Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261238AbVELMyd (ORCPT ); Thu, 12 May 2005 08:54:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261918AbVELMyc (ORCPT ); Thu, 12 May 2005 08:54:32 -0400 Received: from public.id2-vpn.continvity.gns.novell.com ([195.33.99.129]:38969 "EHLO emea1-mh.id2.novell.com") by vger.kernel.org with ESMTP id S261238AbVELMv7 convert rfc822-to-8bit (ORCPT ); Thu, 12 May 2005 08:51:59 -0400 Message-Id: X-Mailer: Novell GroupWise Internet Agent 6.5.4 Date: Thu, 12 May 2005 14:52:05 +0200 From: "Jan Beulich" To: Cc: , Subject: Re: [PATCH] adjust x86-64 watchdog tick calculation Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 827 Lines: 20 >> Get the x86-64 watchdog tick calculation into a state where it can also >> be used with nmi_hz other than 1Hz. Also do not turn on the watchdog by >> default (as is already done on i386). > >I already fixed this some time ago by using the same code as i386. > >That is what is in the current tree: > wrmsr(MSR_K7_PERFCTR0, -(cpu_khz/nmi_hz*1000), -1); > >But I guess your version will work with a higher frequency, right? For this part of the patch, yes, this will help with frequencies beyond 4GHz. The other change is which deals with nmi_hz being other than 1Hz. Jan - 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/