From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 2E6FCDDE24 for ; Sat, 4 Aug 2007 12:29:07 +1000 (EST) Subject: Re: [patch 06/10] 40x decrementer fixes From: Benjamin Herrenschmidt To: Sergei Shtylyov In-Reply-To: <46B3617B.10509@ru.mvista.com> References: <20070803160900.069522000@linux.vnet.ibm.com> > <20070803161710.931656000@linux.vnet.ibm.com> > <46B35C07.4090806@ru.mvista.com> <46B3617B.10509@ru.mvista.com> Content-Type: text/plain Date: Sat, 04 Aug 2007 12:28:57 +1000 Message-Id: <1186194537.5733.4.camel@gruick> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, paulus@samba.org Reply-To: benh@kernel.crashing.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2007-08-03 at 21:10 +0400, Sergei Shtylyov wrote: > > Why bother doing this?! This will only warrant you imprecise decrementer > > interrupts while it should be interrupting at the precise period currently (if > > you load PIT once)... > > I.e. the error will only accumulate. NAK. No, it won't since the timebase is always used as the reference. Ben.