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Enabling hardware virtualisation BIOS; anything to beware?

I have an processor option in BIOS:
"Hardware assised virtualization"

It's turned off by default.

Do I get some benefits if I turn it on?, if so what benefits. also for what is it used?

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marked as duplicate by MDMarra, pauska, Sven, Shane Madden, Steven Monday Feb 23 '12 at 17:59

This question was marked as an exact duplicate of an existing question.

Please please please, read the faq. – MDMarra Feb 23 '12 at 17:13
Is there anything in your question not addressed by the Wikipedia article on Hardware Assisted Virtualization or the Wikipedia article on x86 virtualization‌​? – voretaq7 Feb 23 '12 at 17:13
-1 for a general lack of effort on this one, codekiddy. – joeqwerty Feb 23 '12 at 17:28
up vote 0 down vote accepted

Qouted from wikipedia:

"hardware-assisted virtualization is a platform virtualization approach that enables efficient full virtualization using help from hardware capabilities, primarily from the host processors".

Hardware-assisted virtualization reduces the maintenance overhead of paravirtualization as it reduces (ideally, eliminates) the changes needed in the guest operating system.

Hardware-assisted virtualization requires explicit support in the host CPU, which is not available on all x86/x86_64 processors.

Plenty of articles on the net, please do some basic research and please read FAQ.

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