I only do high-quality commit messages.

This fix was discovered by me putting a printf above the unlock, it fixing the hitching, then me removing the printf and adding and moving this yield around until it no longer hitched.

Pulled this off yesterday.

I've been working on clearing out multithreading bugs from the Doom source port I work on (of which there are far too many), and my first fix for spectre fuzz had some quirks which could result in some pretty neat effects.