linux-kernel - Re: [PATCH] proc: add byteorder file

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Message-ID: <cb411513-9cb0-482f-8642-43704c2bfa52@t-8ch.de>
Date:   Tue, 1 Nov 2022 05:42:36 +0100
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Karel Zak <kzak@...hat.com>,
        Masatake YAMATO <yamato@...hat.com>, linux-api@...r.kernel.org
Subject: Re: [PATCH] proc: add byteorder file

On 2022-11-01 05:34+0100, Greg KH wrote:
> On Tue, Nov 01, 2022 at 01:50:43AM +0100, Thomas Weißschuh wrote:
> > Certain files in procfs are formatted in byteorder dependent ways. For
> > example the IP addresses in /proc/net/udp.
> > 
> > Assuming the byteorder of the userspace program is not guaranteed to be
> > correct in the face of emulation as for example with qemu-user.
> > 
> > Also this makes it easier for non-compiled applications like
> > shellscripts to discover the byteorder.
> > 
> > Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
> 
> Why not put this in /sys/kernel/ instead?  What does this have to do
> with /proc/ other than it's traditionally been the dumping ground for
> stuff like this?  :)

The main reason to put it in /proc was because the data it helps to interpret
is also in /proc.

But /sys/kernel looks good, too. I'll change it to that.