svn commit: r344465 - stable/12/sys/x86/include

[Konstantin Belousov]

Author: kib
Date: Fri Feb 22 12:12:01 2019
New Revision: 344465
URL: https://svnweb.freebsd.org/changeset/base/344465

Log:
  MFC r344293:
  Add definition for %cr4 PKRU enable bit.

Modified:
  stable/12/sys/x86/include/specialreg.h
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/x86/include/specialreg.h
==============================================================================
--- stable/12/sys/x86/include/specialreg.h	Fri Feb 22 11:52:40 2019	(r344464)
+++ stable/12/sys/x86/include/specialreg.h	Fri Feb 22 12:12:01 2019	(r344465)
@@ -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.