On 26.07.2022 17:28, Edwin Török wrote: > The latest Intel manual now says the X2APIC reserved range is only > 0x800 to 0x8ff (NOT 0xbff). > This changed between SDM 68 (Nov 2018) and SDM 69 (Jan 2019). > The AMD manual documents 0x800-0x8ff too. > > There are non-X2APIC MSRs in the 0x900-0xbff range now: > e.g. 0x981 is IA32_TME_CAPABILITY, an architectural MSR. > > The new MSR in this range appears to have been introduced in Icelake, > so this commit should be backported to Xen versions supporting Icelake. > > Backport: 4.13+
FAOD nevertheless it'll be applied only back to 4.15. > Signed-off-by: Edwin Török <edvin.to...@citrix.com> Reviewed-by: Jan Beulich <jbeul...@suse.com>