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path: root/drivers/acpi/acpica/tbxface.c
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Diffstat (limited to 'drivers/acpi/acpica/tbxface.c')
-rw-r--r--drivers/acpi/acpica/tbxface.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c
index 4ab6b9cd0aec..d5adb7ac4684 100644
--- a/drivers/acpi/acpica/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -167,6 +167,7 @@ ACPI_EXPORT_SYMBOL_INIT(acpi_initialize_tables)
acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void)
{
acpi_status status;
+ u32 i;
ACPI_FUNCTION_TRACE(acpi_reallocate_root_table);
@@ -178,6 +179,21 @@ acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void)
return_ACPI_STATUS(AE_SUPPORT);
}
+ /*
+ * Ensure OS early boot logic, which is required by some hosts. If the
+ * table state is reported to be wrong, developers should fix the
+ * issue by invoking acpi_put_table() for the reported table during the
+ * early stage.
+ */
+ for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
+ if (acpi_gbl_root_table_list.tables[i].pointer) {
+ ACPI_ERROR((AE_INFO,
+ "Table [%4.4s] is not invalidated during early boot stage",
+ acpi_gbl_root_table_list.tables[i].
+ signature.ascii));
+ }
+ }
+
acpi_gbl_root_table_list.flags |= ACPI_ROOT_ALLOW_RESIZE;
status = acpi_tb_resize_root_table_list();