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Date:   Tue, 18 Jan 2022 16:05:13 +0000
From:   "Russell King (Oracle)" <linux@armlinux.org.uk>
To:     Marc Zyngier <maz@kernel.org>
Cc:     linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu,
        kvm@vger.kernel.org, Andre Przywara <andre.przywara@arm.com>,
        Christoffer Dall <christoffer.dall@arm.com>,
        Jintack Lim <jintack@cs.columbia.edu>,
        Haibo Xu <haibo.xu@linaro.org>,
        Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>,
        James Morse <james.morse@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Alexandru Elisei <alexandru.elisei@arm.com>,
        kernel-team@android.com
Subject: Re: [PATCH v5 16/69] KVM: arm64: nv: Handle trapped ERET from
 virtual EL2
Message-ID: <YeblObUkkBeWy079@shell.armlinux.org.uk>
References: <20211129200150.351436-1-maz@kernel.org>
 <20211129200150.351436-17-maz@kernel.org>
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On Mon, Nov 29, 2021 at 08:00:57PM +0000, Marc Zyngier wrote:
> From: Christoffer Dall <christoffer.dall@arm.com>
> 
> When a guest hypervisor running virtual EL2 in EL1 executes an ERET
> instruction, we will have set HCR_EL2.NV which traps ERET to EL2, so
> that we can emulate the exception return in software.
> 
> Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
> Signed-off-by: Marc Zyngier <maz@kernel.org>

Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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