Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S945959AbcJSQC1 (ORCPT ); Wed, 19 Oct 2016 12:02:27 -0400 Received: from s3.sipsolutions.net ([5.9.151.49]:35882 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S945969AbcJSQAc (ORCPT ); Wed, 19 Oct 2016 12:00:32 -0400 Message-ID: <1476892822.10092.15.camel@sipsolutions.net> Subject: Re: [PATCH] crypto: ccm - avoid scatterlist for MAC encryption From: Johannes Berg To: Ben Greear , Ard Biesheuvel Cc: Herbert Xu , Andy Lutomirski , Sergey Senozhatsky , "" , "David S. Miller" , "" , "linux-kernel@vger.kernel.org" , Jouni Malinen Date: Wed, 19 Oct 2016 18:00:22 +0200 In-Reply-To: <5807984D.4050307@candelatech.com> References: <1476551776-8099-1-git-send-email-ard.biesheuvel@linaro.org> <1476689310.19992.1.camel@sipsolutions.net> <20161019033157.GA1457@gondor.apana.org.au> <1476862995.5927.3.camel@sipsolutions.net> <5807984D.4050307@candelatech.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.20.5-1 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 322 Lines: 10 On Wed, 2016-10-19 at 08:59 -0700, Ben Greear wrote: >  > Do you actually expect performance regressions?  I'll be complaining > if so, but will test first :) I think we can expect this to use a bit more CPU time, but unless you're very tight on that you probably shouldn't expect any throughput difference. johannes