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SubjectRe: [RFC PATCH] vmwgfx: Fix assignment in vmw_framebuffer_create_handle
----- Original Message -----
> On 01/27/2012 03:24 PM, Jakob Bornecrantz wrote:
> > I was asking around and this seems to only be used by X when it
> > starts and we want to preserve the contents of the screen. That
> > feature is implemented by the X driver. So we need to figure how we
> > want to solve it.
> >
> > Either way this fix should probably go into this RC series, not
> > sure if we need to send this to stable, since we are not leaking
> > data to userspace (check drm_mode_getfb), but we might as well.
> >
> > Reviewed-by: Jakob Bornecrantz<jakob@vmware.com>
>
> But shouldn't we return the *real* handle. Not 0??

Yeah, you are right. Not sure we have user_handle in the stable
kernels tho.

We need to change not only the X driver but also all the other
userspace components since at least libkms doesn't create shared
buffers. And if the thing that is running before X is using fbdev
this wont do much good either since fbdev is not backed by a
fb in the way other drivers do it.

Cheers, Jakob.


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