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xen-users
Re: [Xen-devel] Re: [Xen-users] Xen viridian support/features
On Thu, Jul 23, 2009 at 03:11:01PM +0100, Tim Deegan wrote:
> At 18:15 +0100 on 21 Jul (1248200133), Pasi K?rkk?inen wrote:
> > Then again I'm not sure "how much" of viridian stuff Xen currently
> > supports..
>
> At the moment we provide MSR access to APIC registers, and the hypercall
> to yield the CPU when waiting for a spinlock. We looked at a few others
> (e.g. address-space-change hypercall) but found the benefits, if any,
> were negligible.
>
> The most important part of the interface is that we can use it to tell
> Windows not to expect timer interrupt delivery to be as even across all
> CPUs as it would be on bare metal. This gets rid of annoying STOP 0x101
> bluescreens in multi-vcpu Windows from Vista on.
>
Thanks for the reply!
Any plans to write support for paravirtual viridian disk/network backends?
(I assume they have stuff like that implemented in hyper-v).
-- Pasi
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