svn commit: r327544 - stable/11/sys/x86/include
Konstantin Belousov
kib at FreeBSD.org
Thu Jan 4 11:40:23 UTC 2018
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.
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