Messages in this thread | | | Date | Fri, 19 Jul 2013 22:36:33 +0200 | Subject | Re: [QUERY] lguest64 | From | richard -rw- weinberger <> |
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On Fri, Jul 19, 2013 at 8:46 PM, H. Peter Anvin <hpa@zytor.com> wrote: > On 07/19/2013 10:42 AM, Ramkumar Ramachandra wrote: >> H. Peter Anvin wrote: >>> We want to reduce pvops and pvops users, not increase them... >> >> I see. So the future is true virtualization which exposes the >> underlying hardware, like KVM? Why do bare-metal virtualizers like >> Xen employ paravirtualization? Also, where does UML stand?
UML is a nice thingy because it is Linux ported to itself, but it has limitations. Mostly it's speed (pagefaults and system calls are really slow) and it supports only x86/x86_64.
I use UML on systems where KVM is not available.
-- Thanks, //richard
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