On 10/06/2022 17:00, Andrew Cooper wrote: > https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/best-practices/data-operand-independent-timing-isa-guidance.html > https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/running-average-power-limit-energy-reporting.html > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> > --- > CC: Jan Beulich <jbeul...@suse.com> > CC: Roger Pau Monné <roger....@citrix.com> > CC: Wei Liu <w...@xen.org> > > The SDM also lists > > #define ARCH_CAPS_OVERCLOCKING_STATUS (_AC(1, ULL) << 23) > > but I've got no idea what this is, nor the index of MSR_OVERCLOCKING_STATUS > which is the thing allegedly enumerated by this.
Found it. There's an OVER{C}CLOCKING typo in the SDM. It's MSR 0x195 and new in AlderLake it seems. ~Andrew