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Date: Wed, 5 Feb 2014 06:46:13 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Borislav Petkov <bp@alien8.de>, LKML <linux-kernel@vger.kernel.org>,
        X86 ML <x86@kernel.org>, Richard Weinberger <richard@nod.at>,
        Borislav Petkov <bp@suse.de>
Subject: Re: [PATCH] Clarify CONFIG_DEBUG_INFO's bloaty nature
Message-ID: <20140205054613.GA30094@gmail.com>
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* Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Tue, Feb 4, 2014 at 1:08 AM, Ingo Molnar <mingo@kernel.org> wrote:
> >
> >  config SAVE_TIME_AND_DISK_SPACE
> >         bool "Faster and leaner build object files: compile without debug info"
> >         default y
> 
> Thinking about it, we already have this. It's called "CONFIG_COMPILE_TEST".
> 
> It very much gets set by all{yes,mod}config, and it also says "we're
> interested in testing the compile, not so much running the result".
> 
> So let's just make the DEBUG_INFO depend on !COMPILE_TEST.
> 
> Trivial oneliner patch (independent of the discussion about improving
> the documentation), so I'll just apply it.
> 
> I can't imagine that this would be controversial:
> 
>    config DEBUG_INFO
>           bool "Compile the kernel with debug info"
>   -       depends on DEBUG_KERNEL
>   +       depends on DEBUG_KERNEL && !COMPILE_TEST
>           help
> 
> Hm?

Fully agreed.

Thanks,

	Ingo