Re: [PATCH 1/6] pkey.7: New page with overview of Memory Protection Keys

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On 06/08/2016 07:34 PM, Dave Hansen wrote:
+To use this feature, the processor must support it, and Linux
+must contain support for the feature on a given processor.
+As of early 2016 only future Intel x86 processors are supported,
+and this hardware supports 16 protection keys in each process.
+However, pkey 0 is used as the default key, so a maximum of 15
+are available for actual application use.

How can we reserve pkeys for use in system libraries?

Thanks,
Florian
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