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ACPI: x86: Call acpi_boot_table_init() after acpi_table_upgrade()

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commit 6998a8800d73116187aad542391ce3b2dd0f9e30 upstream.

Commit 1a1c130ab757 ("ACPI: tables: x86: Reserve memory occupied by
ACPI tables") attempted to address an issue with reserving the memory
occupied by ACPI tables, but it broke the initrd-based table override
mechanism relied on by multiple users.

To restore the initrd-based ACPI table override functionality, move
the acpi_boot_table_init() invocation in setup_arch() on x86 after
the acpi_table_upgrade() one.

Fixes: 1a1c130ab757 ("ACPI: tables: x86: Reserve memory occupied by ACPI tables")
Reported-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: George Kennedy <george.kennedy@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rafael J. Wysocki 2021-04-13 16:01:00 +02:00 committed by Greg Kroah-Hartman
parent 0125f3cd0f
commit 5e6f537bb9
1 changed files with 2 additions and 3 deletions
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5
arch/x86/kernel/setup.c
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@ -1129,9 +1129,6 @@ void __init setup_arch(char **cmdline_p)
cleanup_highmap();
/* Look for ACPI tables and reserve memory occupied by them. */
acpi_boot_table_init();
memblock_set_current_limit(ISA_END_ADDRESS);
e820__memblock_setup();
@ -1214,6 +1211,8 @@ void __init setup_arch(char **cmdline_p)
reserve_initrd();
acpi_table_upgrade();
/* Look for ACPI tables and reserve memory occupied by them. */
acpi_boot_table_init();
vsmp_init();