[PATCH v2] x86/msr: fix X2APIC_LAST

2022-07-26 Thread Edwin Török
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 archi

Re: [PATCH v2] x86/msr: fix X2APIC_LAST

2022-07-26 Thread Jan Beulich
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 ra

Re: [PATCH v2] x86/msr: fix X2APIC_LAST

2022-07-26 Thread Jan Beulich
On 26.07.2022 17:42, Andrew Cooper wrote: > On 26/07/2022 16:33, Jan Beulich wrote: >> 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). >>>