linux-kernel - Re: [PATCH 01/18] powerpc: Add ability to build little endian kernels

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Date:	Fri, 01 Oct 2010 22:22:22 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Josh Boyer <jwboyer@...il.com>
Cc:	Ian Munsie <imunsie@....ibm.com>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, Michal Marek <mmarek@...e.cz>,
	Albert Herranz <albert_herranz@...oo.es>, paulus@...ba.org,
	Andreas Schwab <schwab@...ux-m68k.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Sam Ravnborg <sam@...nborg.org>,
	Torez Smith <lnxtorez@...ux.vnet.ibm.com>
Subject: Re: [PATCH 01/18] powerpc: Add ability to build little endian
 kernels

On Fri, 2010-10-01 at 07:40 -0400, Josh Boyer wrote:
> Have you tested this support with a userspace containing floating
> point instructions?  I wonder if CONFIG_MATH_EMULATION is going to
> need work at all, and if the boards with an actual FPU (440EP, 440EPx,
> 460EX, etc) would have issues. 

That's one of the things on the TODO list. We've tested that on a 44x
with no FPU so far and made sure we built without math emu.

Cheers,
Ben.


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