG_CPU_ARM1026)
 # define MULTI_CACHE 1
 #endif
 
@@ -196,21 +197,6 @@
  *      DMA Cache Coherency
  *      ===================
  *
- *      dma_inv_range(start, end)
- *
- *              Invalidate (discard) the specified virtual address range.
- *              May not write back any entries.  If 'start' or 'end'
- *              are not cache line aligned, those lines must be written
- *              back.
- *              - start  - virtual start address
- *              - end    - virtual end address
- *
- *      dma_clean_range(start, end)
- *
- *              Clean (write back) the specified virtual address range.
- *              - start  - virtual start address
- *              - end    - virtual end address
- *
  *      dma_flush_range(start, end)
  *
  *              Clean and invalidate the specified virtual address range.
@@ -227,8 +213,9 @@ struct cpu_cache_fns {
         void (*coherent_user_range)(unsigned long, unsigned long);
         void (*flush_kern_dcache_area)(void *, size_t);
 
-        void (*dma_inv_range)(const void *, const void *);
-        void (*dma_clean_range)(const void *, const void *);
+        void (*dma_map_area)(const void *, size_t, int);
+        void (*dma_unmap_area)(const void *, size_t, int);
+
         void (*dma_flush_range)(const void *, const void *);
 };
 
@@ -258,8 +245,8 @@ extern struct cpu_cache_fns cpu_cache;
  * is visible to DMA, or data written by DMA to system memory is
  * visible to the CPU.
  */
-#define dmac_inv_range                  cpu_cache.dma_inv_range
-#define dmac_clean_range                cpu_cache.dma_clean_range
+#define dmac_map_area                   cpu_cache.dma_map_area
+#define dmac_unmap_area         cpu_cache.dma_unmap_area
 #define dmac_flush_range                cpu_cache.dma_flush_range
 
 #else
@@ -284,12 +271,12 @@ extern void __cpuc_flush_dcache_area(void *, size_t);
  * is visible to DMA, or data written by DMA to system memory is
  * visible to the CPU.
  */
-#define dmac_inv_range                  __glue(_CACHE,_dma_inv_range)
-#define dmac_clean_range                __glue(_CACHE,_dma_clean_range)
+#define dmac_map_area                   __glue(_CACHE,_dma_map_area)
+#define dmac_unmap_area         __glue(_CACHE,_dma_unmap_area)
 #define dmac_flush_range                __glue(_CACHE,_dma_flush_range)
 
-extern void dmac_inv_range(const void *, const void *);
-extern void dmac_clean_range(const void *, const void *);
+extern void dmac_map_area(const void *, size_t, int);
+extern void dmac_unmap_area(const void *, size_t, int);
 extern void dmac_flush_range(const void *, const void *);
 
 #endif
@@ -330,12 +317,8 @@ static inline void outer_flush_range(unsigned long start, unsigned long end)
  * processes address space.  Really, we want to allow our "user
  * space" model to handle this.
  */
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-        do {                                                    \
-                memcpy(dst, src, len);                          \
-                flush_ptrace_access(vma, page, vaddr, dst, len, 1);\
-        } while (0)
-
+extern void copy_to_user_page(struct vm_area_struct *, struct page *,
+        unsigned long, void *, const void *, unsigned long);
 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
         do {                                                    \
                 memcpy(dst, src, len);                          \
@@ -369,17 +352,6 @@ vivt_flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsig
         }
 }
 
-static inline void
-vivt_flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
-                         unsigned long uaddr, void *kaddr,
-                         unsigned long len, int write)
-{
-        if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
-                unsigned long addr = (unsigned long)kaddr;
-                __cpuc_coherent_kern_range(addr, addr + len);
-        }
-}
-
 #ifndef CONFIG_CPU_CACHE_VIPT
 #define flush_cache_mm(mm) \
                 vivt_flush_cache_mm(mm)
@@ -387,15 +359,10 @@ vivt_flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
                 vivt_flush_cache_range(vma,start,end)
 #define flush_cache_page(vma,addr,pfn) \
                 vivt_flush_cache_page(vma,addr,pfn)
-#define flush_ptrace_access(vma,page,ua,ka,len,write) \
-                vivt_flush_ptrace_access(vma,page,ua,ka,len,write)
 #else
 extern void flush_cache_mm(struct mm_struct *mm);
 extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
 extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn);
-extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
-                                unsigned long uaddr, void *kaddr,
-                                unsigned long len, int write);
 #endif
 
 #define flush_cache_dup_mm(mm) flush_cache_mm(mm)
@@ -446,6 +413,16 @@ static inline void __flush_icache_all(void)
             : "r" (0));
 #endif
 }
+static inline void flush_kernel_vmap_range(void *addr, int size)
+{
+        if ((cache_is_vivt() || cache_is_vipt_aliasing()))
+          __cpuc_flush_dcache_area(addr, (size_t)size);
+}
+static inline void invalidate_kernel_vmap_range(void *addr, int size)
+{
+        if ((cache_is_vivt() || cache_is_vipt_aliasing()))
+          __cpuc_flush_dcache_area(addr, (size_t)size);
+}
 
 #define ARCH_HAS_FLUSH_ANON_PAGE
 static inline void flush_anon_page(struct vm_area_struct *vma,