linux-kernel - Re: [PATCH] genirq: move debugfs option to kernel hacking

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Date:   Sun, 1 Sep 2019 18:10:33 +0800
From:   Changbin Du <changbin.du@...il.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Changbin Du <changbin.du@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        yamada.masahiro@...ionext.com, LKML <linux-kernel@...r.kernel.org>,
        Marc Zyngier <maz@...nel.org>
Subject: Re: [PATCH] genirq: move debugfs option to kernel hacking

On Sun, Sep 01, 2019 at 08:23:02AM +0200, Thomas Gleixner wrote:
> On Sun, 1 Sep 2019, Changbin Du wrote:
> 
> > Just like the other generic debug options, move the irq one to
> > 'Kernel hacking' menu.
> 
> Why?
> 
> Kernel hacking is a inscrutable mess where you can waste a lot of time to
> find what you are looking for.
>
yes, the 'kernel hacking' menu has many items now and are not well structured.
Let me see if it can be improved.

> If I want to debug interrupts then having the option right there where all
> other interrupt related configuration is makes tons of sense.
> 
> I would be less opposed to this when the kernel hacking menu would be
> halfways well structured, but you just chose another random place for that
> option which is worse than what we have now.
> 
We already have an irq debug option CONFIG_DEBUG_SHIRQ here. Maybe we can group
them into a submenu.

> Thanks,
> 
> 	tglx
> 
> 
> 

-- 
Cheers,
Changbin Du