linux-kernel - Re: [PATCH 2/4] KVM: nVMX: fix checks on CR{0,4} during virtual VMX operation

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Message-ID: <CALzav=fTrT1QTevUUx_+jemdEnYTen0BVjfpKHf8YepQuMs7Eg@mail.gmail.com>
Date:   Mon, 28 Nov 2016 11:51:09 -0800
From:   David Matlack <dmatlack@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     kvm list <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jim Mattson <jmattson@...gle.com>,
        Radim Krčmář <rkrcmar@...hat.com>
Subject: Re: [PATCH 2/4] KVM: nVMX: fix checks on CR{0,4} during virtual VMX operation

On Wed, Nov 23, 2016 at 3:31 AM, Paolo Bonzini <pbonzini@...hat.com> wrote:
> On 23/11/2016 02:14, David Matlack wrote:
>> +static bool fixed_bits_valid(u64 val, u64 fixed0, u64 fixed1)
>> +{
>> +     return ((val & fixed0) == fixed0) && ((~val & ~fixed1) == ~fixed1);
>> +}
>> +
>
> This is the same as vmx_control_verify (except with u64 arguments
> instead of u32).

Good point. I'll remove this duplication in v3.