Re: [PATCH 03/11] Handle asynchronous page fault in a PV guest.

From: Gleb Natapov
Date: Tue Nov 03 2009 - 09:25:53 EST

On Tue, Nov 03, 2009 at 12:14:23PM -0200, Marcelo Tosatti wrote:
> On Sun, Nov 01, 2009 at 01:56:22PM +0200, Gleb Natapov wrote:
> > Asynchronous page fault notifies vcpu that page it is trying to access
> > is swapped out by a host. In response guest puts a task that caused the
> > fault to sleep until page is swapped in again. When missing page is
> > brought back into the memory guest is notified and task resumes execution.
> Can't you apply this to non-paravirt guests, and continue to deliver
> interrupts while waiting for the swapin?
> It should allow the guest to schedule a different task.
But how can I make the guest to not run the task that caused the fault?

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