RE: [Xen-ia64-devel][Patch]Add two PAL calls which fixSMPwindowsinstallation crashing bug

[tgingold@xxxxxxx]

Quoting "Zhang, Xing Z" <xing.z.zhang@xxxxxxxxx>:

> Hi Kouya and Tristan:
>       I still have a question. After "11.XEN stops the vcpu", APs wait in 
> Xen, how
> does BSP wake up them again? I don't think BSP will send an IPI to them
> again.
It should.  That's the method to awake it.

> In windows, seems BSP will wait a very short time for AP waking up. Whiles
> APs waked up, they will fall into a loop to wait another times waking up by
> BSP.
> But this time, BSP use memory semaphore to do that but not an IPI.
> En, maybe something I lost, hope your comments.
I do not fully understand the issue.  Did the APs returned to SAL ?

Tristan.

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