linux-kernel - Re: [PATCH, RFC, BAD IDEA] /proc/tty/console

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Message-Id: <20080228224923.fbbd97dc.akpm@linux-foundation.org>
Date:	Thu, 28 Feb 2008 22:49:23 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Bill Nottingham <notting@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH, RFC, BAD IDEA] /proc/tty/console

On Wed, 27 Feb 2008 13:18:57 -0500 Bill Nottingham <notting@...hat.com> wrote:

> The attached patch adds /proc/tty/console. The contents of it are
> simply a description of the current drivers attached to /dev/console.
> For example, a boot with 'console=ttyS3,115200n1 console=tty0' would
> yield:
> 
> # cat /proc/tty/console
> unknown             /dev/tty0
> serial              /dev/ttyS3

I must say that the what-consoles-are-registered problem makes my head spin
sometimes too.  Seems a worthy objective.

However I think that a bunch of plain old printks which are emitted when a
console is added or removed would suffice?

We should display each console's CON_foo flags too.
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