Messages in this thread | | | From | Jim Mattson <> | Date | Tue, 12 Feb 2019 10:00:59 -0800 | Subject | Re: [PATCH] x86/kvm/nVMX: read from MSR_IA32_VMX_PROCBASED_CTLS2 only when it is available |
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On Tue, Feb 12, 2019 at 6:16 AM Paolo Bonzini <pbonzini@redhat.com> wrote: > > On 07/02/19 22:17, Jim Mattson 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@gmail.com> > >> Tested-by: Zdenek Kaspar <zkaspar82@gmail.com> > >> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> > > > > Reviewed-by: Jim Mattson <jmattson@google.com> > > Queued, thanks. > > Paolo
Alternatively, rdmsr could be changed to rdmsr_safe.
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