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RE: [Xen-devel] Question about evtchn_callback reentry
| To: | "Keir Fraser" <keir@xxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] Question about evtchn_callback reentry |
| From: | "Xu, Anthony" <anthony.xu@xxxxxxxxx> |
| Date: | Wed, 20 Dec 2006 11:03:43 +0800 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Tue, 19 Dec 2006 19:04:17 -0800 |
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| Thread-index: | AcciZU0dbGSEqQXwQrycerXX2pFPWAAIgEAJAAAfzJAAA9BF0QAE0ffJAE4l/cA= |
| Thread-topic: | [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. --Anthony > > -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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