[S390] move include/asm-s390 to arch/s390/include/asm

[linux-drm-fsl-dcu.git] / arch / s390 / include / asm / cacheflush.h

diff --git a/arch/s390/include/asm/cacheflush.h b/arch/s390/include/asm/cacheflush.h
new file mode 100644 (file)
index 0000000..49d5af9
--- /dev/null
+++ b/arch/s390/include/asm/cacheflush.h
@@ -0,0 +1,31 @@
+#ifndef _S390_CACHEFLUSH_H
+#define _S390_CACHEFLUSH_H
+
+/* Keep includes the same across arches.  */
+#include <linux/mm.h>
+
+/* Caches aren't brain-dead on the s390. */
+#define flush_cache_all()                      do { } while (0)
+#define flush_cache_mm(mm)                     do { } while (0)
+#define flush_cache_dup_mm(mm)                 do { } while (0)
+#define flush_cache_range(vma, start, end)     do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn)     do { } while (0)
+#define flush_dcache_page(page)                        do { } while (0)
+#define flush_dcache_mmap_lock(mapping)                do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)      do { } while (0)
+#define flush_icache_range(start, end)         do { } while (0)
+#define flush_icache_page(vma,pg)              do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len)        do { } while (0)
+#define flush_cache_vmap(start, end)           do { } while (0)
+#define flush_cache_vunmap(start, end)         do { } while (0)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+       memcpy(dst, src, len)
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+       memcpy(dst, src, len)
+
+#ifdef CONFIG_DEBUG_PAGEALLOC
+void kernel_map_pages(struct page *page, int numpages, int enable);
+#endif
+
+#endif /* _S390_CACHEFLUSH_H */