From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753013AbbFXPuJ (ORCPT ); Wed, 24 Jun 2015 11:50:09 -0400 Received: from 8bytes.org ([81.169.241.247]:39790 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752161AbbFXPuH (ORCPT ); Wed, 24 Jun 2015 11:50:07 -0400 Date: Wed, 24 Jun 2015 17:50:05 +0200 From: Joerg Roedel To: Eric Auger Cc: Alex Williamson , Avi Kivity , "Wu, Feng" , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "pbonzini@redhat.com" , "mtosatti@redhat.com" Subject: Re: [v4 08/16] KVM: kvm-vfio: User API for IRQ forwarding Message-ID: <20150624155005.GC18569@8bytes.org> References: <1434019912-15423-1-git-send-email-feng.wu@intel.com> <1434019912-15423-9-git-send-email-feng.wu@intel.com> <5579E884.3040500@gmail.com> <1434123695.4927.304.camel@redhat.com> <557B2994.1070900@gmail.com> <1434135815.4927.308.camel@redhat.com> <557EFA7F.9010209@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <557EFA7F.9010209@linaro.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 15, 2015 at 06:17:03PM +0200, Eric Auger wrote: > I guess this discussion also is relevant wrt "[RFC v6 00/16] KVM-VFIO > IRQ forward control" series? Or is that "central registry maintained by > a posted interrupts manager" something more specific to x86? >>From what I understood so far, the feature you implemented for ARM is a bit different from the ones that get introduced to x86. Can you please share some details on how the ARM version works? I am interested in how the GICv2 is configured for IRQ forwarding. The question is whether the forwarding information needs to be updated from KVM and what information about the IRQ KVM needs for this. Joerg