Re: [PATCH] ext4: fix a big-endian bug when an extent is zeroed out

[Florian Fainelli <florian@openwrt.org>]

Hello,

Le 04/03/13 16:41, Theodore Ts'o a écrit :
> On Wed, Apr 03, 2013 at 10:34:06AM -0400, Eric Whitney wrote:
>>
>> The TI OMAP4 processor on my Pandaboard test system is little endian.
>
> Ah... so basically, we need to find a test platform which allows us to
> boot arbitrary kernels and allows us to have root access (which means
> it's unlikely we'll be able to do this via remote access) and which
> doesn't have exotic power requirements (which as far as I know rules
> out pSeries and zSeries systems....)
>
> It would also be nice if we could run tests in finite time, which
> probably rules out the Hercules emulator (it runs at one-tenth zSeries
> processor speeds, which doesn't win speed competitions by default, and
> I suspect their storage speeds are even worse).
>
> Anyone else have any suggestions?  Or anyone willing to help us run
> ext4 regression tests on the ext4 dev tree, so we can find these
> problems before we merge into mainline?

Qemu emulates various mainline PowerPC, MIPS and SPARC big-endian 
systems pretty efficiently and it should not be too hard neither to 
script nor to get a recent kernel up and running on these platforms.

My 2 cents.
--
Florian
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