From: David Miller <davem@davemloft.net>
To: dada1@cosmosbay.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] [NET] can use __get_cpu_var() instead of per_cpu() in loopback driver
Date: Fri, 20 Oct 2006 00:32:48 -0700 (PDT) [thread overview]
Message-ID: <20061020.003248.133286934.davem@davemloft.net> (raw)
In-Reply-To: <4538784B.2000306@cosmosbay.com>
From: Eric Dumazet <dada1@cosmosbay.com>
Date: Fri, 20 Oct 2006 09:18:35 +0200
> As BHs are off in loopback_xmit(), preemption cannot occurs, so we can use
> __get_cpu_var() instead of per_cpu() (and avoid a
> preempt_enable()/preempt_disable() pair)
>
> Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Applied, thanks Eric.
prev parent reply other threads:[~2006-10-20 7:33 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20051217071029.GY23384@wotan.suse.de>
[not found] ` <20051216.231517.68922847.davem@davemloft.net>
[not found] ` <43A3EE8A.5020907@cosmosbay.com>
[not found] ` <43CCBF3D.2070900@cosmosbay.com>
[not found] ` <4415A4C1.1030906@cosmosbay.com>
2006-10-12 20:14 ` [PATCH] [NET] reduce sizeof(struct inet_peer), cleanup, change in peer_check_expire() Eric Dumazet
2006-10-12 22:15 ` David Miller
2006-10-13 3:56 ` Eric Dumazet
2006-10-13 4:18 ` David Miller
2006-10-13 4:24 ` Eric Dumazet
2006-10-18 5:08 ` [PATCH] [NET] reduce sizeof(struct flow) Eric Dumazet
2006-10-18 5:17 ` YOSHIFUJI Hideaki / 吉藤英明
2006-10-18 5:30 ` Eric Dumazet
2006-10-18 5:27 ` David Miller
2006-10-18 5:42 ` Eric Dumazet
2006-10-18 6:53 ` David Miller
2006-10-18 8:20 ` Steven Whitehouse
2006-10-18 8:55 ` Eric Dumazet
2006-10-18 12:42 ` Steven Whitehouse
2006-10-18 13:32 ` Eric Dumazet
2006-10-19 3:50 ` David Miller
2006-10-19 5:13 ` Eric Dumazet
2006-10-20 13:55 ` [PATCH] [NET] reduce sizeof(struct flowi) by 20 bytes Eric Dumazet
2006-10-22 3:25 ` David Miller
2006-10-18 11:33 ` [PATCH] [NET] reduce sizeof(struct flow) Ingo Oeser
2006-10-20 7:18 ` [PATCH] [NET] can use __get_cpu_var() instead of per_cpu() in loopback driver Eric Dumazet
2006-10-20 7:32 ` David Miller [this message]
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