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SubjectRe: [PATCH v6 1/1] x86/acpi, x86/boot: Add multiprocessor wake-up support
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On 6/1/21 10:36 AM, Rafael J. Wysocki wrote:
>> As per ACPI specification r6.4, sec 5.2.12.19, a new sub
>> structure – multiprocessor wake-up structure - is added to the
>> ACPI Multiple APIC Description Table (MADT) to describe the
>> information of the mailbox. If a platform firmware produces the
>> multiprocessor wake-up structure, then OS may use this new
>> mailbox-based mechanism to wake up the APs.
>>
>> Add ACPI MADT wake table parsing support for x86 platform and if
>> MADT wake table is present, update apic->wakeup_secondary_cpu with
>> new API which uses MADT wake mailbox to wake-up CPU.
>>
>> Co-developed-by: Sean Christopherson<sean.j.christopherson@intel.com>
>> Signed-off-by: Sean Christopherson<sean.j.christopherson@intel.com>
>> Signed-off-by: Kuppuswamy Sathyanarayanan<sathyanarayanan.kuppuswamy@linux.intel.com>
>> Reviewed-by: Andi Kleen<ak@linux.intel.com>
> All of my comments have been addressed, so
>
> Reviewed-by: Rafael J. Wysocki<rafael.j.wysocki@intel.com>

Thomas/Peter Z,

Gentle ping. Any comments?

>

--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer

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