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Re: [PATCH net-next-2.6] rps: consistent rxhash

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From: David Miller
Subject: Re: [PATCH net-next-2.6] rps: consistent rxhash
Date: Tuesday, April 20, 2010 - 2:41 pm

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 20 Apr 2010 16:57:01 +0200


This is all true and I support your hashing patch and all of that.

But if we really want TCP over loopback to go fast, there are much
better ways to do this.

Eric, do you remember that "TCP friends" rough patch I sent you last
year that essentailly made TCP sockets over loopback behave like
AF_UNIX ones and just queue the SKBs directly to the destination
socket without doing any protocol work?

If we ever got that working, tbench performance would become
impressive :)
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Messages in current thread:
[PATCH v5] rfs: Receive Flow Steering, Tom Herbert, (Thu Apr 15, 10:47 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Thu Apr 15, 11:33 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Thu Apr 15, 11:56 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Fri Apr 16, 12:18 am)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Fri Apr 16, 12:26 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Fri Apr 16, 12:48 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Andi Kleen, (Fri Apr 16, 4:57 am)
Re: [PATCH v5] rfs: Receive Flow Steering, jamal, (Fri Apr 16, 6:32 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Andi Kleen, (Fri Apr 16, 6:42 am)
Re: [PATCH v5] rfs: Receive Flow Steering, jamal, (Fri Apr 16, 7:05 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Andi Kleen, (Fri Apr 16, 8:28 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Tom Herbert, (Fri Apr 16, 8:35 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Fri Apr 16, 11:15 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Tom Herbert, (Fri Apr 16, 11:35 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Fri Apr 16, 11:53 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Fri Apr 16, 12:37 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Tom Herbert, (Fri Apr 16, 1:42 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Fri Apr 16, 2:12 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Fri Apr 16, 2:25 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Fri Apr 16, 3:49 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Fri Apr 16, 3:53 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Fri Apr 16, 3:57 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Tom Herbert, (Fri Apr 16, 5:22 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Fri Apr 16, 5:58 pm)
[PATCH net-next-2.6] rps: rps_sock_flow_table is mostly read, Eric Dumazet, (Sat Apr 17, 12:52 am)
Re: [PATCH net-next-2.6] rps: rps_sock_flow_table is mostl ..., David Miller, (Sat Apr 17, 12:57 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Sat Apr 17, 9:10 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Tom Herbert, (Sat Apr 17, 10:38 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Changli Gao, (Sat Apr 17, 5:06 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Franco Fichtner, (Sun Apr 18, 4:06 am)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Mon Apr 19, 1:09 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Mon Apr 19, 1:23 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Mon Apr 19, 1:32 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Mon Apr 19, 2:19 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Changli Gao, (Mon Apr 19, 4:38 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Mon Apr 19, 10:59 pm)
[PATCH net-next-2.6] rps: consistent rxhash, Eric Dumazet, (Tue Apr 20, 12:56 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, David Miller, (Tue Apr 20, 1:18 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Franco Fichtner, (Tue Apr 20, 5:48 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Eric Dumazet, (Tue Apr 20, 6:16 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Franco Fichtner, (Tue Apr 20, 7:03 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Eric Dumazet, (Tue Apr 20, 7:57 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Tom Herbert, (Tue Apr 20, 8:04 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Tom Herbert, (Tue Apr 20, 8:09 am)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Tue Apr 20, 8:39 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, David Miller, (Tue Apr 20, 2:41 pm)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Changli Gao, (Tue Apr 20, 4:35 pm)
Re: [PATCH net-next-2.6] rps: consistent rxhash, David Miller, (Tue Apr 20, 4:38 pm)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Franco Fichtner, (Wed Apr 21, 2:29 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Eric Dumazet, (Wed Apr 21, 2:39 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Franco Fichtner, (Wed Apr 21, 4:06 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Eric Dumazet, (Wed Apr 21, 4:16 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Tom Herbert, (Wed Apr 21, 12:12 pm)
Re: [PATCH net-next-2.6] rps: consistent rxhash, David Miller, (Fri Apr 23, 1:44 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Mon Apr 26, 1:41 am)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Tue Apr 27, 2:59 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, Eric Dumazet, (Tue Apr 27, 3:08 pm)
Re: [PATCH v5] rfs: Receive Flow Steering, David Miller, (Tue Apr 27, 3:10 pm)
Re: [PATCH net-next-2.6] rps: consistent rxhash, David Miller, (Thu May 6, 1:06 am)
Re: [PATCH net-next-2.6] rps: consistent rxhash, Tom Herbert, (Thu May 6, 7:45 am)