Re: [PATCH v2 1/3] tracing: Rename `eval_map_wq` and export it for asynchronous use by other modules

[Yaxiong Tian]

在 2026/1/26 22:36, Steven Rostedt 写道:
> On Mon, 26 Jan 2026 10:43:16 +0800
> Yaxiong Tian <tianyaxiong@xxxxxxxxxx> wrote:
>
> Hi,
>
> Some of your terminology is a little confusing. The subject says "modules"
> but no module will use it (the term module means loadable code at runtime
> into the Linux kernel). A better subject would be:
>
>
>    tracing: Rename `eval_map_wq` and allow other parts of tracing use it
>
>
> > The eval_map_work_func() function, though queued in eval_map_wq,
> > holds the trace_event_sem read-write lock for a long time during
> > kernel boot. This causes blocking issues for other functions.
> >
> > Rename eval_map_wq to trace_init_wq and export it, thereby allowing
> Also saying "export" for a function means something like "EXPORT_SYMBOLE()"
> which again deals with Linux modules. A better term is "make it global".
>
> > other modules to schedule work on this queue asynchronously and
>   .. other parts of tracing ..
>
> > avoiding blockage of the main boot thread.
> >
> > Signed-off-by: Yaxiong Tian <tianyaxiong@xxxxxxxxxx>
> Other than that, this patch looks good.
>
> -- Steve

   Yes, those statements were not quite accurate. I have addressed them
   in Version 3.