Re: [PATCH v2] tracing/uprobes: Support ftrace_event_file basemultibuffer

[Oleg Nesterov]

forgot to mention,

On 06/24, Oleg Nesterov wrote:
>
> > +	/*
> > +	 * Currently TP_FLAG_TRACE/TP_FLAG_PROFILE are mutually exclusive
> > +	 * for uprobe(filter argument issue), this need to fix in future.
                      ^^^^^^^^^^^^^^^^^^^^^

Just in case, this is not that simple.

For example, suppose that TRACE_REG_REGISTER comes after
TRACE_REG_PERF_REGISTER. In this case we need uprobe_perf_open-like
code to establish nr_systemwide != 0 and do uprobe_apply() if
necessary.

Oleg.

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