linux-kernel - Re: [git pull] drm patches for 2.6.27-rc1

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Date:	Mon, 20 Oct 2008 05:17:02 +0100
From:	Steven J Newbury <steve@...wbury.org.uk>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Eric Anholt <eric@...olt.net>, Dave Airlie <airlied@...ux.ie>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, dri-devel@...ts.sf.net
Subject: Re: [git pull] drm patches for 2.6.27-rc1

On Sun, 2008-10-19 at 19:52 +0200, Peter Zijlstra wrote:
> On Sat, 2008-10-18 at 00:49 -0700, Eric Anholt wrote:
> 
> > Writing 3D drivers means running 3D games.  Running 3D games
> > unfortunately means running a lot of 32-bit userland as the fun stuff is
> > binary-only.  So I stick to a 32-bit system, becuase past experience
> > trying to run both on the same system has been misery.
> 
> You can run 32bit user-space on a 64bit kernel just fine.
> Any breakage, if anything, you find will need to get fixed anyway.
> 
I'd like to second this.  32bit on 64bit works fine.  I've been
maintaining separate multilib versions of the Gentoo libdrm/Mesa ebuilds
for 32bit/64bit.  It is important that the 32bit and 64bit graphics
stacks are synchronised, rather than relying on external compatibility
libraries as Gentoo does currently.  Failing to do so does lead to
instability and/or failure.
 
> Also, one would hope Intel is poking these game writers to migrate to
> 64bit Linux ;-)
> 
Indeed! :)

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