Jim Mattson <jmattson@xxxxxxxxxx> writes: > On Wed, Jun 29, 2022 at 8:07 AM Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> wrote: >> >> vmcs_config has cased host MSR_IA32_VMX_MISC value, use it for setting >> up nested MSR_IA32_VMX_MISC in nested_vmx_setup_ctls_msrs() and avoid the >> redundant rdmsr(). >> >> No (real) functional change intended. > > Just imaginary functional change? :-) > Well, yea) The assumption here is that MSR_IA32_VMX_MISC's value doesn't change underneath KVM, caching doesn't change anything then. It is, of course, possible that when KVM runs as a nested hypervisor on top of something else, it will observe different values. I truly hope this is purely imaginary :-) >> >> Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> > Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx> > Thanks! -- Vitaly
