Re: [PATCH v6 1/1] x86/acpi, x86/boot: Add multiprocessor wake-up support

[Kuppuswamy, Sathyanarayanan]

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@xxxxxxxxx>
> > Signed-off-by: Sean Christopherson<sean.j.christopherson@xxxxxxxxx>
> > Signed-off-by: Kuppuswamy Sathyanarayanan<sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>
> > Reviewed-by: Andi Kleen<ak@xxxxxxxxxxxxxxx>
> All of my comments have been addressed, so
>
> Reviewed-by: Rafael J. Wysocki<rafael.j.wysocki@xxxxxxxxx>

Thomas/Peter Z,

Gentle ping. Any comments?

>

--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer