Interrupt distribution on SMP machine

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Hi all:
I'm wondering about interrupts distribution in Linux kernel, lets say
i'm running Linux on a dual core processor, then Linux will distribute
incoming interrupts between these two cores (processors)
lets say also i'm running a service that uses nearly equal
cpu/io/network time like a proxy that has many things to check in the
content before issue an IO command to HDs or to network interface
the question is, is it better to let all IO/network interrupts be
routed to CPU0 and assign CPU1 to run the service user-level process ?
or let Linux handles it if Linux can do it more efficiently
and what is the side effect of such partitioning on high IO/network
interrupts on CPU0?
In general, is manual interrupt/cpu assignment on SMP machine a good
or a bad idea?
Thanks in advance

--
Muhammad Tayseer Alquoatli

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