Re: [PATCH] KVM: SVM: Keep intercepting task switching with NPT enabled

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On 2011-11-01 16:30, Roedel, Joerg wrote:
> On Tue, Nov 01, 2011 at 09:39:49AM -0400, Jan Kiszka wrote:
>>> So SVM does not guarantee that an intercept during a task-switch can be
>>> restarted.
>>
>> Not a bug but still a deficit as it makes hardware-assisted task
>> switching practically useless, no?
> 
> Not entirely. For hypervisors that can guarantee that there will be no
> intercept (NPT pre-mapped, no exceptions intercepted) it will still
> work.

Yes, but that only covers the niche of simple static ones (partitioning
hypervisors).

Jan

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