Re: [Xen-devel] periodic tasks in Xen

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 11/3/07 20:50, "Diwaker Gupta" <diwaker.lists@xxxxxxxxx> wrote:

> Thanks Keir. One more question: it seems that the timer is invoked via
> softirq, which runs in the context of the domain which was executing
> when the IRQ was raied. Now my timer function sometimes pauses certain
> domains, and if it pauses the domain in whose context the IRQ was
> invoked, this causes problems. Is there a better way of doing this?

Don't pause the domain? If you want to pause domains you're probably wanting
hypervisor threads. They don't exist, yet. But they likely will in future
for potentially expensive operations like domain destruction, page
scrubbing, etc.

 -- Keir


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