x86, pageattr: Make set_memory_(x|nx) aware of NX support
Make set_memory_x/set_memory_nx directly aware of if NX is supported in the system or not, rather than requiring that every caller assesses that support independently. Signed-off-by:H. Peter Anvin <hpa@zytor.com> Cc: Huang Ying <ying.huang@intel.com> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Tejun Heo <tj@kernel.org> Cc: Tim Starling <tstarling@wikimedia.org> Cc: Hannes Eder <hannes@hanneseder.net> LKML-Reference: <1258154897-6770-4-git-send-email-hpa@zytor.com> Acked-by:
Kees Cook <kees.cook@canonical.com>
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a7c4c0d9
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