From: David Miller <davem@davemloft.net>
To: therbert@google.com
Cc: shemminger@vyatta.com, netdev@vger.kernel.org, eric.dumazet@gmail.com
Subject: Re: [PATCH] xps-mq: Transmit Packet Steering for multiqueue
Date: Wed, 01 Sep 2010 09:09:35 -0700 (PDT) [thread overview]
Message-ID: <20100901.090935.63038425.davem@davemloft.net> (raw)
In-Reply-To: <AANLkTin2rmcsxHi6+bFEUykhrkoWs--hrisAx_v__k1D@mail.gmail.com>
From: Tom Herbert <therbert@google.com>
Date: Wed, 1 Sep 2010 08:41:14 -0700
>> Why don't we do this in the normal transmit processing.
>> There is already so much policy mechanism filters/actions/qdisc that
>> doing it in higher level is fighting against these.
>>
> Are you proposing that TX queue selection be done in the qdiscs? The
> queue has to be selected before taking the lock (cannot afford taking
> a lock over the whole interface). This would necessitate moving the
> locking and probably rearranging a lot of the xmit code around that.
Right, we really have to pick queues before entering the qdisc for
the full benefit of lock seperation.
next prev parent reply other threads:[~2010-09-01 16:09 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-23 5:39 [PATCH] xps-mq: Transmit Packet Steering for multiqueue Tom Herbert
2010-08-23 17:09 ` Ben Hutchings
[not found] ` <AANLkTinST5zaS0NtBjrzyLbsg=w_EVsHE3DCDcrmQNc6@mail.gmail.com>
2010-08-23 17:50 ` Ben Hutchings
2010-08-23 17:59 ` Stephen Hemminger
2010-09-01 15:41 ` Tom Herbert
2010-09-01 15:54 ` Eric Dumazet
2010-09-01 16:24 ` Tom Herbert
2010-09-02 1:32 ` David Miller
2010-09-02 1:48 ` Stephen Hemminger
2010-09-02 16:00 ` Loke, Chetan
2010-09-02 19:52 ` Tom Herbert
2010-09-02 23:17 ` Loke, Chetan
2010-09-02 1:56 ` Stephen Hemminger
2010-09-02 6:41 ` Greg Lindahl
2010-09-02 16:18 ` Loke, Chetan
2010-09-02 15:55 ` Loke, Chetan
2010-09-16 21:52 ` Ben Hutchings
2010-09-19 17:24 ` Michael S. Tsirkin
2010-09-20 12:44 ` [RFC][PATCH 1/3] IRQ: Add irq_get_numa_node() Ben Hutchings
2010-09-20 13:04 ` Eric Dumazet
2010-09-20 12:45 ` [RFC][PATCH 2/3] ethtool: NUMA affinity control Ben Hutchings
2010-09-20 12:48 ` [RFC][PATCH 3/3] sfc: Add support for " Ben Hutchings
2011-02-21 18:19 ` [PATCH] xps-mq: Transmit Packet Steering for multiqueue Ben Hutchings
2011-02-21 19:31 ` Jeremy Eder
2011-02-26 7:09 ` David Miller
2010-09-01 16:09 ` David Miller [this message]
2010-08-24 4:31 ` Bill Fink
2010-08-24 4:37 ` Tom Herbert
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=20100901.090935.63038425.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=eric.dumazet@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=shemminger@vyatta.com \
--cc=therbert@google.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).