From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 5671E1A006F for ; Sat, 28 Feb 2015 00:06:23 +1100 (AEDT) Message-ID: <54F06BBB.9050709@redhat.com> Date: Fri, 27 Feb 2015 14:06:03 +0100 From: Paolo Bonzini MIME-Version: 1.0 To: Scott Wood , Sebastian Andrzej Siewior Subject: Re: [PATCH 0/2] powerpc/kvm: Enable running guests on RT Linux References: <1424251955-308-1-git-send-email-bogdan.purcareata@freescale.com> <54E73A6C.9080500@suse.de> <54E740E7.5090806@redhat.com> <54E74A8C.30802@linutronix.de> <1424734051.4698.17.camel@freescale.com> <54EF196E.4090805@redhat.com> <54EF2025.80404@linutronix.de> <1424999159.4698.78.camel@freescale.com> In-Reply-To: <1424999159.4698.78.camel@freescale.com> Content-Type: text/plain; charset=utf-8 Cc: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Graf , Bogdan Purcareata , mihai.caraman@freescale.com, Thomas Gleixner , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 27/02/2015 02:05, Scott Wood wrote: > Obviously leaving it in a buggy state is not what we want -- but I lean > towards a short term "fix" of putting "depends on !PREEMPT_RT" on the > in-kernel MPIC emulation (which is itself just an optimization -- you > can still use KVM without it). This way people don't enable it with RT > without being aware of the issue, and there's more of an incentive to > fix it properly. That would indeed work for me. Paolo