linux-kernel - Re: [PATCH] KVM: nVMX: Remove stale comment from nested_vmx_load

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Date:   Wed, 5 Feb 2020 01:57:43 +0000
From:   linmiaohe <linmiaohe@...wei.com>
To:     Sean Christopherson <sean.j.christopherson@...el.com>
CC:     Paolo Bonzini <pbonzini@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] KVM: nVMX: Remove stale comment from
 nested_vmx_load_cr3()

Sean Christopherson <sean.j.christopherson@...el.com> writes:
> The blurb pertaining to the return value of nested_vmx_load_cr3() no longer matches reality, remove it entirely as the behavior it is attempting to document is quite obvious when reading the actual code.
>
> Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
> - * Returns 0 on success, 1 on failure. Invalid state exit qualification code
> - * is assigned to entry_failure_code on failure.
>  */
> static int nested_vmx_load_cr3(struct kvm_vcpu *vcpu, unsigned long cr3, bool nested_ept,
> 			       u32 *entry_failure_code)

It seems the comment is uncorrect as it return -EINVAL on failure. Thanks.

Reviewed-by: Miaohe Lin <linmiaohe@...wei.com>