git: kernel - Implement machdep.pmap_nx_enable TUNABLE

[Matthew Dillon]

commit 2620a64fdb105a7b4d26a1e555682db9b74c3015
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Tue Apr 4 10:46:57 2017 -0700

    kernel - Implement machdep.pmap_nx_enable TUNABLE
    
    * Implement machdep.pmap_nx_enable TUNABLE.  You can set this to 0
      in /boot/loader.conf to disable the NX feature.
    
    * Also conditionalize on the cpu feature bit being present.

Summary of changes:
 sys/platform/pc64/x86_64/pmap.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/2620a64fdb105a7b4d26a1e555682db9b74c3015


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