[XenPPC] Re: Periodic VIRQ_TIMER required?

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 9/3/07 21:16, "Hollis Blanchard" <hollisb@xxxxxxxxxx> wrote:

> So in conclusion, I think we'll need the legacy behavior, though it
> might be interesting for us in the future to modify Linux to use hcalls
> to create timer events.

Okay. That’s where Jeremy is going with the paravirt_ops patches (for x86 only right now, of course). Linux 2.6 now has dynticks (as of 2.6.21-rc I think) which means the kernel can run tickless, which is nice when running in a virtualised environment.

I’ll give you back the old behaviour for now.

 -- Keir



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