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  • Vegard Nossum's avatar
    kmemcheck: add opcode self-testing at boot · ac61a757
    Vegard Nossum authored
    
    
    We've had some troubles in the past with weird instructions. This
    patch adds a self-test framework which can be used to verify that
    a certain set of opcodes are decoded correctly. Of course, the
    opcodes which are not tested can still give the wrong results.
    
    In short, this is just a safeguard to catch unintentional changes
    in the opcode decoder. It does not mean that errors can't still
    occur!
    
    [rebased for mainline inclusion]
    Signed-off-by: default avatarVegard Nossum <vegard.nossum@gmail.com>
    ac61a757