Message ID | 20190325220954.29054-16-matthewgarrett@google.com (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show |
Series | None | expand |
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 48eabb6c2d4f..f3b4117cd8f3 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -531,6 +531,11 @@ void __init acpi_table_upgrade(void) if (table_nr == 0) return; + if (kernel_is_locked_down("ACPI table override")) { + pr_notice("kernel is locked down, ignoring table override\n"); + return; + } + acpi_tables_addr = memblock_find_in_range(0, ACPI_TABLE_UPGRADE_MAX_PHYS, all_tables_size, PAGE_SIZE);