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Extending the use of RO and NXExtending the use of RO and NXPosted Jan 13, 2011 22:46 UTC (Thu) by PaXTeam (subscriber, #24616)In reply to: Extending the use of RO and NX by nevets Parent article: Extending the use of RO and NX
> The SMP alternatives are performed during boot up before setting of RO takes effect.
they're also performed whenever all but one CPUs are offlined (SMP->UP) or when the second CPU comes online later (UP->SMP). this can be achieved by explicit action for a CPU (via /sys/devices/system/cpu/cpu*/online) or when suspend/reboot/halt occurs.
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