svn commit: r327544 - stable/11/sys/x86/include

[Konstantin Belousov]

Author: kib
Date: Thu Jan  4 11:40:22 2018
New Revision: 327544
URL: https://svnweb.freebsd.org/changeset/base/327544

Log:
  MFC r327469:
  Add CR4.SMAP control bit.

Modified:
  stable/11/sys/x86/include/specialreg.h
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/x86/include/specialreg.h
==============================================================================
--- stable/11/sys/x86/include/specialreg.h	Thu Jan  4 11:38:42 2018	(r327543)
+++ stable/11/sys/x86/include/specialreg.h	Thu Jan  4 11:40:22 2018	(r327544)
@@ -74,6 +74,7 @@
 #define	CR4_PCIDE 0x00020000	/* Enable Context ID */
 #define	CR4_XSAVE 0x00040000	/* XSETBV/XGETBV */
 #define	CR4_SMEP 0x00100000	/* Supervisor-Mode Execution Prevention */
+#define	CR4_SMAP 0x00200000	/* Supervisor-Mode Access Prevention */
 
 /*
  * Bits in AMD64 special registers.  EFER is 64 bits wide.