From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753693AbYHBDDR (ORCPT ); Fri, 1 Aug 2008 23:03:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752270AbYHBDDE (ORCPT ); Fri, 1 Aug 2008 23:03:04 -0400 Received: from out01.mta.xmission.com ([166.70.13.231]:41847 "EHLO out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751569AbYHBDDC (ORCPT ); Fri, 1 Aug 2008 23:03:02 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: "Yinghai Lu" Cc: "Ingo Molnar" , "Thomas Gleixner" , "H. Peter Anvin" , "Dhaval Giani" , "Mike Travis" , "Andrew Morton" , linux-kernel@vger.kernel.org References: <1217642575-22727-1-git-send-email-yhlu.kernel@gmail.com> <86802c440808011916q1a279ael995eaeaa655c239@mail.gmail.com> Date: Fri, 01 Aug 2008 19:58:56 -0700 In-Reply-To: <86802c440808011916q1a279ael995eaeaa655c239@mail.gmail.com> (Yinghai Lu's message of "Fri, 1 Aug 2008 19:16:28 -0700") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SA-Exim-Connect-IP: 24.130.11.59 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-DCC: XMission; sa03 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;"Yinghai Lu" X-Spam-Relay-Country: X-Spam-Report: * -1.8 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% * [score: 0.0025] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa03 1397; Body=1 Fuz1=1 Fuz2=1] * 0.0 XM_SPF_Neutral SPF-Neutral Subject: Re: [PATCH] x86: 64bit support more than 256 irq v2 X-SA-Exim-Version: 4.2 (built Thu, 03 Mar 2005 10:44:12 +0100) X-SA-Exim-Scanned: Yes (on mgr1.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "Yinghai Lu" writes: > On Fri, Aug 1, 2008 at 7:02 PM, Yinghai Lu wrote: >> Dhaval Giani got: >> kernel BUG at arch/x86/kernel/io_apic_64.c:357! >> invalid opcode: 0000 [1] SMP >> CPU 24 >> ... >> >> his system (x3950) has 8 ioapic, irq > 256 >> >> caused by >> commit 9b7dc567d03d74a1fbae84e88949b6a60d922d82 >> Author: Thomas Gleixner >> Date: Fri May 2 20:10:09 2008 +0200 >> >> x86: unify interrupt vector defines >> >> The interrupt vector defines are copied 4 times around with minimal >> differences. Move them all into asm-x86/irq_vectors.h >> >> because 64bit allow same vector for different cpu to serve different irq >> >> need to create that array dynamically later >> >> v2: change NR_IRQS to 1024 >> >> Signed-off-by: Yinghai Lu >> Tested-by: Dhaval Giani > > this is for > http://bugzilla.kernel.org/show_bug.cgi?id=11201 > > but need SGI guys to verify in their system. they like to have NR_IRQS to be 224 There was a patch that came out a while ago that set NR_IRQS as NR_IOAPICS*32 from SGI. Where that got to I don't recall. Eric