linux-kernel - Re: [PATCH 0/2] tty,vcs: vcs_seek fix + removing con_buf

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Message-ID: <20110217135525.GA1952@jolsa.brq.redhat.com>
Date:	Thu, 17 Feb 2011 14:55:25 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	alan@...rguk.ukuu.org.uk, gregkh@...e.de
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] tty,vcs: vcs_seek fix + removing con_buf_mtx

hi,
any feedback?

thanks,
jirka

On Mon, Feb 07, 2011 at 07:31:23PM +0100, Jiri Olsa wrote:
> hi,
> 
> the vcs lseek method might race with VC removal and cause panic.
> 
> Also it seems the vcs is the only one using con_buf and con_buf_mtx,
> which does not seem necessary any longer.
> 
> attached patches:
> 1/2 - lseek/VC-release race fix
> 2/2 - removing con_buf and con_buf_mtx
> 
> wbr,
> jirka
> ---
>  drivers/tty/vt/vc_screen.c |  110 +++++++++++++++++++++++++++-----------------
>  drivers/tty/vt/vt.c        |   12 -----
>  include/linux/vt_kern.h    |    8 ---
>  3 files changed, 67 insertions(+), 63 deletions(-)
> --
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