Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751600AbXAHRYg (ORCPT ); Mon, 8 Jan 2007 12:24:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751602AbXAHRYg (ORCPT ); Mon, 8 Jan 2007 12:24:36 -0500 Received: from outbound-cpk.frontbridge.com ([207.46.163.16]:6612 "EHLO outbound1-cpk-R.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751598AbXAHRYe convert rfc822-to-8bit (ORCPT ); Mon, 8 Jan 2007 12:24:34 -0500 X-BigFish: VP X-Server-Uuid: 89466532-923C-4A88-82C1-66ACAA0041DF X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Subject: RE: [PATCH 4/4] x86_64 ioapic: Improve the heuristics for when check_timer fails. Date: Mon, 8 Jan 2007 09:16:32 -0800 Message-ID: <5986589C150B2F49A46483AC44C7BCA4907360@ssvlexmb2.amd.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [PATCH 4/4] x86_64 ioapic: Improve the heuristics for when check_timer fails. Thread-Index: AcczP8NNzpTt9J57QD+KkxpJlyA+XgAB52MQ From: "Lu, Yinghai" To: ebiederm@xmission.com, "Linus Torvalds" cc: "Tobias Diedrich" , "Andrew Morton" , "Adrian Bunk" , "Andi Kleen" , "Linux Kernel Mailing List" X-OriginalArrivalTime: 08 Jan 2007 17:16:34.0261 (UTC) FILETIME=[BF3F5850:01C73348] X-WSS-ID: 69BCA3FB1WC4134937-01-01 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 981 Lines: 28 -----Original Message----- From: ebiederm@xmission.com [mailto:ebiederm@xmission.com] Sent: Monday, January 08, 2007 8:11 AM To: Linus Torvalds Cc: Tobias Diedrich; Lu, Yinghai; Andrew Morton; Adrian Bunk; Andi Kleen; Linux Kernel Mailing List Subject: [PATCH 4/4] x86_64 ioapic: Improve the heuristics for when check_timer fails. >I have tested this on an Nvidia board that reports that apic 0 pin 2 >works when it does not and this code successfully programs apic 0 pin 0 >into ExtINT mode. For some CK804 boards, BIOS forget set to 8254 timer to apic0/pin2, and still leave it at apic0/pin0. but mptable and acpi said 8254 timer is to apic0/pin2. At such case we should try apic0/pin0 with INT mode instead of ExtINT mode. YH - 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/