Hi Chris,
On Wednesday, October 23, 2019 11:11:35 AM CEST Chris Wilson wrote:
> Quoting Janusz Krzysztofik (2019-10-23 10:07:51)
> > Commit a355b2d6eb42 ("igt/gem_exec_reloc: Filter out unavailable
> > addresses for !ppgtt") introduced filtering of addresses possibly
> > occupied by other users of shared GTT. Unfortunately, that filtering
> > is unconditional, no matter if running on old shared GTT or not. When
> > running on PPGTT, that may result in errors other than those intended
> > to be skipped over being silently ignored.
>
> You forgot the aliasing-ppgtt which has exactly the same issues with
> reserved locations (since it is a mirror of the GGTT).
OK, let me check if the aliasing-ppgtt case can be addressed.
Thanks,
Janusz
> -Chris
>
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