Re: [PATCH -tip ] [BUGFIX] kprobes: Skip kretprobe hit in NMI context to avoid deadlock

[Ananth N Mavinakayanahalli]

On Fri, Aug 01, 2014 at 08:42:54AM +0000, Masami Hiramatsu wrote:
> Skip kretprobe hit in NMI context, because if an NMI happens
> inside the critical section protected by kretprobe_table.lock
> and another(or same) kretprobe hit, pre_kretprobe_handler
> tries to lock kretprobe_table.lock again.
> Normal interrupts have no problem because they are disabled
> with the lock.
> 
> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>

Acked-by: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>

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