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H A Dkprobes.hdiff b338817807538c893540e393856b79cbbdf777ea Sat Aug 29 15:02:47 CEST 2020 Masami Hiramatsu <mhiramat@kernel.org> kprobes: Free kretprobe_instance with RCU callback

Free kretprobe_instance with RCU callback instead of directly
freeing the object in the kretprobe handler context.

This will make kretprobe run safer in NMI context.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/159870616685.1229682.11978742048709542226.stgit@devnote2