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RE: [Xen-devel] Question about evtchn_callback reentry

Keir Fraser write on 2006年12月18日 21:42:
> On 18/12/06 11:24, "Keir Fraser" <keir@xxxxxxxxxxxxx> wrote:
> Okay, so I remember now that of course the APIC divides these into 16
> priority levels so that does rather restrict the maximum nesting.
> I'll be happy to consider adding prioritisation (or just complete
> disallow of nesting) for 3.0.5. 

Hi Keir,

I did a experiment,
If we completely disallow of nesting.
Even dom0 can't boot.

I suspected timer interrupt is blocked by other events.


>  -- Keir

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