Messages in this thread |  | | From | Systemkennung Linux <> | Subject | Re: verify_area() | Date | Sun, 8 Dec 1996 16:49:33 +0100 (MET) |
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> I believe it is all handled by the MMU with exceptions. I also > remember reading about a really slick execption handling routine > somebody patched into ther kernel. It is supposed to make tha normal > (non-error) calls work much faster and handle the abnormal (error) > calls better.
I assume you're talking about the exception handling enhancements based on a idea of Ingo Molinar and implemented for Alpha/i386 by Richard Henderson. That version penalizes the error case even more and eleminates the overhead for the normal case almost completly.
Ralf
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