From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750708AbVJ1UTr (ORCPT ); Fri, 28 Oct 2005 16:19:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750736AbVJ1UTr (ORCPT ); Fri, 28 Oct 2005 16:19:47 -0400 Received: from zproxy.gmail.com ([64.233.162.194]:23799 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S1750708AbVJ1UTq convert rfc822-to-8bit (ORCPT ); Fri, 28 Oct 2005 16:19:46 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=OMNmZu46fnDx86UUUfMKkVm6cW3yLiZUwNpZDuDwGSCUf4JLyCwAuLzuMAIp0/p/QNEuFh6LzQ4c7FVjjJpK2o4u+KKjgBnNEIv1dC3HX/LV4Hb4E/S1c2ZbyMCFD1UNHeqob3cJKvccXZpUOENA62Ecomb1Xh9dA+6cBTy5rIw= Message-ID: <86802c440510281319y667427fj38ffd7a37b8cb77b@mail.gmail.com> Date: Fri, 28 Oct 2005 13:19:45 -0700 From: Yinghai Lu To: Andi Kleen Subject: Re: x86_64: calibrate_delay_direct and apic id lift for BSP Cc: discuss@x86-64.org, linux-kernel@vger.kernel.org, linuxbios@openbios.org In-Reply-To: <6F7DA19D05F3CF40B890C7CA2DB13A4201E061EC@ssvlexmb2.amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <6F7DA19D05F3CF40B890C7CA2DB13A4201E061EC@ssvlexmb2.amd.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I wonder if 8111 only support 4 bit apicid, so it can not send irq to BSP at apic id 0x10.... YH On 10/28/05, Lu, Yinghai wrote: > I have tried latest code..., except that, it works well. > > YH > > -----Original Message----- > From: Andi Kleen [mailto:ak@suse.de] > Sent: Friday, October 28, 2005 11:53 AM > To: Lu, Yinghai > Cc: discuss@x86-64.org; linux-kernel@vger.kernel.org; > linuxbios@openbios.org > Subject: Re: x86_64: calibrate_delay_direct and apic id lift for BSP > > On Friday 28 October 2005 20:42, Yinghai Lu wrote: > > andi, > > > > I tried to lift apic id in LinuxBIOS for all cpus after 0x10. > > > > When using MB with AMD8111, the jiffies was not moving. So it is > > locked at calibrate_delay_direct... > > Have you tried it with 2.6.14? It has some new code to handle > high apic ids better > > > but MB with Nvidia ck804, jiffies is moving. > > The timer is wired different on nvidia than on 8111. They can > go either through the 8259 or through the IOAPIC. There is still > some code that falls back to the 8259 if IOAPIC doesn't work, > which may make it appear working on Nvidia. > > As a warning I'm about to remove that code so don't rely on it. > > > If I don't change BSP apic id ( keep it to 0), It changes.... > > > > I have no idea how the jiffies changes, there is another thread change > it....? > > They change when interrupt 0 fires. So it's probably misrouted > or similar. > > > -Andi > > > - > 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/ >