to apply, replace system.kext in /System/Library/Extensions

repair permissions:

sudo chown -R root:wheel /System/Library/Extensions/System.kext
sudo chmod -R 755 /System/Library/Extensions/System.kext

replace mach_kernel with new one in / (rename to mach_kernel if its not already)- you may need onyx to show hidden files.
mach kernal goes in /

repair permissions

sudo chown -R root:wheel /mach_kernel
sudo chmod -R 755 /mach_kernel

reboot with -v -f