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Message-ID: <47126FEE.5000400@gmail.com>
Date:	Sun, 14 Oct 2007 21:37:18 +0200
From:	Franck Bui-Huu <vagabon.xyz@gmail.com>
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To:	"Maciej W. Rozycki" <macro@linux-mips.org>
CC:	Nigel Stephens <nigel@mips.com>,
	Ralf Baechle <ralf@linux-mips.org>,
	Thiemo Seufer <ths@networkno.de>, linux-mips@linux-mips.org
Subject: Re: [SPAM?]  Re: [PATCH] mm/pg-r4k.c: Dump the generated code
References: <Pine.LNX.4.64N.0710021447470.32726@blysk.ds.pg.gda.pl> <20071002141125.GC16772@networkno.de> <20071002154918.GA11312@linux-mips.org> <47038874.9050704@gmail.com> <20071003131158.GL16772@networkno.de> <4703F155.4000301@gmail.com> <20071003201800.GP16772@networkno.de> <47049734.6050802@gmail.com> <20071004121557.GA28928@linux-mips.org> <4705004C.5000705@gmail.com> <Pine.LNX.4.64N.0710041616570.10573@blysk.ds.pg.gda.pl> <4705EFE5.7090704@gmail.com> <Pine.LNX.4.64N.0710051312490.17849@blysk.ds.pg.gda.pl> <470A4349.9090301@gmail.com> <Pine.LNX.4.64N.0710081611460.8873@blysk.ds.pg.gda.pl> <470BE1F4.3070800@gmail.com> <Pine.LNX.4.64N.0710101231290.9821@blysk.ds.pg.gda.pl> <470CC0CE.9080303@mips.com> <Pine.LNX.4.64N.0710111242530.16370@blysk.ds.pg.gda.pl>
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Maciej W. Rozycki wrote:
> 
>  Though either way I am not sure these would have to be put in Kconfig or 
> Makefile anywhere.  A generic way should be enough for the insistent as 
> the potentially useful options may proliferate; we have the CFLAGS_KERNEL 
> and CFLAGS_MODULE Makefile variables that would suit for setting upon 
> `make' invocation.
> 

In that case very few people would use this optimization.

We could just have one new Kconfig option in kernel hacking submenu:

config EXTRA_CFLAGS
	string
	help
	  If you want to pass additionnal option to GCC
	  for optimization purpose for example, use this.


		Franck