| commit | 9641c7cc5a7f6d5c9dc9b43eea4e5f8c3c08c94e | |
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | |
| Wed, 21 Jun 2006 19:38:17 +0000 (21 20:38 +0100) | ||
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | |
| Wed, 28 Jun 2006 16:59:46 +0000 (28 17:59 +0100) | ||
| tree | 5ff57feabe0538d58404ec4918b0d94d75f69846 | treesnapshot (tar.gz zip) |
| parent | 002547b4f86c27bfac5bae344b723d250857be6b | commitdiff |
[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 <hyok.choi@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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 <hyok.choi@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| arch/arm/kernel/armksyms.c | diffblobblamehistory | |
| arch/arm/kernel/vmlinux.lds.S | diffblobblamehistory | |
| arch/arm/lib/Makefile | diffblobblamehistory | |
| include/asm-arm/uaccess.h | diffblobblamehistory |