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-rw-r--r--Documentation/arm64/acpi_object_usage.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/arm64/acpi_object_usage.rst b/Documentation/arm64/acpi_object_usage.rst
index 0609da73970b..484ef9676653 100644
--- a/Documentation/arm64/acpi_object_usage.rst
+++ b/Documentation/arm64/acpi_object_usage.rst
@@ -163,7 +163,7 @@ FPDT Section 5.2.23 (signature == "FPDT")
**Firmware Performance Data Table**
- Optional, not currently supported.
+ Optional, useful for boot performance profiling.
GTDT Section 5.2.24 (signature == "GTDT")