RE: [Xen-devel] How to query the number of vcpus?

To:	"Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Subject:	RE: [Xen-devel] How to query the number of vcpus?
From:	"Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date:	Sat, 30 Apr 2005 19:03:16 +0100
Cc:	Kip Macy <kip.macy@xxxxxxxxx>, Ryan Harper <ryanh@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, christian.limpach@xxxxxxxxxxxx
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Thread-topic:	[Xen-devel] How to query the number of vcpus?

> cpumap_t is a reasonable name as at least it won't conflict 
> with type names internal to Xen.
> 
> However, why pass a pointer to a cpumap_t into PINCPU? And 
> should we cater now for systems with too many cpus to be 
> represented by a long?

I think so -- might as well get the interface right. I was thinking
something like the fd mask that get's passed to select, where you
sepcify the highest set bit.

Ian

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