linux-kernel - Re: [PATCH 0/11 v3] enable "make ARCH=x86"

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Message-ID: <47356A84.9020106@garzik.org>
Date:	Sat, 10 Nov 2007 03:23:32 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 0/11 v3] enable "make ARCH=x86"

Sam Ravnborg wrote:
> Keeping ARCH=i386 and ARCH=x86_64 around is just a way to pretend
> this is two diffrent architectures which is no longer the case.

They _are_ different in the real world...  that's why

	make ARCH=i386

is so often used.


> Do we need a way to say "build a kernel that is 64 bit"?
> If we need this then we should look at the most intuitive way
> to say so and this should work across x86, powerpc and s390.
> 
> 	make 64BIT=y ARCH=x86
> 
> looks so much more intuitive. And it is generic.
> This is just a proposal.

Or the short and straightforward

	make ARCH=x86_64

to do the same thing (and incidentally what we've been doing up until 
this point).

Don't get so hung up on "architecture" and actually look at what people 
do _today_.

All other solutions proposed are simply _longer_ ways to do exact the 
same thing.  "more work for same outcome" isn't optimal.

	Jeff


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