From: David Gibson <david@gibson.dropbear.id.au>
To: Paul Mackerras <paulus@samba.org>, linuxppc-dev@ozlabs.org
Subject: Re: powerpc: Remove use of 4level-fixup.h for ppc32
Date: Mon, 7 May 2007 15:47:45 +1000 [thread overview]
Message-ID: <20070507054745.GC24464@localhost.localdomain> (raw)
In-Reply-To: <20070507053527.GB24464@localhost.localdomain>
On Mon, May 07, 2007 at 03:35:27PM +1000, David Gibson wrote:
> For 32-bit systems, powerpc still relies on the 4level-fixup.h hack,
> to pretend that the generic pagetable handling stuff is 3-levels
> rather than 4. This patch removes this, instead using the newer
> pgtable-nopmd.h to handle the elision of both the pud and pmd
> pagetable levels (ppc32 pagetables are actually 2 levels).
>
> This removes a little extraneous code, and makes it more easily
> compared to the 64-bit pagetable code.
>
> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Urg.. forgot to mention. This patch is dependent (textually, not
conceptually) on my earlier patch abolishing PTE_FMT.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
next prev parent reply other threads:[~2007-05-07 5:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-07 5:35 powerpc: Remove use of 4level-fixup.h for ppc32 David Gibson
2007-05-07 5:47 ` David Gibson [this message]
2007-05-07 8:24 ` Christoph Hellwig
2007-05-08 2:46 ` David Gibson
-- strict thread matches above, loose matches on Subject: below --
2007-05-08 2:46 David Gibson
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