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Re: [Xen-devel] Re: Getting rid of xenbus_suspend(): tpmfrontdriver impa
| To: | "Tian, Kevin" <kevin.tian@xxxxxxxxx>, Stefan Berger <stefanb@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: Getting rid of xenbus_suspend(): tpmfrontdriver impacted? |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Mon, 06 Nov 2006 08:51:52 +0000 |
| Cc: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Zhai, Edwin" <edwin.zhai@xxxxxxxxx>, xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Mon, 06 Nov 2006 07:24:49 -0800 |
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| Thread-topic: | [Xen-devel] Re: Getting rid of xenbus_suspend(): tpmfrontdriver impacted? |
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On 6/11/06 08:09, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote: > When you said "xenbus_resume" will not be executed, could I suppose that only > per-PV drivers' resume handler won't be invoked, while instead xb_init_comms > and > xs_resume are still invoked just after resuming point? In any case, we still > need > rebuild xenbus channel first, and then to let PV drivers detecting re-connect, > am I > right? No, there would still be a connection through to the xenstored. I guess we do take a few mutexes and so on, so we would need a bit of undo code. So xenbus_suspend_cancel() is probably the way to go. But full re-connection is not required. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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