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    SubjectRe: [QUERY] lguest64
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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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