linux-kernel - Re: [PATCH 1/1] console: add /proc/consoles

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Date:	Wed, 3 Nov 2010 14:12:37 -0700
From:	Greg KH <gregkh@...e.de>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Jiri Slaby <jslaby@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, "Dr. Werner Fink" <werner@...e.de>,
	Al Viro <viro@...IV.linux.org.uk>
Subject: Re: [PATCH 1/1] console: add /proc/consoles

On Wed, Nov 03, 2010 at 09:03:42PM +0100, Jiri Slaby wrote:
> On 11/03/2010 06:39 PM, Greg KH wrote:
> > On Wed, Nov 03, 2010 at 05:25:32PM +0100, Jiri Slaby wrote:
> >> Actually where this code should be in fs/proc/? Most of the /proc/* is
> >> handled elsewhere (fs/ mm/ kernel/). The rest is handled in specialized
> >> fs/proc/FILE.c.
> > 
> > What's wrong with putting it into fs/proc/proc_tty.c?  That seems like
> > the most logical thing to me...
> 
> consoles have little to do with ttys. Except ttys can be consoles.

And all consoles are ttys :)

> To me
> it seems illogical to have info about netconsole, parallel consoles or
> early serials somewhere in /proc/tty/. That's why I moved the info from
> /proc/tty/ to /proc and the code from fs/proc/proc_tty.c to
> kernel/printk.c where consoles are managed.

Ok, how about fs/proc/proc_console.c instead?

And no, printk.c is not the most logical place for something like this.
If I see a proc file, I am not going to automatically assume that
printk.c would have anything to do with it.  As it really doesn't
(printk goes to the kernel log buffer, not a console).

thanks,

greg k-h
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