From: "Kuppuswamy, Sathyanarayanan" <sathyanarayanan.kuppuswamy@linux.intel.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J Wysocki <rjw@rjwysocki.net>,
Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
Len Brown <lenb@kernel.org>,
Kuppuswamy Sathyanarayanan <knsathya@kernel.org>,
Sean Christopherson <seanjc@google.com>,
Andi Kleen <ak@linux.intel.com>,
the arch/x86 maintainers <x86@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>
Subject: Re: [PATCH v6 1/1] x86/acpi, x86/boot: Add multiprocessor wake-up support
Date: Tue, 8 Jun 2021 16:19:45 -0700 [thread overview]
Message-ID: <b50a5910-4a98-8fdd-fda5-83e9595a2977@linux.intel.com> (raw)
In-Reply-To: <CAJZ5v0htnjWs1e4sSJNx2_S7-bbPtt8V-QiNmkU3UM7RbADGKQ@mail.gmail.com>
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
prev parent reply other threads:[~2021-06-08 23:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-01 14:21 Kuppuswamy Sathyanarayanan
2021-06-01 17:36 ` Rafael J. Wysocki
2021-06-08 23:19 ` Kuppuswamy, Sathyanarayanan [this message]
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