From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoffer Dall Subject: Re: [PATCH v3 0/2] KVM: ARM: Enable vtimers with user space gic Date: Fri, 16 Sep 2016 14:30:39 +0200 Message-ID: <20160916123039.GB14140@cbox> References: <1474007187-18673-1-git-send-email-agraf@suse.de> <57DBC782.7080305@arm.com> <7beb406b-6194-8451-2d92-9a4394ef91dd@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Marc Zyngier , Alexander Graf , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org To: Paolo Bonzini Return-path: Received: from mail-wm0-f43.google.com ([74.125.82.43]:37712 "EHLO mail-wm0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757858AbcIPMal (ORCPT ); Fri, 16 Sep 2016 08:30:41 -0400 Received: by mail-wm0-f43.google.com with SMTP id k186so38721673wmd.0 for ; Fri, 16 Sep 2016 05:30:41 -0700 (PDT) Content-Disposition: inline In-Reply-To: <7beb406b-6194-8451-2d92-9a4394ef91dd@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Fri, Sep 16, 2016 at 02:18:45PM +0200, Paolo Bonzini wrote: > > > On 16/09/2016 12:20, Marc Zyngier wrote: > > > This patch set allows user space to receive vtimer events as well as mask > > > them, so that we can handle all vtimer related interrupt injection from user > > > space, enabling us to use architected timer with user space gic emulation. > > > > I have already voiced my concerns in the past, including face to face, > > and I'm going to repeat it: I not keen at all on adding a new userspace > > interface that is going to bitrot extremely quickly. > > You don't have automated tests set up? It's not going to bitrot if you > test it, either with kvm-unit-tests or just by smoke-testing Linux. > It's _for_ the raspi, but it's not limited to it. > Our automated testing situation is not great, no. Something we're looking at, but have resource problems with. -Christoffer