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-rw-r--r--Documentation/admin-guide/sysctl/kernel.rst11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index 0e486f41185e..d359bcfadd39 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -905,6 +905,17 @@ enabled, otherwise writing to this file will return ``-EBUSY``.
The default value is 8.
+perf_user_access (arm64 only)
+=================================
+
+Controls user space access for reading perf event counters. When set to 1,
+user space can read performance monitor counter registers directly.
+
+The default value is 0 (access disabled).
+
+See Documentation/arm64/perf.rst for more information.
+
+
pid_max
=======