Merge branch 'linus' into sched/urgent

1 files changed, 43 insertions, 0 deletions

diff --git a/arch/sh/include/cpu-sh4/cpu/cacheflush.h b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
new file mode 100644
index 00000000000..065306d376e
--- /dev/null
+++ b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
@@ -0,0 +1,43 @@
+/*
+ * include/asm-sh/cpu-sh4/cacheflush.h
+ *
+ * Copyright (C) 1999 Niibe Yutaka
+ * Copyright (C) 2003 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_CPU_SH4_CACHEFLUSH_H
+#define __ASM_CPU_SH4_CACHEFLUSH_H
+
+/*
+ *  Caches are broken on SH-4 (unless we use write-through
+ *  caching; in which case they're only semi-broken),
+ *  so we need them.
+ */
+void flush_cache_all(void);
+void flush_dcache_all(void);
+void flush_cache_mm(struct mm_struct *mm);
+#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
+void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
+		       unsigned long end);
+void flush_cache_page(struct vm_area_struct *vma, unsigned long addr,
+		      unsigned long pfn);
+void flush_dcache_page(struct page *pg);
+
+#define flush_dcache_mmap_lock(mapping)		do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
+
+void flush_icache_range(unsigned long start, unsigned long end);
+void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
+			     unsigned long addr, int len);
+
+#define flush_icache_page(vma,pg)		do { } while (0)
+
+/* Initialization of P3 area for copy_user_page */
+void p3_cache_init(void);
+
+#define PG_mapped	PG_arch_1
+
+#endif /* __ASM_CPU_SH4_CACHEFLUSH_H */