Merge commit 'v2.6.30-rc3' into tracing/hw-branch-tracing

Conflicts:
	arch/x86/kernel/ptrace.c

Merge reason: fix the conflict above, and also pick up the CONFIG_BROKEN
              dependency change from upstream so that we can remove it
	      here.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 116 insertions, 0 deletions

diff --git a/arch/mn10300/include/asm/cacheflush.h b/arch/mn10300/include/asm/cacheflush.h
new file mode 100644
index 0000000..2db746a
--- /dev/null
+++ b/arch/mn10300/include/asm/cacheflush.h
@@ -0,0 +1,116 @@
+/* MN10300 Cache flushing
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#ifndef _ASM_CACHEFLUSH_H
+#define _ASM_CACHEFLUSH_H
+
+#ifndef __ASSEMBLY__
+
+/* Keep includes the same across arches.  */
+#include <linux/mm.h>
+
+/*
+ * virtually-indexed cache managment (our cache is physically indexed)
+ */
+#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(mm, start, end)	do {} while (0)
+#define flush_cache_page(vma, vmaddr, pfn)	do {} while (0)
+#define flush_cache_vmap(start, end)		do {} while (0)
+#define flush_cache_vunmap(start, end)		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)
+
+/*
+ * physically-indexed cache managment
+ */
+#ifndef CONFIG_MN10300_CACHE_DISABLED
+
+extern void flush_icache_range(unsigned long start, unsigned long end);
+extern void flush_icache_page(struct vm_area_struct *vma, struct page *pg);
+
+#else
+
+#define flush_icache_range(start, end)		do {} while (0)
+#define flush_icache_page(vma, pg)		do {} while (0)
+
+#endif
+
+#define flush_icache_user_range(vma, pg, adr, len) \
+	flush_icache_range(adr, adr + len)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+	do {					\
+		memcpy(dst, src, len);		\
+		flush_icache_page(vma, page);	\
+	} while (0)
+
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+
+/*
+ * primitive routines
+ */
+#ifndef CONFIG_MN10300_CACHE_DISABLED
+extern void mn10300_icache_inv(void);
+extern void mn10300_dcache_inv(void);
+extern void mn10300_dcache_inv_page(unsigned start);
+extern void mn10300_dcache_inv_range(unsigned start, unsigned end);
+extern void mn10300_dcache_inv_range2(unsigned start, unsigned size);
+#ifdef CONFIG_MN10300_CACHE_WBACK
+extern void mn10300_dcache_flush(void);
+extern void mn10300_dcache_flush_page(unsigned start);
+extern void mn10300_dcache_flush_range(unsigned start, unsigned end);
+extern void mn10300_dcache_flush_range2(unsigned start, unsigned size);
+extern void mn10300_dcache_flush_inv(void);
+extern void mn10300_dcache_flush_inv_page(unsigned start);
+extern void mn10300_dcache_flush_inv_range(unsigned start, unsigned end);
+extern void mn10300_dcache_flush_inv_range2(unsigned start, unsigned size);
+#else
+#define mn10300_dcache_flush()				do {} while (0)
+#define mn10300_dcache_flush_page(start)		do {} while (0)
+#define mn10300_dcache_flush_range(start, end)		do {} while (0)
+#define mn10300_dcache_flush_range2(start, size)	do {} while (0)
+#define mn10300_dcache_flush_inv()			mn10300_dcache_inv()
+#define mn10300_dcache_flush_inv_page(start) \
+	mn10300_dcache_inv_page((start))
+#define mn10300_dcache_flush_inv_range(start, end) \
+	mn10300_dcache_inv_range((start), (end))
+#define mn10300_dcache_flush_inv_range2(start, size) \
+	mn10300_dcache_inv_range2((start), (size))
+#endif /* CONFIG_MN10300_CACHE_WBACK */
+#else
+#define mn10300_icache_inv()				do {} while (0)
+#define mn10300_dcache_inv()				do {} while (0)
+#define mn10300_dcache_inv_page(start)			do {} while (0)
+#define mn10300_dcache_inv_range(start, end)		do {} while (0)
+#define mn10300_dcache_inv_range2(start, size)		do {} while (0)
+#define mn10300_dcache_flush()				do {} while (0)
+#define mn10300_dcache_flush_inv_page(start)		do {} while (0)
+#define mn10300_dcache_flush_inv()			do {} while (0)
+#define mn10300_dcache_flush_inv_range(start, end)	do {} while (0)
+#define mn10300_dcache_flush_inv_range2(start, size)	do {} while (0)
+#define mn10300_dcache_flush_page(start)		do {} while (0)
+#define mn10300_dcache_flush_range(start, end)		do {} while (0)
+#define mn10300_dcache_flush_range2(start, size)	do {} while (0)
+#endif /* CONFIG_MN10300_CACHE_DISABLED */
+
+/*
+ * internal debugging function
+ */
+#ifdef CONFIG_DEBUG_PAGEALLOC
+extern void kernel_map_pages(struct page *page, int numpages, int enable);
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_CACHEFLUSH_H */