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Math Is Hard – OpenBSD Stories
When you're on the other side of the fence, and working in the kernel, all the gory details which will heavily differ across platforms can no longer be ignored, and sometimes, the shortcomings of a given processor architecture can become a real pain in the arse. For example, if you have read the m88k saga, you might remember that the need, for the operating system exception handler, to perform all the pending load and stores before returning from exception processing, had been a source of problems for years.
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