From: David Miller <davem@davemloft.net>
To: kevdig@hypersurf.com
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] genirq: Set initial default irq affinity to just CPU0
Date: Sat, 25 Oct 2008 21:05:13 -0700 (PDT) [thread overview]
Message-ID: <20081025.210513.80339263.davem@davemloft.net> (raw)
In-Reply-To: <4903A37A.50607@hypersurf.com>
From: Kevin Diggs <kevdig@hypersurf.com>
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.
next prev parent reply other threads:[~2008-10-26 4:05 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-24 15:57 [PATCH] genirq: Set initial default irq affinity to just CPU0 Kumar Gala
2008-10-24 23:18 ` David Miller
2008-10-25 21:33 ` Benjamin Herrenschmidt
2008-10-25 22:53 ` Kevin Diggs
2008-10-26 4:05 ` David Miller [this message]
2008-10-27 17:36 ` Chris Friesen
2008-10-27 18:28 ` David Miller
2008-10-27 19:10 ` Chris Friesen
2008-10-27 19:25 ` David Miller
2008-10-28 3:46 ` Chris Friesen
2008-10-27 19:43 ` Kumar Gala
2008-10-27 19:49 ` David Miller
2008-10-27 20:46 ` Kumar Gala
2008-10-26 6:48 ` Benjamin Herrenschmidt
2008-10-26 7:16 ` David Miller
2008-10-26 8:29 ` Benjamin Herrenschmidt
2008-10-27 2:30 ` Kevin Diggs
2008-10-27 2:49 ` Benjamin Herrenschmidt
2008-10-26 4:04 ` David Miller
2008-10-26 6:33 ` Benjamin Herrenschmidt
2008-10-27 13:43 ` Kumar Gala
2008-10-27 20:27 ` Benjamin Herrenschmidt
2008-10-27 20:45 ` Kumar Gala
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