linux-kernel - Re: VT console need rewrite

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Message-ID: <AANLkTim5RHNQnFG-fUJ=zXk1Zz4uhf3+dLGU4MwXq5Sr@mail.gmail.com>
Date:	Mon, 29 Nov 2010 16:23:24 -0500
From:	Jerome Glisse <j.glisse@...il.com>
To:	Valdis.Kletnieks@...edu
Cc:	microcai@...oraproject.org,
	Alexey Gladkov <gladkov.alexey@...il.com>,
	"Ted Ts'o" <tytso@....edu>, Lisa Milne <lisa@...net.com>,
	"jonsmirl@...il.com" <jonsmirl@...il.com>,
	linux-kernel@...r.kernel.org, linux-console@...r.kernel.org,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: VT console need rewrite

On Mon, Nov 29, 2010 at 12:50 PM,  <Valdis.Kletnieks@...edu> wrote:
> On Mon, 29 Nov 2010 10:14:06 +0800, Microcai said:
>
>> The thing is, you really should agree that, implementing UNICODE font in
>> kernel isn't a bad idea.
>
> Let us know when you have implemented support for bidirectional
> scripts that require compositing or half-spacing characters.  Without
> blowing out the 8K kernel stack.
>
> Doing it *right* is important:
>
> http://gizmodo.com/382026/a-cellphones-missing-dot-kills-two-people-puts-three-more-in-jail
>
> Two dead, three in jail.  All because of broken font support.  That's a good
> reason to not even try unless you can do it *right*.
>
>

Side point, KMS people would like to see the direct memory access to
fb buffer vanish, right now we are wasting vram to keep a front buffer
around for fb. So somethings like always using some callback to access
(write/read) to fb buffer.

Cheers,
Jerome Glisse
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