From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Borkmann Subject: Re: [PATCH net-next] loopback: sctp: add NETIF_F_SCTP_CSUM to device features Date: Mon, 24 Feb 2014 14:36:03 +0100 Message-ID: <530B4AC3.2040903@redhat.com> References: <1393074113-9922-1-git-send-email-dborkman@redhat.com> <063D6719AE5E284EB5DD2968C1650D6D0F6C96DE@AcuExch.aculab.com> <530B1F93.4010308@redhat.com> <063D6719AE5E284EB5DD2968C1650D6D0F6C9802@AcuExch.aculab.com> <530B34D3.2050307@redhat.com> <063D6719AE5E284EB5DD2968C1650D6D0F6C99F9@AcuExch.aculab.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: "davem@davemloft.net" , "netdev@vger.kernel.org" , "linux-sctp@vger.kernel.org" To: David Laight Return-path: Received: from mx1.redhat.com ([209.132.183.28]:47823 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752301AbaBXNgL (ORCPT ); Mon, 24 Feb 2014 08:36:11 -0500 In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6D0F6C99F9@AcuExch.aculab.com> Sender: netdev-owner@vger.kernel.org List-ID: On 02/24/2014 02:24 PM, David Laight wrote: ... > Which architecture and which version of crc32_le() does your kernel use? It's using slice-by-8 algorithm, and my machine is [only] a core i7 (x86_64). Apparently, it is not using the crypto version that is accelerated. > (I'd guess there are several lurking). > Whichever function you are using wants killing. > > David