linux-kernel - Re: [PATCH 0/2] powerpc/kvm: Enable running guests on RT Linux

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Message-ID: <54F06BBB.9050709@redhat.com>
Date:	Fri, 27 Feb 2015 14:06:03 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Scott Wood <scottwood@...escale.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC:	Alexander Graf <agraf@...e.de>,
	Bogdan Purcareata <bogdan.purcareata@...escale.com>,
	linuxppc-dev@...ts.ozlabs.org, linux-rt-users@...r.kernel.org,
	linux-kernel@...r.kernel.org, mihai.caraman@...escale.com,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 0/2] powerpc/kvm: Enable running guests on RT Linux



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
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