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-rw-r--r--Documentation/arm64/sme.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/arm64/sme.rst b/Documentation/arm64/sme.rst
index 16d2db4c2e2e..36b08a105dd1 100644
--- a/Documentation/arm64/sme.rst
+++ b/Documentation/arm64/sme.rst
@@ -111,6 +111,9 @@ be zeroed.
* Signal handlers are invoked with streaming mode and ZA disabled.
+* A new signal frame record TPIDR2_MAGIC is added formatted as a struct
+ tpidr2_context to allow access to TPIDR2_EL0 from signal handlers.
+
* A new signal frame record za_context encodes the ZA register contents on
signal delivery. [1]