From: Herbert Xu Subject: Re: [PATCH] crypto: aesni-intel - avoid IPsec re-ordering Date: Thu, 20 Nov 2014 15:43:42 +0800 Message-ID: <20141120074342.GA29544@gondor.apana.org.au> References: <1415771371-30774-1-git-send-email-ming.liu@windriver.com> <20141112084138.GL6390@secunet.com> <20141115031549.GA19208@gondor.apana.org.au> <20141120072650.GT6390@secunet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Ming Liu , davem@davemloft.net, ying.xue@windriver.com, linux-crypto@vger.kernel.org, netdev@vger.kernel.org To: Steffen Klassert Return-path: Received: from helcar.apana.org.au ([209.40.204.226]:47797 "EHLO helcar.apana.org.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751868AbaKTHnw (ORCPT ); Thu, 20 Nov 2014 02:43:52 -0500 Content-Disposition: inline In-Reply-To: <20141120072650.GT6390@secunet.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: On Thu, Nov 20, 2014 at 08:26:51AM +0100, Steffen Klassert wrote: > > What about to use a fallback algorithm that does not need to touch > FPU/SIMD in such cases? We would not need cryptd at all and it would > keep the requests in the right order because we don't defer them. This would be bad for throughput since the fallback is many orders of magnitude slower than aesni. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt