Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935291AbXHJKR0 (ORCPT ); Fri, 10 Aug 2007 06:17:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1764869AbXHJKRA (ORCPT ); Fri, 10 Aug 2007 06:17:00 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:35656 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758241AbXHJKQ6 (ORCPT ); Fri, 10 Aug 2007 06:16:58 -0400 Date: Fri, 10 Aug 2007 12:16:41 +0200 From: Ingo Molnar To: Jarek Poplawski Cc: Thomas Gleixner , John Stoffel , linux-kernel@vger.kernel.org, shemminger@linux-foundation.org, vignaud@xandmail.fr, marcin.slusarz@gmail.com, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, linux-net@vger.kernel.org, netdev@vger.kernel.org Subject: Re: 2.6.23-rc2: WARNING: at kernel/irq/resend.c:70 check_irq_resend() Message-ID: <20070810101641.GA31396@elte.hu> References: <18107.11431.838905.331157@stoffel.org> <20070809155445.GA5161@ff.dom.local> <1186733140.12828.45.camel@chaos> <20070810082346.GD1764@ff.dom.local> <20070810083050.GA4545@elte.hu> <20070810084924.GF1764@ff.dom.local> <20070810085611.GA11639@elte.hu> <20070810091231.GH1764@ff.dom.local> <20070810093353.GA19777@elte.hu> <20070810100513.GA3279@ff.dom.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070810100513.GA3279@ff.dom.local> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7-deb -1.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1570 Lines: 46 * Jarek Poplawski wrote: > Ingo: I think, you have to do this in x86_64, and there is probably > send_IPI_mask used for this (but I can miss something...). indeed - full patch below. Ingo --- arch/i386/kernel/io_apic.c | 3 ++- arch/x86_64/kernel/genapic.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) Index: linux/arch/i386/kernel/io_apic.c =================================================================== --- linux.orig/arch/i386/kernel/io_apic.c +++ linux/arch/i386/kernel/io_apic.c @@ -735,7 +735,8 @@ void fastcall send_IPI_self(int vector) * Wait for idle. */ apic_wait_icr_idle(); - cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | APIC_DEST_LOGICAL; + cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | APIC_DEST_LOGICAL | + APIC_INT_LEVELTRIG; /* * Send the IPI. The write to APIC_ICR fires this off. */ Index: linux/arch/x86_64/kernel/genapic.c =================================================================== --- linux.orig/arch/x86_64/kernel/genapic.c +++ linux/arch/x86_64/kernel/genapic.c @@ -62,5 +62,6 @@ void __init setup_apic_routing(void) void send_IPI_self(int vector) { - __send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL); + __send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL | + APIC_INT_LEVELTRIG); } - 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/