From: David Hopwood <david.nospam.hopwood@blueyonder.co.uk>
To: xen-devel@lists.xensource.com
Subject: Re: How to query the number of vcpus?
Date: Sat, 30 Apr 2005 15:09:07 +0100 [thread overview]
Message-ID: <42739183.7000706@blueyonder.co.uk> (raw)
In-Reply-To: <E1DRoC6-0004dk-00@mta1.cl.cam.ac.uk>
Keir Fraser wrote:
> Also I'd change the appearances of the mask in the dom0 interface from:
> cpumap_t cpumap[MAX_VIRT_CPUS]
> And:
> cpumap_t *cpumap
> To:
> u8 vcpumask[MAX_VCPUID/8]
u8 vcpumask[MAX_VCPUID/8 + 1]
> Having an array of '_t' is odd as each entry in the array is really
> logically just a single bit. And I would like to separate the size of
> the array at the admin interfaces from MAX_VIRT_CPUS: it would be nice
> to be able to increase MAX_VIRT_CPUS without changing the admin
> interface. That's why I'd add something like MAX_VCPUID (probably set
> it to 256).
255 (if it's the maximum ID rather than the number of IDs).
--
David Hopwood <david.nospam.hopwood@blueyonder.co.uk>
next prev parent reply other threads:[~2005-04-30 14:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-29 20:08 How to query the number of vcpus? Kip Macy
2005-04-29 20:16 ` Keir Fraser
2005-04-29 20:18 ` Ryan Harper
2005-04-29 20:24 ` Kip Macy
2005-04-30 9:23 ` Keir Fraser
2005-04-30 14:09 ` David Hopwood [this message]
2005-04-30 14:50 ` Keir Fraser
-- strict thread matches above, loose matches on Subject: below --
2005-04-30 18:03 Ian Pratt
2005-04-30 19:01 ` Keir Fraser
2005-05-01 4:21 Ian Pratt
2005-05-02 15:21 ` Ryan Harper
2005-05-02 15:27 ` Keir Fraser
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