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From: Mario Limonciello <mario.limonciello@amd.com>
To: "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>,
	Robert Moore <robert.moore@intel.com>,
	Erik Kaneda <erik.kaneda@intel.com>, Len Brown <lenb@kernel.org>,
	"open list:ACPI COMPONENT ARCHITECTURE (ACPICA)" 
	<linux-acpi@vger.kernel.org>,
	"open list:ACPI COMPONENT ARCHITECTURE (ACPICA)"
	<devel@acpica.org>, open list <linux-kernel@vger.kernel.org>
Subject: [PATCH v3 1/2] ACPICA: Add support for MADT online enabled bit
Date: Wed, 8 Sep 2021 16:41:45 -0500	[thread overview]
Message-ID: <20210908214146.8640-1-mario.limonciello@amd.com> (raw)

The online enabled bit on newer ACPI implmentations will indicate
whether the CPU is hotpluggable.

Link: http://github.com/acpica/acpica/pull/708/
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
---
 include/acpi/actbl2.h | 1 +
 1 file changed, 1 insertion(+)

Changes from v2:
 * Split into a separate patch from the acpica pull request

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 2069ac38a4e2..fae45e383987 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -808,6 +808,7 @@ struct acpi_madt_multiproc_wakeup_mailbox {
 /* MADT Local APIC flags */
 
 #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
+#define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
 
 /* MADT MPS INTI flags (inti_flags) */
 
-- 
2.25.1


             reply	other threads:[~2021-09-08 21:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-08 21:41 Mario Limonciello [this message]
2021-09-08 21:41 ` [PATCH v3 2/2] x86/acpi: Don't add CPUs that are not online capable Mario Limonciello
2021-09-13 17:23   ` Rafael J. Wysocki
2021-09-13 18:30     ` Limonciello, Mario

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