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Commit fc62d020 authored by Naveen N. Rao's avatar Naveen N. Rao Committed by Michael Ellerman
Browse files

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: default avatarNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: default avatarMasami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 496e9cb5

kernel/kprobes.c

+6 −0
Original line number Diff line number Diff line
@@ -1705,6 +1705,12 @@ void unregister_kprobes(struct kprobe **kps, int num) 
}

EXPORT_SYMBOL_GPL(unregister_kprobes);



int __weak __kprobes kprobe_exceptions_notify(struct notifier_block *self,

					      unsigned long val, void *data)

{

	return NOTIFY_DONE;

}



static struct notifier_block kprobe_exceptions_nb = {

	.notifier_call = kprobe_exceptions_notify,

	.priority = 0x7fffffff /* we need to be notified first */