From owner-cvs-src@FreeBSD.ORG Thu Sep 30 14:45:18 2004 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2BFC016A4CE; Thu, 30 Sep 2004 14:45:18 +0000 (GMT) Received: from mp2.macomnet.net (mp2.macomnet.net [195.128.64.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7AE5D43D39; Thu, 30 Sep 2004 14:45:17 +0000 (GMT) (envelope-from maxim@FreeBSD.org) Received-SPF: pass (mp2.macomnet.net: domain of maxim@FreeBSD.org designates 127.0.0.1 as permitted sender) receiver=mp2.macomnet.net; client_ip=127.0.0.1; envelope-from=maxim@FreeBSD.org; Received: from localhost (0c9zwfpw@localhost [127.0.0.1]) by mp2.macomnet.net (8.12.11/8.12.11) with ESMTP id i8UEjGTZ036644; Thu, 30 Sep 2004 18:45:16 +0400 (MSD) (envelope-from maxim@FreeBSD.org) Date: Thu, 30 Sep 2004 18:45:16 +0400 (MSD) From: Maxim Konovalov To: Ken Smith In-Reply-To: <20040930143903.70C4D16A561@hub.freebsd.org> Message-ID: <20040930184338.W36141@mp2.macomnet.net> References: <20040930143903.70C4D16A561@hub.freebsd.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: rvp@spdop.ru cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/sparc64/sparc64 machdep.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Sep 2004 14:45:18 -0000 On Thu, 30 Sep 2004, 14:39-0000, Ken Smith wrote: > kensmith 2004-09-30 14:38:59 UTC > > FreeBSD src repository > > Modified files: > sys/sparc64/sparc64 machdep.c > Log: > This along with v1.6 of counter.c fixes some timecounter issues on > MP machines (hopefully). CPU timers are OK on UP machines but we > don't keep the timers in sync on MP machines so if the CPU's timer > is chosen as the primary timecounter it's possible for time to > not be monotonically increasing because different CPU's counters > may be used at different times. But the CPU's counters are otherwise > one of the higher quality counters available. So, on UP machines > we'll use a relatively high quality value but on MP machines we'll > use a quality that should prevent the CPU's counters from being chosen. > > Requested by: green (who did the first version of the patch) > Reviewed by: marius, green > MFC after: 1 week Thanks! That fixed our netra 1400 tc problem I discussed with green. -- Maxim Konovalov