On Mon, Jun 24, 2019 at 11:38:06AM -0700, Andi Kleen wrote: > > Tom, plz correctme if I'm wrongm but AFAIK because the LBR tracing is > > enabled during the boot the lbr_from/lbr_to registers will fail the > > check_msr 'val_new != val_tmp' check > > Ok this should be handleable. It should be enough to check > the ctrl register, if that working likely we don't need > to check the data registers which might be changing.
if the control register check is enough, we should be ok then, I'll send new version thanks, jirka
