From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.saout.de (Postfix) with ESMTPS for ; Wed, 21 Oct 2009 17:40:28 +0200 (CEST) Received: from list by lo.gmane.org with local (Exim 4.50) id 1N0dG5-0001py-Ez for dm-crypt@saout.de; Wed, 21 Oct 2009 17:37:53 +0200 Received: from 84.119.83.175 ([84.119.83.175]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 21 Oct 2009 17:37:53 +0200 Received: from gebi by 84.119.83.175 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 21 Oct 2009 17:37:53 +0200 From: Michael Gebetsroither Date: Wed, 21 Oct 2009 17:34:50 +0200 Message-ID: References: <20090919004502.GB31184@tansi.org> <1253360741.4317.15.camel@HansWurst> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: news Subject: Re: [dm-crypt] md-raid5+lvm+dm-crypt+kvm: one streaming write starves all reads List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: dm-crypt@saout.de * Rick Moritz wrote: >> > Is the advantage still there, when you've only got one core available? >> >> Is there a way to tell the kernel to disable one core at boot? The >> BIOS doesn't have an option for it on this board. > > You should be able to build a non-SMP kernel - that ought to restrict the kernel threads to serial execution. booting with maxcpus=0 or nosmp should do the same. michael -- It's already too late!