Re: [PATCH] MIPS: Display CPU byteorder in /proc/cpuinfo

[Joshua Kinard <kumba@gentoo.org>]

On 01/20/2015 21:45, Joshua Kinard wrote:
> On 01/20/2015 18:05, David Daney wrote:
>> On 01/19/2015 01:02 AM, Joshua Kinard wrote:
>>> From: Joshua Kinard <kumba@gentoo.org>
>>>
>>> This is a small patch to display the CPU byteorder that the kernel was compiled
>>> with in /proc/cpuinfo.
>>
>> What would use this?  Or in other words, why is this needed?
> 
> It was a patch I started including years ago in Gentoo's mips-sources, and just
> never thought much about.  I know it was submitted several times in the past,
> but I can't recall what, if any objection was ever made.  No harm in sending it
> in again...

Clarification, submitted several times in the past by others.  I think I sent
it in once prior, but never got review or feedback.


>> Userspace C code doesn't need this as it has its own standard ways of
>> determining endianness.
>>
>> If you need to know as a user you can do:
>>
>>    readelf -h /bin/sh | grep Data | cut -d, -f2
> 
> This would only tell you the endianness of the userland binary, not of the
> kernel.  While they should be one and the same (otherwise, you're not going to
> get very far anyways), they are, technically, distinctly different properties.
> 
> --J
>