From: Herbert Xu Subject: Re: [RFC] [PATCH v2 0/4] Parallel IPsec Date: Sat, 25 Apr 2009 18:56:27 +0800 Message-ID: <20090425105627.GA6243@gondor.apana.org.au> References: <20090424102451.GB12680@secunet.com> <20090425083849.GD26070@ioremap.net> <20090425092142.GA5830@gondor.apana.org.au> <20090425101019.GA28498@ioremap.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Steffen Klassert , David Miller , linux-crypto@vger.kernel.org To: Evgeniy Polyakov Return-path: Received: from rhun.apana.org.au ([64.62.148.172]:49479 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752211AbZDYK4i (ORCPT ); Sat, 25 Apr 2009 06:56:38 -0400 Content-Disposition: inline In-Reply-To: <20090425101019.GA28498@ioremap.net> Sender: linux-crypto-owner@vger.kernel.org List-ID: On Sat, Apr 25, 2009 at 02:10:19PM +0400, Evgeniy Polyakov wrote: > > What's the deal PCI drivers have with CPUs data comes from/to? > They do not touch cache, just run DMA transfer and complete the request. It's the same as NICs. To set things up and to reap the result you need to synchronise. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt