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authorIngo Molnar <mingo@elte.hu>2010-10-08 09:14:51 +0200
committerIngo Molnar <mingo@elte.hu>2010-10-08 09:15:00 +0200
commit153db80f8cf74e8700cac96305b6c0b92918f17c (patch)
treec2afb28e7b3f4fbf0aacd9edd39d7f895321ca0c /arch/mn10300/mm/cache-disabled.c
parent5fd03ddab7fdbc44bfb2d183a4531c26a8dbca5a (diff)
parentcb655d0f3d57c23db51b981648e452988c0223f9 (diff)
Merge commit 'v2.6.36-rc7' into core/memblock
Merge reason: Update from -rc3 to -rc7. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/mn10300/mm/cache-disabled.c')
-rw-r--r--arch/mn10300/mm/cache-disabled.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/mn10300/mm/cache-disabled.c b/arch/mn10300/mm/cache-disabled.c
new file mode 100644
index 00000000000..f669ea42aba
--- /dev/null
+++ b/arch/mn10300/mm/cache-disabled.c
@@ -0,0 +1,21 @@
+/* Handle the cache being disabled
+ *
+ * Copyright (C) 2010 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.
+ */
+#include <linux/mm.h>
+
+/*
+ * allow userspace to flush the instruction cache
+ */
+asmlinkage long sys_cacheflush(unsigned long start, unsigned long end)
+{
+ if (end < start)
+ return -EINVAL;
+ return 0;
+}