From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e31.co.us.ibm.com (e31.co.us.ibm.com [32.97.110.149]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e31.co.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTP id BBE90DDEE1 for ; Sat, 4 Aug 2007 03:30:51 +1000 (EST) Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e31.co.us.ibm.com (8.13.8/8.13.8) with ESMTP id l73HUim5016413 for ; Fri, 3 Aug 2007 13:30:44 -0400 Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v8.4) with ESMTP id l73HUiMc203102 for ; Fri, 3 Aug 2007 11:30:44 -0600 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l73HUi5o003581 for ; Fri, 3 Aug 2007 11:30:44 -0600 Date: Fri, 3 Aug 2007 12:30:43 -0500 From: Josh Boyer To: Sergei Shtylyov Subject: Re: [patch 06/10] 40x decrementer fixes Message-ID: <20070803123043.76ff5233@weaponx.rchland.ibm.com> In-Reply-To: <46B36651.8070209@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> <20070803122512.26a24d99@weaponx.rchland.ibm.com> <46B36651.8070209@ru.mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: linuxppc-dev@ozlabs.org, paulus@samba.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 03 Aug 2007 21:30:57 +0400 Sergei Shtylyov wrote: > Josh Boyer wrote: > > >>>>on 40x to match the behavior 44x currently has. > > >>> 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. > > > What error exactly? I'm not following you there. If there really is > > I was assuming that the decrementer is in auto-reload mode. Brain fade. :-< Heh, ok. Glad I wasn't completely lost there :). josh