From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH 1/3] uio: fix irq handling with igb_uio Date: Wed, 13 May 2015 11:31:31 +0200 Message-ID: <1965571.qvjumJN0Zx@xps13> References: <1430239000-30881-1-git-send-email-stephen@networkplumber.org> <1430239000-30881-2-git-send-email-stephen@networkplumber.org> <20150430162703.GA5972@bricha3-MOBL3> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: Stephen Hemminger Return-path: Received: from mail-wi0-f182.google.com (mail-wi0-f182.google.com [209.85.212.182]) by dpdk.org (Postfix) with ESMTP id 2CAD95A31 for ; Wed, 13 May 2015 11:32:16 +0200 (CEST) Received: by wicnf17 with SMTP id nf17so47942240wic.1 for ; Wed, 13 May 2015 02:32:16 -0700 (PDT) In-Reply-To: <20150430162703.GA5972@bricha3-MOBL3> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 2015-04-30 17:27, Bruce Richardson: > On Tue, Apr 28, 2015 at 09:36:38AM -0700, Stephen Hemminger wrote: > > The introduction of uio_pci_generic broke interrupt handling with > > igb_uio. The igb_uio device uses the kernel read/write method to > > enable disable IRQ's; the uio_pci_generic has to use PCI intx > > config read/write to enable disable interrupts. > > > > Since igb_uio uses MSI-X the PCI intx config read/write won't > > work. > > > > Signed-off-by: Stephen Hemminger > > Acked-by: Bruce Richardson Fixes: c112df6875a5 ("eal/linux: toggle interrupt for uio_pci_generic") Applied this fix without the rest of the series (incomplete enhancements). Thanks for the good work on pci interrupts.