Messages in this thread | | | Subject | Re: GEM-related desktop sluggishness due to linear-time arch_get_unmapped_area_topdown() | From | r6144 <> | Date | Tue, 29 Mar 2011 22:44:24 +0800 |
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在 2011-03-29二的 10:22 -0400,Jerome Glisse写道:
> Killer solution would be to have no mapping and a decent > upload/download ioctl that can take userpage.
Doesn't this sound like GEM's read/write interface implemented by e.g. the i915 driver? But if I understand correctly, a mmap-like interface should still be necessary if we want to implement e.g. glMapBuffer() without extra copying.
r6144
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