On Wednesday 23 November 2005 18:32, Alan Cox wrote:
> On Mer, 2005-11-23 at 11:46 -0500, Adam Jackson wrote:
> > On Wednesday 23 November 2005 07:48, Michael Frank 
wrote:
> > > Testing 2.6.15-rc2  in-kernel DRM, why still no
> > > mach64 support which works fine for me from
> > > snapshots/cvs?
> >
> > Because it's still insecure.
>
> Michael - If you've got a Mach64 and you want it
> mainstream you need to add code which validates the
> command stream passed to the chip is valid. There is code
> like this in the VIA driver and the Mach64 needs
> something similar to verify you aren't doing things like
> DMAing patches into the kernel with the graphics card but
> only using commands that are "safe".
>

Thank you Alan, I had a look at the via driver and will
work on the mach64 driver. 

Michael


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