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Message-Id: <20210422192442.706906-1-sathyanarayanan.kuppuswamy@linux.intel.com>
Date: Thu, 22 Apr 2021 12:24:38 -0700
From: Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@...ux.intel.com>
To: Rafael J Wysocki <rjw@...ysocki.net>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H . Peter Anvin" <hpa@...or.com>,
Peter Zijlstra <peterz@...radead.org>
Cc: Len Brown <lenb@...nel.org>, Robert Moore <robert.moore@...el.com>,
Erik Kaneda <erik.kaneda@...el.com>,
linux-acpi@...r.kernel.org, devel@...ica.org,
linux-kernel@...r.kernel.org, x86@...nel.org,
Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@...ux.intel.com>
Subject: [PATCH 0/3] Add multiprocessor wake-up support
Add multiprocessor wakeup support using MADT ACPI table for x86
platforms. It uses mailbox based mechanism to wake up the APs. You
can get more details about the ACPI table and mailbox protocol in
Guest-Host-Communication Interface (GHCI) for Intel Trust Domain
Extensions (Intel TDX) specification document (sec 4.1)
https://software.intel.com/content/dam/develop/external/us/en/documents/intel-tdx-guest-hypervisor-communication-interface.pdf
Kuppuswamy Sathyanarayanan (3):
ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Mailbox Structure
ACPI/table: Print MADT Wake table information
x86/acpi, x86/boot: Add multiprocessor wake-up support
arch/x86/include/asm/apic.h | 3 ++
arch/x86/kernel/acpi/boot.c | 56 +++++++++++++++++++++++++++++++++
arch/x86/kernel/apic/probe_32.c | 8 +++++
arch/x86/kernel/apic/probe_64.c | 8 +++++
drivers/acpi/tables.c | 11 +++++++
include/acpi/actbl2.h | 14 +++++++++
6 files changed, 100 insertions(+)
--
2.25.1
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