[PATCH 3/3] drm: Make drm_local_map use a resource_size_t offset
Benjamin Herrenschmidt
benh at kernel.crashing.org
Tue Feb 3 08:21:28 EST 2009
>
> Could this comment instead be maybe:
>
> Because the kernel-userspace ABI is fixed at a 32-bit offset, while PCI
> resources may live above that, we ignore the map offset for maps of type
> _DRM_FRAMEBUFFER or _DRM_REGISTERS. It is assumed that each driver will
> have only one resource of each type.
>
> (I want to remember later what exact ABI problem was in question)
Fair enough. I'll repost.
Cheers,
Ben.
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