Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 21 Oct 2002 08:57:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 21 Oct 2002 08:57:03 -0400 Received: from pc1-cwma1-5-cust42.swa.cable.ntl.com ([80.5.120.42]:10932 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Mon, 21 Oct 2002 08:57:02 -0400 Subject: Re: [RFC][PATCH] linux-2.5.34_vsyscall_A0 From: Alan Cox To: Stephen Hemminger Cc: Andrea Arcangeli , john stultz , Linus Torvalds , Michael Hohnbaum , "Martin J. Bligh" , george anzinger , lkml In-Reply-To: <1034957619.5401.8.camel@dell_ss3.pdx.osdl.net> References: <1034915132.1681.144.camel@cog> <20021018111442.GH16501@dualathlon.random> <1034957619.5401.8.camel@dell_ss3.pdx.osdl.net> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-10) Date: 21 Oct 2002 14:18:22 +0100 Message-Id: <1035206302.28189.95.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 771 Lines: 16 On Fri, 2002-10-18 at 17:13, Stephen Hemminger wrote: > It would be great to rework the whole TSC time of day stuff to work with > per cpu data and allow unsychronized TSC's like NUMA. The problem is > that for fast user level access, there would need to be some way to find The timer isnt even necessarily constant rate. The tsc is a nice tool for debugging. Using it as a clock was not in the long run brilliant. Don't try and continue it further, we have ACPI and HPET and other better solutions in upcoming PC hardware. - 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/