kprobes: Introduce weak variant of kprobe_exceptions_notify()
kprobe_exceptions_notify() is not used on some of the architectures such as arm[64] and powerpc anymore. Introduce a weak variant for such architectures. Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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@ -1705,6 +1705,12 @@ void unregister_kprobes(struct kprobe **kps, int num)
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}
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EXPORT_SYMBOL_GPL(unregister_kprobes);
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int __weak __kprobes kprobe_exceptions_notify(struct notifier_block *self,
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unsigned long val, void *data)
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{
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return NOTIFY_DONE;
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}
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static struct notifier_block kprobe_exceptions_nb = {
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.notifier_call = kprobe_exceptions_notify,
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.priority = 0x7fffffff /* we need to be notified first */
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