From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoffer Dall <christoffer.dall@linaro.org>
Subject: Re: [PATCH v2 02/10] arm/arm64: KVM: Move vgic handling to a
 non-preemptible section
Date: Sat, 18 Jul 2015 00:15:27 +0200
Message-ID: <20150717221527.GI14024@cbox>
References: <1436378202-20224-1-git-send-email-marc.zyngier@arm.com>
 <1436378202-20224-3-git-send-email-marc.zyngier@arm.com>
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To: Marc Zyngier <marc.zyngier@arm.com>
Cc: kvm@vger.kernel.org, Andre Przywara <andre.przywara@arm.com>, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org
List-Id: kvmarm@lists.cs.columbia.edu

On Wed, Jul 08, 2015 at 06:56:34PM +0100, Marc Zyngier wrote:
> As we're about to introduce some serious GIC-poking to the vgic code,
> it is important to make sure that we're going to poke the part of
> the GIC that belongs to the CPU we're about to run on (otherwise,
> we'd end up with some unexpected interrupts firing)...
> =

> Introducing a non-preemptible section in kvm_arch_vcpu_ioctl_run
> prevents the problem from occuring.
> =

> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> Reviewed-by: Alex Benn=E9e <alex.bennee@linaro.org>

Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>