linux-kernel - Re: [PATCH] include/asm-generic/io.h: add dummy fuctions to support 'COMPILE

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Date:	Thu, 4 Jul 2013 10:09:14 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	Chen Gang <gang.chen@...anux.com>,
	Chen Gang F T <chen.gang.flying.transformer@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Arnd Bergmann <arnd@...db.de>,
	Richard Weinberger <richard@....at>,
	Jeff Dike <jdike@...toit.com>,
	David Sharp <dhsharp@...gle.com>,
	"sfr@...b.auug.org.au" <sfr@...b.auug.org.au>,
	Ingo Molnar <mingo@...nel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>,
	uml-user <user-mode-linux-user@...ts.sourceforge.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>,
	Mark Brown <broonie@...nel.org>,
	David Miller <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Kosina <trivial@...nel.org>, Jiri Slaby <jslaby@...e.cz>
Subject: Re: [PATCH] include/asm-generic/io.h: add dummy fuctions to support
 'COMPILE_TEST' in 'asm-generic'.

On Thu, Jul 4, 2013 at 8:12 AM, Greg KH <gregkh@...uxfoundation.org> wrote:
> On Thu, Jul 04, 2013 at 12:50:31PM +0800, Chen Gang wrote:
>> On 07/04/2013 12:08 PM, Greg KH wrote:
>> >> > config COMPILE_TEST
>> >> >        bool "Compile also drivers which will not load"
>> >> >        default n
>> > This has _nothing_ to do with asm-generic, sorry.  Please don't confuse
>> > the issue.
>>
>> But when I choose allmodconfig, then "COMPILE_TEST=y". this may allow a
>> module to compile under the architectures which no related HW support.
>>
>> When cause compiling issue (HW not support), it is not module's issue,
>> we can not 'fix' module by force, and it is not architecture's issue,
>> either.
>>
>> So we have to look for who has duty for this issue. At least now, it
>> seems only 'asm-generic' can be qualified to play this unlucky role.
>
> You seem to not understand what asm-generic is, or does, or I still do
> not understand what you are proposing.
>
> Please send a patch showing what you are trying to do here, so that we
> can properly understand.

The patch is in the first email of this thread:
https://lkml.org/lkml/2013/7/1/641

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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