From 9641c7cc5a7f6d5c9dc9b43eea4e5f8c3c08c94e Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 21 Jun 2006 20:38:17 +0100 Subject: [ARM] nommu: uaccess tweaks MMUless systems have only one address space for all threads, so both the usual access_ok() checks, and the exception handling do not make much sense. Hence, discard the fixup and exception tables at link time, use memcpy/memset for the user copy/clearing functions, and define the permission check macros to be constants. Some of this patch was derived from the equivalent patch by Hyok S. Choi. Signed-off-by: Hyok S. Choi Signed-off-by: Russell King --- arch/arm/kernel/armksyms.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'arch/arm/kernel/armksyms.c') diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index f8bb7abd3e9b..da69e660574b 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -109,11 +109,13 @@ EXPORT_SYMBOL(memchr); EXPORT_SYMBOL(__memzero); /* user mem (segment) */ +EXPORT_SYMBOL(__strnlen_user); +EXPORT_SYMBOL(__strncpy_from_user); + +#ifdef CONFIG_MMU EXPORT_SYMBOL(__copy_from_user); EXPORT_SYMBOL(__copy_to_user); EXPORT_SYMBOL(__clear_user); -EXPORT_SYMBOL(__strnlen_user); -EXPORT_SYMBOL(__strncpy_from_user); EXPORT_SYMBOL(__get_user_1); EXPORT_SYMBOL(__get_user_2); @@ -123,6 +125,7 @@ EXPORT_SYMBOL(__put_user_1); EXPORT_SYMBOL(__put_user_2); EXPORT_SYMBOL(__put_user_4); EXPORT_SYMBOL(__put_user_8); +#endif /* crypto hash */ EXPORT_SYMBOL(sha_transform); -- cgit v1.2.3