Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1945972AbWANBuK (ORCPT ); Fri, 13 Jan 2006 20:50:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1945973AbWANBuK (ORCPT ); Fri, 13 Jan 2006 20:50:10 -0500 Received: from e36.co.us.ibm.com ([32.97.110.154]:8917 "EHLO e36.co.us.ibm.com") by vger.kernel.org with ESMTP id S1945972AbWANBuI (ORCPT ); Fri, 13 Jan 2006 20:50:08 -0500 Subject: RE: Dual core Athlons and unsynced TSCs From: john stultz To: Steven Rostedt Cc: Lee Revell , Thomas Gleixner , Ingo Molnar , Roger Heflin , "'linux-kernel'" In-Reply-To: References: <1137168254.7241.32.camel@localhost.localdomain> <1137174463.15108.4.camel@mindpipe> <1137174848.15108.11.camel@mindpipe> <1137178506.15108.38.camel@mindpipe> <1137182991.8283.7.camel@localhost.localdomain> <1137198221.11300.21.camel@cog.beaverton.ibm.com> <1137201012.6727.1.camel@localhost.localdomain> <1137201250.1408.39.camel@mindpipe> <1137201821.11300.30.camel@cog.beaverton.ibm.com> <1137202039.1408.42.camel@mindpipe> <1137202773.11300.37.camel@cog.beaverton.ibm.com> Content-Type: text/plain Date: Fri, 13 Jan 2006 17:50:02 -0800 Message-Id: <1137203402.11300.41.camel@cog.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 749 Lines: 27 On Fri, 2006-01-13 at 20:43 -0500, Steven Rostedt wrote: > On Fri, 13 Jan 2006, john stultz wrote: > > > > > This is as I understand it: > > > > With 2.6.15 on x86-64: > > If available, alternate timesources (HPET, ACPI PM) will be used if > > available on AMD SMP systems. (clock= is i386 only) > > Hmm, should I boot without the clock= to prove this? Feel free. That or grep the x86-64 time.c code. Look for: time.c: Using PM based timekeeping. To verify the timesource selection. thanks -john - 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/