x86, smap: Add CR4 bit for SMAP

Add X86_CR4_SMAP to <asm/processor-flags.h>.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-4-git-send-email-hpa@linux.intel.com

diff --git a/arch/x86/include/asm/processor-flags.h b/arch/x86/include/asm/processor-flags.h
index aea1d1d848c77b24303dc33c79ad1493d988ee62..680cf09ed1004e1076bbad951e546bdd5e3be48f 100644 (file)
--- a/arch/x86/include/asm/processor-flags.h
+++ b/arch/x86/include/asm/processor-flags.h
@@ -65,6 +65,7 @@
 #define X86_CR4_PCIDE  0x00020000 /* enable PCID support */
 #define X86_CR4_OSXSAVE 0x00040000 /* enable xsave and xrestore */
 #define X86_CR4_SMEP   0x00100000 /* enable SMEP support */
+#define X86_CR4_SMAP   0x00200000 /* enable SMAP support */
 
 /*
  * x86-64 Task Priority Register, CR8