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Re: [Xen-devel] [RFC] [Design] Better XL support of RTDS scheduler for Xen 4.6
- To: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
- From: Ian Campbell <ian.campbell@xxxxxxxxxx>
- Date: Tue, 24 Feb 2015 11:08:43 +0000
- Cc: Wei Liu <wei.liu2@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "xisisu@xxxxxxxxx" <xisisu@xxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxx>, "chaowang@xxxxxxxxx" <chaowang@xxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxx>, "sokolsky@xxxxxxxxxxxxx" <sokolsky@xxxxxxxxxxxxx>, "linhphan@xxxxxxxxxxxxx" <linhphan@xxxxxxxxxxxxx>, "xumengpanda@xxxxxxxxx" <xumengpanda@xxxxxxxxx>, "cdgill@xxxxxxxxxxxxx" <cdgill@xxxxxxxxxxxxx>, "lichong659@xxxxxxxxx" <lichong659@xxxxxxxxx>, "lu.wustl@xxxxxxxxx" <lu.wustl@xxxxxxxxx>, "lee@xxxxxxxxxxxxx" <lee@xxxxxxxxxxxxx>, "dgolomb@xxxxxxxxxxxxxx" <dgolomb@xxxxxxxxxxxxxx>, "mengxu@xxxxxxxxxxxxx" <mengxu@xxxxxxxxxxxxx>
- Delivery-date: Tue, 24 Feb 2015 11:09:09 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Tue, 2015-02-24 at 10:58 +0000, Dario Faggioli wrote:
> OTOH, if we have such a large guest, and we only want to change the
> params for one vcpu and we go for batching, we'd always have to pass the
> big array, with only one meaningful value.
Such an interface would then naturally want to include first and nr
params allowing you to pass in only an array slice, i.e. array[0]
applies to cpu[first].
Ian.
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