linux-kernel - Re: [patch 0/4] Cell SPE logos

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Message-ID: <Pine.LNX.4.62.0707131051190.18802@pademelon.sonytel.be>
Date:	Fri, 13 Jul 2007 10:52:10 +0200 (CEST)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	"Antonino A. Daplas" <adaplas@...il.com>,
	Arnd Bergmann <arnd@...db.de>,
	James Simmons <jsimmons@...radead.org>,
	linux-fbdev-devel@...ts.sourceforge.net, cbe-oss-dev@...abs.org,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [patch 0/4] Cell SPE logos

On Thu, 12 Jul 2007, Andrew Morton wrote:
> On Tue, 10 Jul 2007 14:27:02 +0200
> Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com> wrote:
> 
> > The Cell Broadband Engine contains a 64-bit PowerPC core with 2 hardware
> > threads (called PPEs) and 8 Synergistic Processing Engines (called SPEs).
> > When booting Linux, 2 penguins logos are shown on the graphical console by
> > the standard frame buffer console logo code.
> > 
> > To emphasize the existence of the SPEs (which can be used under Linux), we
> > added a second row of (smaller) helper penguin logos, one for each SPE.
> > 
> > A sample screenshot can be found at
> > http://www.kernel.org/pub/linux/kernel/people/geoff/cell/debian-penguin-shot.png
> > (or on the ps3linux T-shirts we wore at OLS :-)
> 
> Does this mean I'll get penguins on my PS3 now?

Sure!

> > Summaries:
> >   [1] fbdev: extract fb_show_logo_line()
> >   [2] fbdev: Add fb_append_extra_logo()
> 
> This one does give additional code and data to all fbdev users while only
> being useful to cell machines.  Should we fix that?

I can protect it by #ifdef CONFIG_PPC_CELL (as long as there are no other
users). Would that be OK?

> >   [3] fbdev: SPE helper penguin logo
> >   [4] Cell: Draw SPE helper penguin logos
> 
> I queued #4 up along with the fbdev patches, even though it isn't really an
> fbdev patch.

OK, thanks!

With kind regards,
 
Geert Uytterhoeven
Software Architect

Sony Network and Software Technology Center Europe
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