linux-kernel - Re: [PATCH v2] uselib: default depending if libc5 was used

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Date:	Tue, 1 Dec 2015 14:35:24 +0200
From:	Riku Voipio <riku.voipio@...aro.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Josh Triplett <josh@...htriplett.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] uselib: default depending if libc5 was used

On 1 December 2015 at 10:46, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> On Tue, Dec 1, 2015 at 1:31 AM, Andrew Morton <akpm@...ux-foundation.org> wrote:
>> On Fri, 27 Nov 2015 12:07:10 -0800 Josh Triplett <josh@...htriplett.org> wrote:
>>> IA32_EMULATION depends on X86_64, so doesn't that reduce to:
>>>       def_bool ALPHA || M68K || SPARC || X86_32 || IA32_EMULATION

Ok. looks cleaner to me.

>> It's a bit old fashioned to add an expression like this at the
>> definition site anyway.  The cool new thing is to do
>>
>>         def_bool ARCH_WANT_USELIB
>>
>> then go off and define ARCH_WANT_USELIB in the appropriate places in
>> the per-arch Kconfig files.
>
> That's useful for new to-be-implemented features, but this dependency list is
> (hopefully) cast in stone. No new architecture should need this.
> So I see no reason to clutter up more Kconfig files.

I agree. Splitting oneline patch to a patch that changes 5 files around kernel
tree only risks merge conflicts in this case.

Riku
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