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Re: forcing bottom half to a specific processor on numa

To: chas3@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: forcing bottom half to a specific processor on numa
From: "David S. Miller" <davem@xxxxxxxxxx>
Date: Fri, 29 Aug 2003 16:44:21 -0700
Cc: chas@xxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <200308291549.h7TFngl5014364@ginger.cmf.nrl.navy.mil>
References: <200308291549.h7TFngl5014364@ginger.cmf.nrl.navy.mil>
Sender: netdev-bounce@xxxxxxxxxxx
On Fri, 29 Aug 2003 11:49:43 -0400
chas williams <chas@xxxxxxxxxxxxxxxx> wrote:

> is there a reason i shouldnt do this?  is there a better way?

Just bind the interrupts of your card to a processor local
to the numa node in question using the IRQ affinity stuff.

Then all softints you schedule will run on that processor
too, when you schedule a softint or a tasklet it runs on
the cpu where you perform that schedule.

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