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authorBabu Moger <babu.moger@amd.com>2020-05-28 11:08:23 -0500
committerBorislav Petkov <bp@suse.de>2020-05-28 18:27:40 +0200
commit38f3e775e9c242f5430a9c08c11be7577f63a41c (patch)
tree678b94f38307ba0dfe7037e2346c6f899f39ec8e /Documentation/core-api
parentd6ee6529436a15a0541aff6e1697989ee7dc2c44 (diff)
x86/Kconfig: Update config and kernel doc for MPK feature on AMD
AMD's next generation of EPYC processors support the MPK (Memory Protection Keys) feature. Update the dependency and documentation. Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com> Link: https://lkml.kernel.org/r/159068199556.26992.17733929401377275140.stgit@naples-babu.amd.com
Diffstat (limited to 'Documentation/core-api')
-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