Re: KVM and Xen

On Sat, 30 Dec 2006 17:04:52 -0800
"Roopnarine, Peter" <proopnarine@xxxxxxxxxxxxxx> wrote:

I think that the question might actually be in reference to the new kernel
addition (Kernel Virtual Manager? I think). Apparently virtualization
capabilities will be built into the kernel. That's about all that I know, but
it sounds exciting.

Yep. KVM gets rid of the "hypervisor" that Xen has, just making the
hypervisor-like functions part of the Dom0 kernel (though no doubt
KVM will have it's own jargon, so it won't call it Dom0). However,
KVM (in current incarnation, anyway) doesn't support Xen's
"paravirtualization" concept - KVM will only work on newer computers
with hardware virtualization support (which is probably an OK restriction
since by the time the kernels with KVM support have stabalized, all new
computers will have the new instructions anyway).

The big advantage I see to KVM is that nothing has to be "special"
about the Dom0 kernel - all the regular old device drivers work fine,
all the posts from people having problems with video drivers in the
Xen kernel disappear, power management works like always, so your
laptop with the Windows guest doesn't drain the battery
in 10 minutes, etc.

The biggest disadvantage will be easy for anyone with an older
computer to spot :-).

The second biggest disadvantage is the totally stupid acronym they
have adopted for it, making it virtually impossible to find any information
in a google search since all you get are hits on hardware switches.

--
fedora-list mailing list
fedora-list@xxxxxxxxxx
To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list

Relevant Pages

  • RE: KVM FYI
    ... Belkin KVM! ... It is *not* a good attitude that old hardware will no longer be ... > This is more of a kernel issue. ...
    (Fedora)
  • Re: KVM and Xen
    ... > addition (Kernel Virtual Manager? ... KVM will have it's own jargon, so it won't call it Dom0). ... with hardware virtualization support (which is probably an OK restriction ... computers will have the new instructions anyway). ...
    (Fedora)
  • Re: Mouse an 2.6 Kernel Problems: Solved
    ... I am running a stable box with a 2.6.12 kernel and a newly upgraded testing box with both a 2.4.14 and a 2.6.12 kernel. ... If I scrolled up in KMail in a list window, the item under the mouse was selected as soon as the scroll wheel moved up. ... Nobody had a solution and I searched quite a bit until I found something not too reliable suggesting the KVM. ... I've been using Linksys 4 port KVM for several years -- so much so that I forget I have it -- even when I switch from one computer to another, I tend to take it for granted because the hotkeys worked well and I hadn't touched the KVM in several years. ...
    (Debian-User)
  • kvm causing memory corruption? ~2.6.25-rc6
    ... I was getting some kvm userspace crashes trying to run a Windows guest. ... the kvm kernel code that shipped with that kernel. ... I usually get an oops. ... mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm ...
    (Linux-Kernel)
  • KVMs and the 2.6 Kernel
    ... I've posted before about some mouse problems with the 2.6 kernel. ... Right now I'm using a 4 port KVM ... I am hoping to move to an 8 port KVM. ... To UNSUBSCRIBE, email to debian-user-REQUEST@xxxxxxxxxxxxxxxx ...
    (Debian-User)