Re: [PATCH v6 09/12] Inject asynchronous page fault into a PV guestif page is swapped out.

[Rik van Riel]

On 10/04/2010 11:56 AM, Gleb Natapov wrote:
> Send async page fault to a PV guest if it accesses swapped out memory.
> Guest will choose another task to run upon receiving the fault.
>
> Allow async page fault injection only when guest is in user mode since
> otherwise guest may be in non-sleepable context and will not be able
> to reschedule.
>
> Vcpu will be halted if guest will fault on the same page again or if
> vcpu executes kernel code.
>
> Signed-off-by: Gleb Natapov<gleb@xxxxxxxxxx>

Acked-by: Rik van Riel <riel@xxxxxxxxxx>

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