Messages in this thread |  | | Date | Mon, 9 Oct 2000 20:49:43 +0200 | From | "Andi Kleen" <> | Subject | Re: {PATCH] Re: wasting time on page fault |
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On Mon, Oct 09, 2000 at 08:37:55PM +0200, Mikael Pettersson wrote: > We could also do the following: > > 1. Move the error_code block from divide_error to page_fault; > this removes one jump from the page_fault path.
It is not clear that it is worth it. You want to align error_code and page_fault to 16 or 32 bytes bytes at least, and it would need to execute some nops depending on the length for fallthrough The jmp may be actually faster.
-Andi
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