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x86, smap: Turn on Supervisor Mode Access Prevention
authorH. Peter Anvin <hpa@linux.intel.com>
Fri, 21 Sep 2012 19:43:13 +0000 (12:43 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Fri, 21 Sep 2012 19:45:27 +0000 (12:45 -0700)
If Supervisor Mode Access Prevention is available and not disabled by
the user, turn it on.  Also fix the expansion of SMEP (Supervisor Mode
Execution Prevention.)

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-10-git-send-email-hpa@linux.intel.com

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