From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754853AbcCWLTm (ORCPT ); Wed, 23 Mar 2016 07:19:42 -0400 Received: from webbox1416.server-home.net ([77.236.96.61]:57868 "EHLO webbox1416.server-home.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753351AbcCWLTd (ORCPT ); Wed, 23 Mar 2016 07:19:33 -0400 From: Alexander Stein To: Marc Zyngier Cc: linux-kernel@vger.kernel.org, Minghuan Lian , linux-arm-kernel@lists.infradead.org, Thomas Gleixner , Jason Cooper , Roy Zang , Mingkai Hu , Stuart Yoder , Yang-Leo Li Subject: Re: [PATCH 2/2 v5] irqchip/Layerscape: Add SCFG MSI controller support Date: Wed, 23 Mar 2016 12:19:30 +0100 Message-ID: <1547622.IrIylJTC5Q@ws-stein> User-Agent: KMail/4.14.10 (Linux/4.1.15-gentoo-r1; KDE/4.14.16; x86_64; ; ) In-Reply-To: <56F27914.3080908@arm.com> References: <1457321782-3245-1-git-send-email-Minghuan.Lian@nxp.com> <7239962.9Fyo0vfqsc@ws-stein> <56F27914.3080908@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 23 March 2016 11:08:04, Marc Zyngier wrote: > > Using an intel e1000e card which uses 3 MSIs. But the IRQ numbers are a bit strange though: > >> grep eth3 /proc/interrupts > >> > >> 63: 49 0 MSI 134742016 Edge eth3-rx-0 > >> 64: 3 0 MSI 134742017 Edge eth3-tx-0 > >> 65: 4 0 MSI 134742018 Edge eth3 > > This is a virtual interrupt number (despite being displayed as a hwirq), > computed from the PCI requester ID and the MSI index. You shouldn't > infer anything from it. Why show it anyway then if you can't infer anything? Best regards, Alexander From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexander.stein@systec-electronic.com (Alexander Stein) Date: Wed, 23 Mar 2016 12:19:30 +0100 Subject: [PATCH 2/2 v5] irqchip/Layerscape: Add SCFG MSI controller support In-Reply-To: <56F27914.3080908@arm.com> References: <1457321782-3245-1-git-send-email-Minghuan.Lian@nxp.com> <7239962.9Fyo0vfqsc@ws-stein> <56F27914.3080908@arm.com> Message-ID: <1547622.IrIylJTC5Q@ws-stein> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wednesday 23 March 2016 11:08:04, Marc Zyngier wrote: > > Using an intel e1000e card which uses 3 MSIs. But the IRQ numbers are a bit strange though: > >> grep eth3 /proc/interrupts > >> > >> 63: 49 0 MSI 134742016 Edge eth3-rx-0 > >> 64: 3 0 MSI 134742017 Edge eth3-tx-0 > >> 65: 4 0 MSI 134742018 Edge eth3 > > This is a virtual interrupt number (despite being displayed as a hwirq), > computed from the PCI requester ID and the MSI index. You shouldn't > infer anything from it. Why show it anyway then if you can't infer anything? Best regards, Alexander