[Mesa-dev] [Bug 97102] [dri][swr] stack overflow / infinite loop with GALLIUM_DRIVER=swr

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97102

--- Comment #10 from Tim Rowley <timothy.o.rowley at intel.com> ---
I think the right fix for CalculateProcessorTopology is to prune empty nodes at
the end:

    for (auto it = out_nodes.begin(); it != out_nodes.end(); ) {
        if ((*it).cores.size() == 0)
            it = out_nodes.erase(it);
        else
            ++it;
    }

However, the rest of the topology logic with that cpuinfo comes to the
conclusion that's there's only two cores, and so will only generate two threads
with one being dedicated to the API.  We'll need to adjust that logic as well.

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