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Subject: Re: [PATCH v5 19/23] KVM: arm64: GICv4.1: Allow SGIs to switch
 between HW and SW interrupts
To:     Marc Zyngier <maz@kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <kvmarm@lists.cs.columbia.edu>, <kvm@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>
CC:     Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Jason Cooper <jason@lakedaemon.net>,
        Robert Richter <rrichter@marvell.com>,
        "Thomas Gleixner" <tglx@linutronix.de>,
        Eric Auger <eric.auger@redhat.com>,
        "James Morse" <james.morse@arm.com>,
        Julien Thierry <julien.thierry.kdev@gmail.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>
References: <20200304203330.4967-1-maz@kernel.org>
 <20200304203330.4967-20-maz@kernel.org>
From:   Zenghui Yu <yuzenghui@huawei.com>
Message-ID: <10847ac8-af94-0a83-73ed-24039840ca74@huawei.com>
Date:   Fri, 20 Mar 2020 12:22:15 +0800
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Hi Marc,

On 2020/3/5 4:33, Marc Zyngier wrote:
> In order to let a guest buy in the new, active-less SGIs, we
> need to be able to switch between the two modes.
> 
> Handle this by stopping all guest activity, transfer the state
> from one mode to the other, and resume the guest. Nothing calls
> this code so far, but a later patch will plug it into the MMIO
> emulation.
> 
> Signed-off-by: Marc Zyngier <maz@kernel.org>

Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>


Thanks