Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / include / asm-mips / cacheflush.h

diff --git a/include/asm-mips/cacheflush.h b/include/asm-mips/cacheflush.h
index 635f1bf..47bc8f6 100644 (file)
--- a/include/asm-mips/cacheflush.h
+++ b/include/asm-mips/cacheflush.h
@@ -53,16 +53,28 @@ extern void (*flush_icache_range)(unsigned long start, unsigned long end);
 #define flush_cache_vmap(start, end)           flush_cache_all()
 #define flush_cache_vunmap(start, end)         flush_cache_all()
 
-#define copy_to_user_page(vma, page, vaddr, dst, src, len)             \
-do {                                                                   \
-       memcpy(dst, (void *) src, len);                                 \
-       flush_icache_page(vma, page);                                   \
-} while (0)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len)           \
-       memcpy(dst, src, len)
+static inline void copy_to_user_page(struct vm_area_struct *vma,
+       struct page *page, unsigned long vaddr, void *dst, const void *src,
+       unsigned long len)
+{
+       if (cpu_has_dc_aliases)
+               flush_cache_page(vma, vaddr, page_to_pfn(page));
+       memcpy(dst, src, len);
+       flush_icache_page(vma, page);
+}
+
+static inline void copy_from_user_page(struct vm_area_struct *vma,
+       struct page *page, unsigned long vaddr, void *dst, const void *src,
+       unsigned long len)
+{
+       if (cpu_has_dc_aliases)
+               flush_cache_page(vma, vaddr, page_to_pfn(page));
+       memcpy(dst, src, len);
+}
 
 extern void (*flush_cache_sigtramp)(unsigned long addr);
 extern void (*flush_icache_all)(void);
+extern void (*local_flush_data_cache_page)(void * addr);
 extern void (*flush_data_cache_page)(unsigned long addr);
 
 /*
@@ -78,4 +90,7 @@ extern void (*flush_data_cache_page)(unsigned long addr);
 #define ClearPageDcacheDirty(page)     \
        clear_bit(PG_dcache_dirty, &(page)->flags)
 
+/* Run kernel code uncached, useful for cache probing functions. */
+unsigned long __init run_uncached(void *func);
+
 #endif /* _ASM_CACHEFLUSH_H */