From: David Miller <davem@davemloft.net>
To: ebiederm@xmission.com
Cc: netdev@vger.kernel.org, containers@lists.osdl.org
Subject: Re: [PATCH 1/4] net: Dynamically allocate the per cpu counters for the loopback device.
Date: Wed, 26 Sep 2007 22:09:01 -0700 (PDT) [thread overview]
Message-ID: <20070926.220901.51682476.davem@davemloft.net> (raw)
In-Reply-To: <m1ps05rnjv.fsf@ebiederm.dsl.xmission.com>
From: ebiederm@xmission.com (Eric W. Biederman)
Date: Wed, 26 Sep 2007 17:53:40 -0600
>
> This patch add support for dynamically allocating the statistics counters
> for the loopback device and adds appropriate device methods for allocating
> and freeing the loopback device.
>
> This completes support for creating multiple instances of the loopback
> device, in preparation for creating per network namespace instances.
>
> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Applied to net-2.6.24, thanks.
> @@ -155,7 +154,8 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev)
> dev->last_rx = jiffies;
>
> /* it's OK to use __get_cpu_var() because BHs are off */
> - lb_stats = &__get_cpu_var(pcpu_lstats);
> + pcpu_lstats = netdev_priv(dev);
> + lb_stats = per_cpu_ptr(pcpu_lstats, smp_processor_id());
> lb_stats->bytes += skb->len;
> lb_stats->packets++;
>
I'm going to add a followon change that gets rid of that
comment about __get_cpu_var() since it is no longer
relevant.
next prev parent reply other threads:[~2007-09-27 5:09 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-26 23:53 [PATCH 1/4] net: Dynamically allocate the per cpu counters for the loopback device Eric W. Biederman
2007-09-26 23:55 ` [PATCH 2/4] net ipv4: Remove unnecessary test for the loopback device from inetdev_destroy Eric W. Biederman
2007-09-26 23:58 ` [PATCH 3/4] net ipv4: When possible test for IFF_LOOPBACK and not dev == loopback_dev Eric W. Biederman
2007-09-27 0:00 ` [PATCH 4/4] net: Make the loopback device per network namespace Eric W. Biederman
2007-09-27 5:11 ` David Miller
2007-09-27 12:14 ` [Devel] " Denis V. Lunev
2007-09-27 16:48 ` Eric W. Biederman
2007-09-27 5:10 ` [PATCH 3/4] net ipv4: When possible test for IFF_LOOPBACK and not dev == loopback_dev David Miller
2007-09-27 10:34 ` Daniel Lezcano
2007-09-27 16:10 ` Eric W. Biederman
2007-09-27 5:09 ` [PATCH 2/4] net ipv4: Remove unnecessary test for the loopback device from inetdev_destroy David Miller
2007-09-27 5:09 ` David Miller [this message]
2007-09-27 7:48 ` [PATCH 1/4] net: Dynamically allocate the per cpu counters for the loopback device Eric W. Biederman
2007-09-27 18:52 ` David Miller
2007-09-27 20:44 ` Eric W. Biederman
2007-09-27 20:56 ` David Miller
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