Re: [PATCH] x86/kvm/nVMX: read from MSR_IA32_VMX_PROCBASED_CTLS2 only when it is available

[Jim Mattson]

On Thu, Feb 7, 2019 at 2:42 AM Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> wrote:
>
> SDM says MSR_IA32_VMX_PROCBASED_CTLS2 is only available "If
> (CPUID.01H:ECX.[5] && IA32_VMX_PROCBASED_CTLS[63])". It was found that
> some old cpus (namely "Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz (family: 0x6,
> model: 0xf, stepping: 0x6") don't have it. Add the missing check.
>
> Reported-by: Zdenek Kaspar <zkaspar82@xxxxxxxxx>
> Tested-by: Zdenek Kaspar <zkaspar82@xxxxxxxxx>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>