On Fri, Jun 05, 2020 at 09:51:09AM +0200, Jan Beulich wrote: > Both match prior generation processors as far as LBR and C-state MSRs > go (SDM rev 072) as well as applicability of the if_pschange_mc erratum > (recent spec updates). > > Signed-off-by: Jan Beulich <jbeul...@suse.com> > --- > Such changes having been subject to backporting in the past, this > change may want considering for 4.14. > --- > I'm leaving alone spec_ctrl.c, albeit there's a scary looking erratum > for Ice Lake indicating that MDS_NO may wrongly be set. But this is > apparently addressed by ucode update, so we may not need to deal with > it in software. > > --- a/xen/arch/x86/acpi/cpu_idle.c > +++ b/xen/arch/x86/acpi/cpu_idle.c
What about mwait-idle? I guess we pick that from Linux and no patch has been added so far? Thanks, Roger.
