Merge master.kernel.org:/home/rmk/linux-2.6-arm

[pandora-kernel.git] / include / asm-arm / cacheflush.h

diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index fe0c744..5f531ea 100644 (file)
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -25,7 +25,7 @@
 #undef _CACHE
 #undef MULTI_CACHE
 
-#if defined(CONFIG_CPU_ARM610) || defined(CONFIG_CPU_ARM710)
+#if defined(CONFIG_CPU_CACHE_V3)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
 # else
@@ -33,7 +33,7 @@
 # endif
 #endif
 
-#if defined(CONFIG_CPU_ARM720T)
+#if defined(CONFIG_CPU_CACHE_V4)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
 # else
@@ -54,7 +54,23 @@
 # endif
 #endif
 
-#if defined(CONFIG_CPU_SA110) || defined(CONFIG_CPU_SA1100)
+#if defined(CONFIG_CPU_ARM940T)
+# ifdef _CACHE
+#  define MULTI_CACHE 1
+# else
+#  define _CACHE arm940
+# endif
+#endif
+
+#if defined(CONFIG_CPU_ARM946E)
+# ifdef _CACHE
+#  define MULTI_CACHE 1
+# else
+#  define _CACHE arm946
+# endif
+#endif
+
+#if defined(CONFIG_CPU_CACHE_V4WB)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
 # else
@@ -247,14 +263,12 @@ extern void dmac_flush_range(unsigned long, unsigned long);
  */
 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
        do {                                                    \
-               flush_cache_page(vma, vaddr, page_to_pfn(page));\
                memcpy(dst, src, len);                          \
-               flush_dcache_page(page);                        \
+               flush_ptrace_access(vma, page, vaddr, dst, len, 1);\
        } while (0)
 
 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
        do {                                                    \
-               flush_cache_page(vma, vaddr, page_to_pfn(page));\
                memcpy(dst, src, len);                          \
        } while (0)
 
@@ -285,12 +299,28 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned l
                __cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags);
        }
 }
+
+static inline void
+flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
+                        unsigned long uaddr, void *kaddr,
+                        unsigned long len, int write)
+{
+       if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) {
+               unsigned long addr = (unsigned long)kaddr;
+               __cpuc_coherent_kern_range(addr, addr + len);
+       }
+}
 #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)
+
 /*
  * flush_cache_user_range is used when we want to ensure that the
  * Harvard caches are synchronised for the user space address range.
@@ -325,6 +355,18 @@ extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr
  */
 extern void flush_dcache_page(struct page *);
 
+extern void __flush_dcache_page(struct address_space *mapping, struct page *page);
+
+#define ARCH_HAS_FLUSH_ANON_PAGE
+static inline void flush_anon_page(struct vm_area_struct *vma,
+                        struct page *page, unsigned long vmaddr)
+{
+       extern void __flush_anon_page(struct vm_area_struct *vma,
+                               struct page *, unsigned long);
+       if (PageAnon(page))
+               __flush_anon_page(vma, page, vmaddr);
+}
+
 #define flush_dcache_mmap_lock(mapping) \
        write_lock_irq(&(mapping)->tree_lock)
 #define flush_dcache_mmap_unlock(mapping) \