From 38f3e775e9c242f5430a9c08c11be7577f63a41c Mon Sep 17 00:00:00 2001 From: Babu Moger Date: Thu, 28 May 2020 11:08:23 -0500 Subject: 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 Signed-off-by: Borislav Petkov Reviewed-by: Dave Hansen Link: https://lkml.kernel.org/r/159068199556.26992.17733929401377275140.stgit@naples-babu.amd.com --- Documentation/core-api/protection-keys.rst | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'Documentation') 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 -- cgit v1.2.3