Cutler himself wrote code for Vista/Longhorn though. I don't know what you mean by "supervising" it. He also led the efforts for "PatchGuard" kernel protection mechanism that was introduced with Vista.
Source: I reviewed Cutler's lock-free data structure changes in Vista/Longhorn to find bugs in them, failed to find any.
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Cutler himself wrote code for Vista/Longhorn though. I don't know what you mean by "supervising" it. He also led the efforts for "PatchGuard" kernel protection mechanism that was introduced with Vista.
Source: I reviewed Cutler's lock-free data structure changes in Vista/Longhorn to find bugs in them, failed to find any.