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Date: Wed, 1 Oct 2003 10:33:29 +0100
From: Jamie Lokier <jamie@shareable.org>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andi Kleen <ak@suse.de>, Andrew Morton <akpm@osdl.org>,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Mutilated form of Andi Kleen's AMD prefetch errata patch
Message-ID: <20031001093329.GA2649@mail.shareable.org>
References: <20031001073132.GK1131@mail.shareable.org> <Pine.LNX.4.44.0310010900280.5501-100000@localhost.localdomain>
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Hugh Dickins wrote:
> On Wed, 1 Oct 2003, Jamie Lokier wrote:
> > 
> > See recent message from me.  All you need is a check "address >=
> > TASK_SIZE", which is thread already at the start of do_page_fault.
> 
> What about the 4G+4G split?

Whoever is looking after the 4G+4G patch can deal with it, presumably.
It'll be the same condition ad 4G+4G uses to decide if it's an access
to userspace (needing a search of the vma list), or not.

-- Jamie