From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754910Ab0FAHVV (ORCPT ); Tue, 1 Jun 2010 03:21:21 -0400 Received: from one.firstfloor.org ([213.235.205.2]:56852 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753411Ab0FAHVU (ORCPT ); Tue, 1 Jun 2010 03:21:20 -0400 Date: Tue, 1 Jun 2010 09:21:15 +0200 From: Andi Kleen To: Tomasz Chmielewski Cc: linux-kernel@vger.kernel.org, mbroz@redhat.com, Andi Kleen , Eric Dumazet Subject: Re: [PATCH] DM-CRYPT: Scale to multiple CPUs Message-ID: <20100601072115.GA30556@basil.fritz.box> References: <4C040441.9020107@wpkg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4C040441.9020107@wpkg.org> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Quite common to hit on a netbook/laptop with encrypted root these days, > where storage can be relatively fast when compared to the speed of one of > the cores of the (usually) multicore CPU. My patch will help as long as the IO is submitted by multiple CPUs. If that is not happening you would need pcrypt. -Andi -- ak@linux.intel.com -- Speaking for myself only.