Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932424AbVKLR2T (ORCPT ); Sat, 12 Nov 2005 12:28:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932425AbVKLR2T (ORCPT ); Sat, 12 Nov 2005 12:28:19 -0500 Received: from cantor.suse.de ([195.135.220.2]:55017 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S932424AbVKLR2T (ORCPT ); Sat, 12 Nov 2005 12:28:19 -0500 From: Andi Kleen To: Vojtech Pavlik Subject: Re: [PATCH 13/39] NLKD/x86-64 - time adjustment Date: Sat, 12 Nov 2005 18:21:11 +0100 User-Agent: KMail/1.8.2 Cc: Jan Beulich , linux-kernel@vger.kernel.org, discuss@x86-64.org References: <43720DAE.76F0.0078.0@novell.com> <200511110312.15616.ak@suse.de> <20051112092200.GA7997@midnight.suse.cz> In-Reply-To: <20051112092200.GA7997@midnight.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200511121821.11552.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 657 Lines: 19 On Saturday 12 November 2005 10:22, Vojtech Pavlik wrote: > Is there any advantage to using 64-bit HPET? Yes - it can tolerate long delays between ticks, e.g. caused by noidletick / debuggers / target probes / smm etc. At least the first case will be fairly important soon. > It's read is even slower Why? The read should be on cache line granuality and there shouldn't be any difference in theory. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/