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SubjectRe: [RFC PATCH -tip 0/9]ftrace, kprobes: Ftrace-based kprobe optimization
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On Tue, 2012-05-29 at 21:48 +0900, Masami Hiramatsu wrote:

> Also, this makes all __kprobes functions "notrace", because
> some of those functions are considered as to be called from
> kprobes handler which is called from function tracer.
> I think that is another discussion point. Perhaps, we need
> to introduce another tag which means "don't put kprobe on
> this function" instead of __kprobes and apply that.

Actually, instead, we can force kprobes to have all "__kprobes"
functions added to its 'notrace' ftrace_ops. This will just keep kprobes
from function tracing these, as I find myself tracing functions marked
by kprobes quite a bit.

-- Steve




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