Messages in this thread |  | | Subject | Re: lilo vs other OS bootloaders was: FreeBSD makes progress | Date | Wed, 5 Sep 2001 23:11:35 +0100 (BST) | From | Alan Cox <> |
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> However, I'm not sure whether this would really hurt overall kernel > performance, for two reasons: First, I would think that the requirement to > use the lock instruction would overshadow any function call overhead.
AMD lock overhead for an L1 cached exclusive line is basically on the synchronization point, it doesn't go to memory. I believe later Pentium I* do the same.
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