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D18893.id54077.diff
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Index: head/sys/x86/include/specialreg.h
===================================================================
--- head/sys/x86/include/specialreg.h
+++ head/sys/x86/include/specialreg.h
@@ -77,6 +77,7 @@
#define CR4_XSAVE 0x00040000 /* XSETBV/XGETBV */
#define CR4_SMEP 0x00100000 /* Supervisor-Mode Execution Prevention */
#define CR4_SMAP 0x00200000 /* Supervisor-Mode Access Prevention */
+#define CR4_PKE 0x00400000 /* Protection Keys Enable */
/*
* Bits in AMD64 special registers. EFER is 64 bits wide.
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D18893.id54077.diff (517 B)
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D18893: Add support for Intel userspace protection keys feature on Skylake Xeons.
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