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| author | Babu Moger <babu.moger@amd.com> | 2020-05-28 11:08:23 -0500 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-05-28 18:27:40 +0200 |
| commit | 38f3e775e9c242f5430a9c08c11be7577f63a41c (patch) | |
| tree | 678b94f38307ba0dfe7037e2346c6f899f39ec8e /Documentation/core-api/protection-keys.rst | |
| parent | d6ee6529436a15a0541aff6e1697989ee7dc2c44 (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/protection-keys.rst')
| -rw-r--r-- | Documentation/core-api/protection-keys.rst | 5 |
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 |