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SubjectRe: [PATCH] sched/debug:fix stale comments of sched_debug
On Tue, Jun 01, 2021 at 09:56:51AM +0200, Peter Zijlstra wrote:
> On Mon, May 31, 2021 at 07:05:22PM +0300, Andy Shevchenko wrote:
> > > >> --- a/lib/Kconfig.debug
> > > >> +++ b/lib/Kconfig.debug
> > > >> @@ -1166,7 +1166,7 @@ config SCHED_DEBUG
> > > >> depends on DEBUG_KERNEL && PROC_FS
> > > >
> > > > Are the dependencies correct?
> > >
> > > Based on your suggestion, I checked and it turned out that PROC_FS is not
> > > the correct dependency, but DEBUG_FS.
> >
> > I guess you missed something.
> >
> > > Shoud I change it to DEBUG_FS?
> >
> > Please, double check.
>
> Thing is that proc_sched_show_task() still wants PROC_FS, i've not yet
> found a suitable debugfs based location for that.
>
> And DEBUG_FS doesn't need a dependency; it has complete DEBUG_FS=n
> wrappers and will build fine. Arguably selecting SCHED_DEBUG without
> DEBUG_FS is daft, but it should work.

Yep, my point here is that we have several files (in procfs and debugfs) which
are enabled by the same option. Changing help text as it's done in the patch
seems a half baked solution, i.e. it needs more, like describing what the files
are visible in different configurations.


--
With Best Regards,
Andy Shevchenko


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