On Tue, Dec 10, 2024 at 5:33 PM Sean Christopherson <seanjc@xxxxxxxxxx> wrote: > > When emulating CPUID, retrieve MSR_IA32_TSX_CTRL.TSX_CTRL_CPUID_CLEAR if > and only if RTM and/or HLE feature bits need to be cleared. Getting the > MSR value is unnecessary if neither bit is set, and avoiding the lookup > saves ~80 cycles for vCPUs without RTM or HLE. > > Cc: Jim Mattson <jmattson@xxxxxxxxxx> > Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> I'm not sure why you cc'd me :), but... Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>
