linux-kernel - Re: [PATCH] [retry] vt: add ioctl commands to /dev/vcsaN to get/put the current palette of the given tty

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Message-Id: <20090304141635.fa756831.akpm@linux-foundation.org>
Date:	Wed, 4 Mar 2009 14:16:35 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Cedric Roux <sed@...e.fr>
Cc:	linux-kernel@...r.kernel.org, alan@...rguk.ukuu.org.uk,
	mtk.manpages@...il.com, linux-api@...r.kernel.org
Subject: Re: [PATCH] [retry] vt: add ioctl commands to /dev/vcsaN to get/put
 the current palette of the given tty

On Wed, 4 Mar 2009 09:58:48 +0100 (CET)
Cedric Roux <sed@...e.fr> wrote:

> From: Cedric Roux <sed@...e.fr>
> 
> A ioctl interface and two ioctl commands added to /dev/vcsaN
> to get/put the current palette of the given tty.
> 
> ...
>
> - lock_kernel() is called. Maybe it's not necessary? I'm not
>   confident enough. You decide.

I wouldn't have a clue what it's protecting in there.  But it seems
sane to put it in - once someone gets down and de-lock_kernel()s that
code, they can work out what it should be replaced by.

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