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Date: Mon, 8 Aug 2005 10:15:32 -0700 (PDT)
From: Christoph Lameter <christoph@lameter.com>
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To: Russell King <rmk+lkml@arm.linux.org.uk>
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Subject: Re: 2.6.13-rc3-mm3
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On Mon, 8 Aug 2005, Russell King wrote:

> ARM doesn't have cmpxchg nor does it have hardware access nor dirty
> bits.  They're simulated in software.

Even the cmpxchg is simulated.

> What's the problem you're trying to solve?

A hang when starting X on ARM with rc4-mm1 which contains the page fault 
patches. But I have no access to the platform.