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

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Message-ID: <51D4E133.2010201@gmail.com>
Date:	Thu, 04 Jul 2013 10:42:59 +0800
From:	Chen Gang F T <chen.gang.flying.transformer@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	Chen Gang <gang.chen@...anux.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	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 07/04/2013 10:29 AM, Steven Rostedt wrote:
> On Thu, 2013-07-04 at 10:10 +0800, Chen Gang F T wrote:
> 
>> > Select "COMPILE_TEST=y" with allmodconfig, but can not pass compiling in
>> > many architectures, one of the most reasons is "HW does not support".
>> > 
>> > 'asm-generic' is really existent for a long time, and make an important
>> > role for both architectures and modules.
>> > 
> The purpose of asm-generic is to add a standard infrastructure that some
> archs may be able to optimize. It's not so that all archs can compile
> all modules.
> 

Yes, I can understand.

But at present, it seems only 'asm-generic' can play the unlucky role
for current issues (at least, it is neither architectures issue nor
modules issue).

Hmm..., I think maybe also has another way: get rid of 'COMPILE_TEST'
(regress the related patch, which is only existent in next-* tree).

Or could you provide your suggestions or completions about it ?

Thanks.

> I'm still confused by what you are trying to accomplish.

Currently, I am trying to compile all architectures with allmodconfig in
next-* tree (which will have "COMPILE_TEST=y").

So I can find and solve the related issues (I am one of contributors).

One of main issues is about it.


Thanks.
-- 
Chen Gang
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