Messages in this thread | | | Subject | Re: [PATCH v6 1/1] x86/acpi, x86/boot: Add multiprocessor wake-up support | From | "Kuppuswamy, Sathyanarayanan" <> | Date | Tue, 8 Jun 2021 16:19:45 -0700 |
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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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