[ILUG] To ubuntu or not to ubuntu

[Pádraig Brady]

Pádraig Brady wrote:
> Justin Mason wrote:
>> Doesn't KVM require hardware support?  I thought it did.  oh good if not!
> 
> Hmm according to to my first link, KVM paravirt
> works on any hardware, but according to the following
> support for older hardware is still to be added:
> http://kerneltrap.org/node/7545#comment-207053
> 
> I'll find out for definite...

OK, Intel/VT or Amd/SVM are still required for KVM para
virtualization (and full virtualization obviously).

I've corrected the wiki I referenced accordingly:
http://virt.kernelnewbies.org/TechComparison

Pádraig.

-------- Original Message --------
Subject: Re: [announce] [patch] KVM paravirtualization for Linux
Date: Thu, 08 Feb 2007 10:12:47 +0200
From: Avi Kivity <avi at qumranet.com>
To: Pádraig Brady <P at draigBrady.com>

Pádraig Brady wrote:
> Ingo Molnar wrote:
>
>> i'm pleased to announce the first release of paravirtualized KVM (Linux
>> under Linux), which includes support for the hardware cr3-cache feature
>> of Intel-VMX CPUs. (which speeds up context switches and TLB flushes)
>>
>
> Does KVM para virtualization require Intel/VT or Amd/SVM support
> like full virtualization does?
>

At present, yes.

> If so is support planned for older hardware in future?
>

Nobody is working on it that I know of.  Patches are gratefully
accepted, though.