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From: John Baldwin <jhb@freebsd.org>
To: Orit Moskovich <oritm@mellanox.com>
Subject: Re: taskqueues
Date: Thu, 30 May 2013 08:08:12 -0400
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On Thursday, May 30, 2013 2:04:48 am Orit Moskovich wrote:
> Also, is it possible to set affinity of a task in a taskqueue? From what I 
understood, each interrupt thread handling taskqueues and the ithread of the 
bus_setup_intr is a single thread, not one per cpu.

Correct.

> What possibilities I have if I need to defer work from a filter routine to 
multiple tasks, and schedule them to work on a specific core?

Currently there is no pre-built API to give you per-CPU work queues.  However,
you could create a taskqueue for each CPU (and schedule an initial task that
calls sched_bind() to bind the associated thread to a specific CPU) and then 
you could schedule a task for a specific CPU by scheduling it on the taskqueue 
for a specific CPU.

-- 
John Baldwin