tree 17707c238fbb07f26769b974bec731945015696e
parent 6823fc85fcfba11675f2027aadf2d5291c6f351b
author Jon Medhurst <tixy@yxit.co.uk> 1302273175 +0100
committer Nicolas Pitre <nicolas.pitre@linaro.org> 1304048457 -0400

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>