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Date: Thu, 7 Feb 2019 13:17:26 -0800 From: Jim Mattson <jmattson@...gle.com> To: Vitaly Kuznetsov <vkuznets@...hat.com> Cc: kvm list <kvm@...r.kernel.org>, Paolo Bonzini <pbonzini@...hat.com>, Radim Krčmář <rkrcmar@...hat.com>, Sean Christopherson <sean.j.christopherson@...el.com>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] x86/kvm/nVMX: read from MSR_IA32_VMX_PROCBASED_CTLS2 only when it is available On Thu, Feb 7, 2019 at 2:42 AM Vitaly Kuznetsov <vkuznets@...hat.com> 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@...il.com> > Tested-by: Zdenek Kaspar <zkaspar82@...il.com> > Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com> Reviewed-by: Jim Mattson <jmattson@...gle.com>
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