From: Arjan van de Ven <arjan@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>,
Yong Zhang <yong.zhang0@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"arjan@linux.jf.intel.com" <arjan@linux.jf.intel.com>,
"davem@davemloft.net" <davem@davemloft.net>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH] irq: Add node_affinity CPU masks for smarter irqbalance hints
Date: Tue, 24 Nov 2009 06:42:18 -0800 [thread overview]
Message-ID: <4B0BF0CA.5020600@linux.intel.com> (raw)
In-Reply-To: <1259051986.4531.1057.camel@laptop>
Peter Zijlstra wrote:
>>> Same for userspace.
>> the problem is that there is no way currently that the driver can communicate
>> "I allocated all my metadata on THIS numa node". irqbalance and sysadmins need
>> that to not make really stupid decisions.....
>
> And what exactly is struct device::numa_node good for then?
>
and that is exported to userspace.. how?
... that has nothing to do with an irq, and also falls flat for a driver that
supports multiple irqs, and assigns one to each numa node.
next prev parent reply other threads:[~2009-11-24 14:42 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-23 6:46 [PATCH] irq: Add node_affinity CPU masks for smarter irqbalance hints Peter P Waskiewicz Jr
2009-11-23 7:32 ` Yong Zhang
2009-11-23 7:32 ` Yong Zhang
2009-11-23 9:36 ` Peter P Waskiewicz Jr
2009-11-23 10:21 ` ixgbe question Eric Dumazet
2009-11-23 10:30 ` Badalian Vyacheslav
2009-11-23 10:34 ` Waskiewicz Jr, Peter P
2009-11-23 10:37 ` Eric Dumazet
2009-11-23 14:05 ` Eric Dumazet
2009-11-23 21:26 ` David Miller
2009-11-23 14:10 ` Jesper Dangaard Brouer
2009-11-23 14:38 ` Eric Dumazet
2009-11-23 18:30 ` robert
2009-11-23 16:59 ` Eric Dumazet
2009-11-23 20:54 ` robert
2009-11-23 21:28 ` David Miller
2009-11-23 22:14 ` Robert Olsson
2009-11-23 23:28 ` Waskiewicz Jr, Peter P
2009-11-23 23:44 ` David Miller
2009-11-24 7:46 ` Eric Dumazet
2009-11-24 8:46 ` Badalian Vyacheslav
2009-11-24 9:07 ` Peter P Waskiewicz Jr
2009-11-24 9:55 ` Eric Dumazet
2009-11-24 10:06 ` Peter P Waskiewicz Jr
2009-11-24 11:37 ` [PATCH net-next-2.6] ixgbe: Fix TX stats accounting Eric Dumazet
2009-11-24 13:23 ` Eric Dumazet
2009-11-25 7:38 ` Jeff Kirsher
2009-11-25 9:31 ` Eric Dumazet
2009-11-25 9:38 ` Jeff Kirsher
2009-11-24 13:14 ` ixgbe question John Fastabend
2009-11-29 8:18 ` David Miller
2009-11-30 13:02 ` Eric Dumazet
2009-11-30 20:20 ` John Fastabend
2009-11-26 14:10 ` Badalian Vyacheslav
2009-11-23 17:05 ` [PATCH] irq: Add node_affinity CPU masks for smarter irqbalance hints Peter Zijlstra
2009-11-23 23:32 ` Waskiewicz Jr, Peter P
2009-11-24 8:38 ` Peter Zijlstra
2009-11-24 8:59 ` Peter P Waskiewicz Jr
2009-11-24 9:08 ` Peter Zijlstra
2009-11-24 9:15 ` Peter P Waskiewicz Jr
2009-11-24 14:43 ` Arjan van de Ven
2009-11-24 9:15 ` Peter Zijlstra
2009-11-24 10:07 ` Thomas Gleixner
2009-11-24 17:55 ` Peter P Waskiewicz Jr
2009-11-25 11:18 ` Peter Zijlstra
2009-11-24 6:07 ` Arjan van de Ven
2009-11-24 8:39 ` Peter Zijlstra
2009-11-24 14:42 ` Arjan van de Ven [this message]
2009-11-24 17:39 ` David Miller
2009-11-24 17:56 ` Peter P Waskiewicz Jr
2009-11-24 18:26 ` Eric Dumazet
2009-11-24 18:33 ` Peter P Waskiewicz Jr
2009-11-24 19:01 ` Eric Dumazet
2009-11-24 19:53 ` Peter P Waskiewicz Jr
2009-11-24 18:54 ` David Miller
2009-11-24 18:58 ` Eric Dumazet
2009-11-24 20:35 ` Andi Kleen
2009-11-24 20:46 ` Eric Dumazet
2009-11-25 10:30 ` Eric Dumazet
2009-11-25 10:37 ` Andi Kleen
2009-11-25 11:35 ` Eric Dumazet
2009-11-25 11:50 ` Andi Kleen
2009-11-26 11:43 ` Eric Dumazet
2009-11-24 5:17 ` Yong Zhang
2009-11-24 5:17 ` Yong Zhang
2009-11-24 8:39 ` Peter P Waskiewicz Jr
-- strict thread matches above, loose matches on Subject: below --
2009-11-23 7:12 Peter P Waskiewicz Jr
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4B0BF0CA.5020600@linux.intel.com \
--to=arjan@linux.intel.com \
--cc=arjan@linux.jf.intel.com \
--cc=davem@davemloft.net \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=peter.p.waskiewicz.jr@intel.com \
--cc=peterz@infradead.org \
--cc=yong.zhang0@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.