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MIPS: asm: uaccess: Disable unaligned access macros for EVA

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ulb, ulh, ulw are macros which emulate unaligned access for MIPS.
However, no such macros exist for EVA mode, so the only way to do
EVA unaligned accesses is in the ADE exception handler. As a result
of which, disable these macros for EVA.

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
This commit is contained in:
Leonid Yegoshin 2013-12-17 15:20:24 +00:00 committed by Ralf Baechle
parent ec56b1d461
commit 18e900185b
1 changed files with 6 additions and 0 deletions
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6
arch/mips/include/asm/uaccess.h
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@ -401,6 +401,11 @@ do { \
extern void __put_user_unknown(void);
/*
* ul{b,h,w} are macros and there are no equivalent macros for EVA.
* EVA unaligned access is handled in the ADE exception handler.
*/
#ifndef CONFIG_EVA
/*
* put_user_unaligned: - Write a simple value into user space.
* @x: Value to copy to user space.
@ -666,6 +671,7 @@ do { \
}
extern void __put_user_unaligned_unknown(void);
#endif
/*
* We're generating jump to subroutines which will be outside the range of