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powerpc: Emulate instructions in little endian mode

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Alistair noticed we got a SIGILL on userspace mfpvr instructions.

Remove the little endian check in the emulation code, it is
probably there to protect against the old pseudo little endian
implementations but doesn't make sense for real little endian.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2013-08-07 02:01:47 +10:00 committed by Benjamin Herrenschmidt
parent 7ffcf8ec26
commit 4288e343fb
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/kernel/traps.c
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@ -967,7 +967,7 @@ static int emulate_instruction(struct pt_regs *regs)
u32 instword;
u32 rd;
if (!user_mode(regs) || (regs->msr & MSR_LE))
if (!user_mode(regs))
return -EINVAL;
CHECK_FULL_REGS(regs);