linux-kernel - Re: [PATCH v2] KVM: arm64: pass vcpu esr_el2 and far

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Message-ID: <4f79970c-5341-f8ef-56bc-e0a9cf227363@huawei.com>
Date:   Tue, 8 Aug 2017 07:53:36 +0800
From:   gengdongjiu <gengdongjiu@...wei.com>
To:     Marc Zyngier <marc.zyngier@....com>
CC:     <christoffer.dall@...aro.org>, <pbonzini@...hat.com>,
        <rkrcmar@...hat.com>, <catalin.marinas@....com>,
        <will.deacon@....com>, <james.morse@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <kvmarm@...ts.cs.columbia.edu>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] KVM: arm64: pass vcpu esr_el2 and far_el2 sysre to
 user space

Marc,

On 2017/8/8 3:07, Marc Zyngier wrote:
> So if you want that information, extract it, expose what is required,
> strictly what is required, and only when it is required.
> 
> In the meantime, I'm NAKing this patch, and any patch that will expose
> _EL2 registers outside of nested virtualization.
Thanks for your comments, I will follow your suggestion.