From: Andi Kleen <ak@suse.de>
To: "David S. Miller" <davem@davemloft.net>
Cc: Stephen Hemminger <shemminger@osdl.org>,
hadi@cyberus.ca, iod00d@hp.com, eric.lemoine@gmail.com,
roland@topspin.com, netdev@oss.sgi.com, ak@suse.de,
openib-general@openib.org, kaber@trash.net
Subject: Re: [PATCH]: was Re: LLTX and netif_stop_queue
Date: Thu, 20 Jan 2005 04:14:23 +0100 [thread overview]
Message-ID: <20050120031423.GC30088@wotan.suse.de> (raw)
In-Reply-To: <20050119164640.6c67bdfa.davem@davemloft.net>
On Wed, Jan 19, 2005 at 04:46:40PM -0800, David S. Miller wrote:
> Ok, here is what something like this might look like.
>
> In summary:
>
> 1) dev->xmit_lock is now IRQ disabling instead of BH disabling
> 2) Drivers can use dev->xmit_lock in place of their private
> driver_priv->tx_lock and this is effectively the same gain
> LLTX gave drivers sans the race condition which started this
> thread.
> 3) NETDEV_TX_LOCKED is gone
> 4) LLTX stays, but this means that the driver's TX routine is
> %100 lockless. It is only to be used by loopback and other
> queueless software devices such as tunnels.
Looks good to me and much cleaner than what I initially did.
Thanks.
-Andi
next prev parent reply other threads:[~2005-01-20 3:14 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-17 21:57 LLTX and netif_stop_queue Roland Dreier
2004-12-18 5:44 ` David S. Miller
2004-12-18 15:35 ` Roland Dreier
2004-12-18 17:58 ` Roland Dreier
2004-12-18 18:26 ` Roland Dreier
2004-12-19 19:33 ` jamal
2004-12-19 19:31 ` jamal
2004-12-19 19:54 ` jamal
2004-12-19 20:02 ` Jamal Hadi Salim
2004-12-19 22:35 ` Roland Dreier
2004-12-19 23:06 ` jamal
2004-12-19 23:16 ` Roland Dreier
2004-12-22 18:49 ` Eric Lemoine
2004-12-23 4:29 ` David S. Miller
2004-12-23 4:38 ` Roland Dreier
2004-12-23 9:10 ` Eric Lemoine
2004-12-23 16:37 ` Patrick McHardy
2004-12-23 18:11 ` Eric Lemoine
2004-12-24 16:10 ` Eric Lemoine
2004-12-28 13:31 ` jamal
2005-01-02 23:30 ` Eric Lemoine
2005-01-03 7:41 ` Eric Lemoine
2005-01-03 15:04 ` jamal
2005-01-03 15:48 ` Eric Lemoine
2005-01-03 15:57 ` Roland Dreier
2005-01-03 16:41 ` Eric Lemoine
2005-01-03 16:54 ` Roland Dreier
2005-01-03 17:07 ` Eric Lemoine
2005-01-03 17:12 ` Grant Grundler
2005-01-04 4:18 ` jamal
2005-01-19 22:47 ` David S. Miller
2005-01-19 23:18 ` Stephen Hemminger
2005-01-19 23:41 ` David S. Miller
2005-01-20 0:02 ` [openib-general] " Jeff Garzik
2005-01-20 0:46 ` Stephen Hemminger
2005-01-20 0:47 ` David S. Miller
2005-01-20 0:47 ` Francois Romieu
2005-01-20 0:52 ` David S. Miller
2005-01-20 1:17 ` Francois Romieu
2005-01-20 0:46 ` [PATCH]: was " David S. Miller
2005-01-20 3:14 ` Andi Kleen [this message]
2005-01-20 7:05 ` David S. Miller
2005-01-20 3:43 ` Roland Dreier
2005-01-20 7:05 ` David S. Miller
2005-01-20 13:51 ` Tommy Christensen
2005-01-20 21:34 ` David S. Miller
2005-01-20 21:56 ` Grant Grundler
2005-01-21 1:01 ` David S. Miller
2005-01-22 3:17 ` Roland Dreier
2005-01-22 3:53 ` David S. Miller
2005-01-20 21:41 ` David S. Miller
2005-01-20 16:56 ` Stephen Hemminger
2005-01-21 10:54 ` Lennert Buytenhek
2005-01-26 6:27 ` David S. Miller
2005-01-26 13:25 ` Lennert Buytenhek
2005-01-27 6:32 ` David S. Miller
2005-01-27 7:16 ` Andi Kleen
2005-01-27 7:22 ` David S. Miller
2005-01-27 8:26 ` Andi Kleen
2005-01-20 19:16 ` Jeff Garzik
2005-01-20 4:01 ` jamal
2005-01-20 5:18 ` David S. Miller
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