diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-10-04 22:23:26 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-10-04 22:23:30 +0100 |
| commit | a9fda02bfc91a281cd812ae15dabe6bfb9574f90 (patch) | |
| tree | d7be703f341870f15f87a59a63976f650078b4d6 /arch/mn10300/mm/cache-disabled.c | |
| parent | aa3090005d27f3c7fba915ccea36b97b669fa3ab (diff) | |
| parent | ec706dab290c486837d4a825870ab052bf200279 (diff) | |
Merge branch 'for_rmk' of git://git.linaro.org/kernel/linux-linaro-next into devel-stable
Diffstat (limited to 'arch/mn10300/mm/cache-disabled.c')
| -rw-r--r-- | arch/mn10300/mm/cache-disabled.c | 21 |
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 000000000000..f669ea42aba6 --- /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; +} |