[Intel-gfx] [PATCH] Make DGA optional

[Zhenyu Wang]

On 2009.09.16 15:37:52 -0700, Keith Packard wrote:
> On Wed, 2009-09-16 at 15:33 +0800, Zhenyu Wang wrote:
> 
> > Keith, are you ok with this one?
> 
> Sadly, we can't actually fix this in the driver -- anything we return
> will get passed back to the application which will then happily mmap
> that and start drawing on it. Worse yet, the application need not even
> have root access as the server will create a pixmap pointing at that
> memory and paint all over it in response to client rendering requests.

yeah, that's the thing I don't know how we can fix it.

> 
> I've posted a patch to the X server which removes all of the rendering
> capability from the DGA extension. That can be applied on the 1.6 branch
> as well.
> 

Nice! I'll hold mine until xserver got patched.

Thanks.
-- 
Open Source Technology Center, Intel ltd.

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