Patch "ACPICA: Add support for MADT online enabled bit" has been added to the 5.4-stable tree

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This is a note to let you know that I've just added the patch titled

    ACPICA: Add support for MADT online enabled bit

to the 5.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     acpica-add-support-for-madt-online-enabled-bit.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit dc6f0051795e2d74943cbdd5000d4c07a0601374
Author: Mario Limonciello <mario.limonciello@xxxxxxx>
Date:   Wed Sep 8 16:41:45 2021 -0500

    ACPICA: Add support for MADT online enabled bit
    
    [ Upstream commit 435a8dc8d9b9d91e625901fea5b5695b9b976d84 ]
    
    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@xxxxxxx>
    Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
    Stable-dep-of: 128b0c9781c9 ("x86/i8259: Skip probing when ACPI/MADT advertises PCAT compatibility")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index e45ced27f4c30..d385c3ea1396e 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -716,6 +716,7 @@ struct acpi_madt_generic_translator {
 /* 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) */
 



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