x86, cpu: Add SMEP CPU feature in CR4
authorFenghua Yu <fenghua.yu@intel.com>
Wed, 18 May 2011 01:44:27 +0000 (18:44 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Wed, 18 May 2011 04:06:42 +0000 (21:06 -0700)
Add support for newly documented SMEP (Supervisor Mode Execution Protection)
CPU feature in CR4.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
LKML-Reference: <1305683069-25394-3-git-send-email-fenghua.yu@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

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