> Hmmm. _Very_ interesting. I was thinking that perhaps the timer
> interrupt code could be kept in such a locked cache line, because on a
> busy machine it probably gets overwritten between the 10 ms periodic
> interrupts. But that's a hypothesis. Nobody seems to have quantitative
> data on this precise subject.
I think that this is *bad* idea: 10ms is not really often. And as
kernel usually eats <<1% of CPU time or less, stealing L1 cache lines
from userspace is probably going to be contraproductive.
Pavel
-- The best software in life is free (not shareware)! Pavel GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu