From 54823accfcfc715e9e757a621afb40dabc01d033 Mon Sep 17 00:00:00 2001
From: Jon Medhurst <tixy@yxit.co.uk>
Date: Fri, 8 Apr 2011 15:32:55 +0100
Subject: [PATCH] ARM: kprobes: Reject probing of LDR/STR instructions which
 update PC unpredictably

Using PC as an base register with writeback is UNPREDICTABLE, as is non
word-sized loads or stores of PC. (We only really care about preventing
loads to PC but it keeps the code simpler if we also exclude stores.)

Signed-off-by: Jon Medhurst <tixy@yxit.co.uk>
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
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