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Re: [Xen-devel] [PATCH 3/3] tools/xm-test: add cpus parm test in create

To: Ryan Harper <ryanh@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 3/3] tools/xm-test: add cpus parm test in create bucket
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Wed, 16 Aug 2006 15:43:06 +0100
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On 16/8/06 3:27 pm, "Ryan Harper" <ryanh@xxxxxxxxxx> wrote:

> As long as the first cpu in the mask is available then the affinity
> settings will succeed.

Really? Xen itself doesn't have such a test (at least not any more) I
believe. Xen ANDs the mask with cpu_online_map and then complains if the
result is empty.

 -- Keir

>  In my current revision of the test I examined the
> number of vcpus in the test strings but I think instead I'll examine all
> of the test strings and compare the first value of every set.  The max
> of those values is the minimum number of cpus needed since xen will pin
> the vcpu to the first bit in the affinity mask.

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