linux-kernel - Re: [PATCH] KVM: Optimize kvm_arch_vcpu_ioctl

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Message-ID: <9e122372-249d-3d93-99ed-a670fff33936@redhat.com>
Date:   Wed, 15 Apr 2020 16:53:28 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
Cc:     kvm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kvmarm@...ts.cs.columbia.edu, linux-kernel@...r.kernel.org,
        sean.j.christopherson@...el.com, wanpengli@...cent.com,
        jmattson@...gle.com, joro@...tes.org, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, x86@...nel.org, hpa@...or.com,
        maz@...nel.org, james.morse@....com, julien.thierry.kdev@...il.com,
        suzuki.poulose@....com
Subject: Re: [PATCH] KVM: Optimize kvm_arch_vcpu_ioctl_run function

On 15/04/20 11:07, Vitaly Kuznetsov wrote:
> In case this is no longer needed I'd suggest we drop 'kvm_run' parameter
> and extract it from 'struct kvm_vcpu' when needed. This looks like a
> natural add-on to your cleanup patch.

I agree, though I think it should be _instead_ of Tianjia's patch rather
than on top.

Paolo