powerpc/kprobes: Optimize kprobe in kretprobe_trampoline()
Kprobe placed on the kretprobe_trampoline() during boot time can be optimized, since the instruction at probe point is a 'nop'. Signed-off-by: NAnju T Sudhakar <anju@linux.vnet.ibm.com> Acked-by: NMasami Hiramatsu <mhiramat@kernel.org> Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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