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-rw-r--r--Documentation/core-api/protection-keys.rst5
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/core-api/protection-keys.rst b/Documentation/core-api/protection-keys.rst
index 49d9833af871..ec575e72d0b2 100644
--- a/Documentation/core-api/protection-keys.rst
+++ b/Documentation/core-api/protection-keys.rst
@@ -5,8 +5,9 @@ Memory Protection Keys
======================
Memory Protection Keys for Userspace (PKU aka PKEYs) is a feature
-which is found on Intel's Skylake "Scalable Processor" Server CPUs.
-It will be avalable in future non-server parts.
+which is found on Intel's Skylake (and later) "Scalable Processor"
+Server CPUs. It will be available in future non-server Intel parts
+and future AMD processors.
For anyone wishing to test or use this feature, it is available in
Amazon's EC2 C5 instances and is known to work there using an Ubuntu