From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [KVM PATCH v10] kvm: add support for irqfd Date: Sun, 14 Jun 2009 16:23:36 +0300 Message-ID: <4A34F9D8.5040306@redhat.com> References: <20090520142234.22285.72274.stgit@dev.haskins.net> <20090614092542.GA4833@redhat.com> <4A34EFD9.7010303@novell.com> <20090614131937.GA10646@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Gregory Haskins , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, davidel@xmailserver.org, mtosatti@redhat.com To: "Michael S. Tsirkin" Return-path: Received: from mx2.redhat.com ([66.187.237.31]:57620 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756045AbZFNNXg (ORCPT ); Sun, 14 Jun 2009 09:23:36 -0400 In-Reply-To: <20090614131937.GA10646@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Michael S. Tsirkin wrote: >> I think Avi asked for this specific feature during review which is the >> reason why its there today. However, I agree that it would probably be >> a good idea to put an upper limit on the number of supported aliases >> that can be registered. Will fix. >> >> Thanks Michael, >> >> -Greg >> >> >> > > > Avi, can you elaborate on why do we want to map multiple fds > to the same gsi? I think it's better to allow a 1:1 mapping > only: if many processes want to trigger interrupts they can > all write to the same fd. > I don't want to assume that the eventfds all come from the same source. That said, we have a workaround, allocate a new gsi with the same routes and attach the excess eventfds there. -- error compiling committee.c: too many arguments to function