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[Xen-devel] CALL_FUNCTION broadcast vs. a set of cpus
| To: | "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] CALL_FUNCTION broadcast vs. a set of cpus |
| From: | "Dong, Eddie" <eddie.dong@xxxxxxxxx> |
| Date: | Wed, 31 Aug 2005 14:40:25 +0800 |
| Delivery-date: | Wed, 31 Aug 2005 06:38:35 +0000 |
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| Thread-index: | AcWtmKlpP/lfO0nfT1GBlpsOrkFGOAAW74hg |
| Thread-topic: | CALL_FUNCTION broadcast vs. a set of cpus |
Ian/Kier:
Current implementation of CALL_FUNCTION is broadcasting IPI to
all but self. For VMX domain, in some situation like vcpu migration, we
need call function to specified target processor only like VMCS register
dump. I am curious if you'd like to see an additional parameter
(cpu_mask) for smp_call_function and minor modification to
smp_call_function_interrupt to support this? Or do you prefer to add a
new function with similar function but targeting specified cpus?
Thanks,eddie
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