From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: 2.6.23-rc2: WARNING: at kernel/irq/resend.c:70 check_irq_resend() Date: Fri, 10 Aug 2007 12:16:41 +0200 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 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 To: Jarek Poplawski Return-path: Content-Disposition: inline In-Reply-To: <20070810100513.GA3279@ff.dom.local> Sender: linux-net-owner@vger.kernel.org List-Id: netdev.vger.kernel.org * 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); }