On Sun, 10 Jul 2011 11:45:29 -0700, Eric Anholt <[email protected]> wrote:
> That means that I can't give users of GL pointers to GTT mappings for > the buffer mapping API, because then I'd have to check in userland > whether the pointer they give me for other API entrypoints is to a known > GTT mapping before doing a pread into it. And then I imagine cross-API > interactions and shudder. Yeah, it clearly has to work; it's not clear how fast it needs to be. However, if we get the prefaulting stuff fixed, we should still be able to hit the fast path most of the time. -- [email protected]
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