On Sat, 9 Jul 2011 09:38:51 +0100, Chris Wilson <[email protected]> wrote:
> + /* We have to disable faulting here in case the user address > + * is really a GTT mapping and so we can not enter > + * i915_gem_fault() whilst already holding struct_mutex. > + */ I would (far, far) rather disallow pread through the GTT mapping. There's no credible reason to allow it. Is there some reasonably fast way to detect that these addresses are within the GTT and just bail? Any performance penalty that serves solely to enable abuse of the interface is not reasonable. -- [email protected]
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