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SubjectRe: [Patch, RFC] Make struct fb_info ref-counted with kref

> On Wed, 22 September 2010 James Simmons <jsimmons@infradead.org> wrote:
> > > This year someone said he/she would look at making it possible to have
> > > multiple concurrently active consoles on distinct framebuffers.
> > > Hopefully something is happening on that front (that would certainly
> > > also include some fbcon cleanup)
> >
> > That would be me.
>
> Thanks for showing up (I didn't find the matching thread, probably
> subject and my search terms were no good friends :)

No problem.

> > I have a tree at
> >
> > http://git.infradead.org/users/jsimmons/linuxconsole-2.6.git
> >
> > but currently fbcon is broken so I'm tracing down the problem.
>
> Thanks for the reference to your tree!
>
> What's you opinion regarding my changes to fbcon in my RFC patch?
> Are they ok or would you prefer having fbcon changed to stop peeking
> at registered_fb list and just operate directly on fb_info everywhere
> it needs it? (that is let con2fb_map[] point to fb_info instead of
> indexes into registered_fb? (I have a preference for the second one
> and will try it out)

I'm aiming to kill off registered_fb. I agree that fb_info should be used
directly and we can avoid the ref-count. As for con2fb_map that is a
little more complex.


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