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Re: [PATCH 2/3][NET_BATCH] net core use batching

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From: Herbert Xu
Subject: Re: [PATCH 2/3][NET_BATCH] net core use batching
Date: Monday, October 8, 2007 - 7:01 pm

On Mon, Oct 08, 2007 at 06:41:26PM -0700, David Miller wrote:

This is not true.

If your device has a qdisc at all, then you will end up in the
function qdisc_restart, where we release the queue lock only
after acquiring the TX lock.

So right now this path does not create any reordering.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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Messages in current thread:
[PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 11:26 am)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Waskiewicz Jr, Peter P, (Mon Oct 8, 12:46 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 1:48 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 2:26 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Waskiewicz Jr, Peter P, (Mon Oct 8, 3:33 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 3:34 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Waskiewicz Jr, Peter P, (Mon Oct 8, 3:36 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 4:40 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Mon Oct 8, 6:13 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Mon Oct 8, 6:31 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 6:41 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:01 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:03 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:04 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Mon Oct 8, 7:12 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 7:14 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 7:15 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:16 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:16 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, jamal, (Mon Oct 8, 7:19 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:20 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 7:43 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 7:45 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Mon Oct 8, 7:46 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 7:46 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Mon Oct 8, 7:47 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Krishna Kumar2, (Tue Oct 9, 3:58 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Tue Oct 9, 4:02 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Krishna Kumar2, (Tue Oct 9, 4:20 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Krishna Kumar2, (Tue Oct 9, 4:21 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Tue Oct 9, 4:24 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Tue Oct 9, 5:44 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Herbert Xu, (Tue Oct 9, 5:55 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Tue Oct 9, 6:00 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Tue Oct 9, 9:51 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Stephen Hemminger, (Tue Oct 9, 11:22 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Tue Oct 9, 11:30 am)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Waskiewicz Jr, Peter P, (Tue Oct 9, 11:48 am)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Tue Oct 9, 12:04 pm)
RE: [PATCH 2/3][NET_BATCH] net core use batching, Waskiewicz Jr, Peter P, (Tue Oct 9, 12:07 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Tue Oct 9, 1:14 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Jeff Garzik, (Tue Oct 9, 1:20 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Roland Dreier, (Tue Oct 9, 1:22 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Tue Oct 9, 1:43 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Tue Oct 9, 1:51 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Stephen Hemminger, (Tue Oct 9, 1:53 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Tue Oct 9, 2:22 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, David Miller, (Tue Oct 9, 2:25 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Roland Dreier, (Tue Oct 9, 2:40 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., jamal, (Tue Oct 9, 2:56 pm)
Re: [PATCH 2/3][NET_BATCH] net core use batching, Roland Dreier, (Tue Oct 9, 3:44 pm)
[PATCH 1/4] IPoIB: Fix unused variable warning, Roland Dreier, (Tue Oct 9, 3:46 pm)
[PATCH 2/4] ibm_emac: Convert to use napi_struct independe ..., Roland Dreier, (Tue Oct 9, 3:47 pm)
[PATCH 3/4] ibm_new_emac: Nuke SET_MODULE_OWNER() use, Roland Dreier, (Tue Oct 9, 3:47 pm)
[PATCH 4/4] ibm_emac: Convert to use napi_struct independe ..., Roland Dreier, (Tue Oct 9, 3:48 pm)
Re: [ofa-general] [PATCH 4/4] ibm_emac: Convert to use nap ..., Roland Dreier, (Tue Oct 9, 3:51 pm)
Re: [PATCH 1/4] IPoIB: Fix unused variable warning, David Miller, (Tue Oct 9, 4:17 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Tue Oct 9, 5:04 pm)
Re: [PATCH 1/4] IPoIB: Fix unused variable warning, Jeff Garzik, (Tue Oct 9, 5:32 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Tue Oct 9, 5:37 pm)
Re: [PATCH 1/4] IPoIB: Fix unused variable warning, Jeff Garzik, (Tue Oct 9, 5:47 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Tue Oct 9, 5:50 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Wed Oct 10, 2:16 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Wed Oct 10, 2:25 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Herbert Xu, (Wed Oct 10, 2:53 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Wed Oct 10, 3:23 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Wed Oct 10, 3:44 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., jamal, (Wed Oct 10, 6:08 am)
RE: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Waskiewicz Jr, Peter P, (Wed Oct 10, 8:35 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Wed Oct 10, 9:02 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Bill Fink, (Wed Oct 10, 9:02 am)
RE: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Waskiewicz Jr, Peter P, (Wed Oct 10, 9:42 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Wed Oct 10, 3:37 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., David Miller, (Wed Oct 10, 3:53 pm)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Krishna Kumar2, (Wed Oct 10, 11:52 pm)
RE: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Brandeburg, Jesse, (Fri Oct 12, 9:08 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Stephen Hemminger, (Fri Oct 12, 10:05 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Fri Oct 12, 11:27 am)
Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use ..., Andi Kleen, (Fri Oct 12, 11:29 am)