From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH v5 2/2] KVM: Make KVM_CAP_IRQFD dependent on KVM_CAP_IRQCHIP Date: Tue, 1 Dec 2015 17:00:26 +0100 Message-ID: <565DC41A.2000703@redhat.com> References: <57888eef1c5c21337ddad384250bc5f55829ac67.1448874023.git.p.fedin@samsung.com> <20151130122627.12ceb244.cornelia.huck@de.ibm.com> <017101d12b66$2c8cf970$85a6ec50$@samsung.com> <20151130131331.78d98df5.cornelia.huck@de.ibm.com> <017801d12b6c$6a7c2c00$3f748400$@samsung.com> <20151130153807.1a2668e5.cornelia.huck@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, "'Marc Zyngier'" , "'Christoffer Dall'" , "'Gleb Natapov'" To: Cornelia Huck , Pavel Fedin Return-path: Received: from mx1.redhat.com ([209.132.183.28]:39046 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755027AbbLAQAb (ORCPT ); Tue, 1 Dec 2015 11:00:31 -0500 In-Reply-To: <20151130153807.1a2668e5.cornelia.huck@de.ibm.com> Sender: kvm-owner@vger.kernel.org List-ID: On 30/11/2015 15:38, Cornelia Huck wrote: > It obviously > requires an irqchip; but if you need some configuration/enablement > beforehand, you'll get different values depending on when you retrieve > the cap. So does KVM_CAP_IRQFD mean "irqfds are available in principle" > or "everything has been setup for usage of irqfds"? I'd assume the > former. It should be the former, yes. Paolo