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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2006-06-21 20:38:17 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-06-28 17:59:46 +0100
commit9641c7cc5a7f6d5c9dc9b43eea4e5f8c3c08c94e (patch)
tree5ff57feabe0538d58404ec4918b0d94d75f69846 /arch/mips/au1000
parent002547b4f86c27bfac5bae344b723d250857be6b (diff)
[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>
Diffstat (limited to 'arch/mips/au1000')
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