Re: [PATCH] genirq: Set initial default irq affinity to just CPU0
From: David Miller <davem@davemloft.net>
Date: 2008-10-26 04:05:36
From: Kevin Diggs <redacted> Date: Sat, 25 Oct 2008 15:53:46 -0700
What does this all mean to my GigE (dual 1.1 GHz 7455s)? Is this thing supposed to be able to spread irq between its cpus?
Networking interrupts should lock onto a single CPU, unconditionally. That's the optimal way to handle networking interrupts, especially with multiqueue chips. This is what the userland IRQ balance daemon does.