linux-kernel - Re: [PATCH v4 6/7] x86: KVM: svm: eliminate weird goto from vmrun

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Date:   Tue, 13 Aug 2019 11:11:14 -0700
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Joerg Roedel <joro@...tes.org>,
        Jim Mattson <jmattson@...gle.com>
Subject: Re: [PATCH v4 6/7] x86: KVM: svm: eliminate weird goto from
 vmrun_interception()

On Tue, Aug 13, 2019 at 03:53:34PM +0200, Vitaly Kuznetsov wrote:
> Regardless of whether or not nested_svm_vmrun_msrpm() fails, we return 1
> from vmrun_interception() so there's no point in doing goto. Also,
> nested_svm_vmrun_msrpm() call can be made from nested_svm_vmrun() where
> other nested launch issues are handled.
> 
> nested_svm_vmrun() returns a bool, however, its result is ignored in
> vmrun_interception() as we always return '1'. As a preparatory change
> to putting kvm_skip_emulated_instruction() inside nested_svm_vmrun()
> make nested_svm_vmrun() return an int (always '1' for now).
> 
> Suggested-by: Sean Christopherson <sean.j.christopherson@...el.com>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
> ---

Reviewed-by: Sean Christopherson <sean.j.christopherson@...el.com>