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

[Andrew Morton]

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

> From: Cedric Roux <sed@xxxxxxx>
> 
> 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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