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SubjectRe: lilo vs other OS bootloaders was: FreeBSD makes progress
> 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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