Re: [Xen-devel] TPR write optimization (even improves 2003 sp2)

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 08/01/2009 03:53, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:

> One (big?) hiccup... how do I make sure that I am accessing the vlapic
> structure for the correct CPU? My current idea of vlapic[current_cpu] is
> flawed because a thread switch could occur between getting the address
> of the vlapic structure for the current cpu and writing a value to the
> mapped register.
> 
> Is it possible to have per-cpu mapping?

No.

> Does disabling interrupts via cli cause a VMEXIT?

No.

 K.



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