linux-kernel - Re: Introduce support for little endian PowerPC

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Message-Id: <2C5357FA-F87F-457E-B5C1-0DCC5A842DE7@kernel.crashing.org>
Date:	Fri, 1 Oct 2010 04:02:24 -0500
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Ian Munsie <imunsie@....ibm.com>
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	benh@...nel.crashing.org, paulus@...ba.org
Subject: Re: Introduce support for little endian PowerPC


On Oct 1, 2010, at 2:05 AM, Ian Munsie wrote:

> Some PowerPC processors can be run in either big or little endian modes, some
> others can map selected pages of memory as little endian, which allows the same
> thing. Until now we have only supported the default big endian mode in Linux.
> This patch set introduces little endian support for the 44x family of PowerPC
> processors.

>From a community aspect is anyone actually going to use this?  Is this going to be the equivalent of voyager on x86?  I've got nothing against some of the endian clean ups this introduces.  However the changes to misc_32.S are a bit ugly from a readability point of view.  Just seems like this is likely to bit-rot pretty quickly.

- k

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