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Date: Fri, 21 May 2010 19:03:20 -0700 (PDT)
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>
cc: Dave Airlie <airlied@linux.ie>, linux-kernel@vger.kernel.org,
       dri-devel@lists.freedesktop.org
Subject: Re: [git pull] drm for 2.6.35-rc1 (revised)
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On Sat, 22 May 2010, Stephen Rothwell wrote:
> 
> That being said, I did not get the mentioned warning for either an i386
> or x86_64 allmodconfig build - I wonder why not?  Compiler differences?
> Config differences? (See
> http://kisskb.ellerman.id.au/kisskb/buildresult/2617918/ and
> http://kisskb.ellerman.id.au/kisskb/buildresult/2617928/).
> 
> Ah, I did get it for an i386 defconfig build

You need to have 32-bit resources for it to trigger. So it ends up 
depending on CONFIG_PHYS_ADDR_T_64BIT. Which gets set for X86_PAE on x86.

		Linus