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Re: [Xen-devel] [PATCH 6/10] Allow vcpu to pause self
| To: | "Tian, Kevin" <kevin.tian@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH 6/10] Allow vcpu to pause self |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Thu, 12 Jul 2007 09:01:04 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 12 Jul 2007 00:55:40 -0700 |
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| In-reply-to: | <C2BB9A88.AB08%keir@xxxxxxxxxxxxx> |
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| Thread-topic: | [Xen-devel] [PATCH 6/10] Allow vcpu to pause self |
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On 12/7/07 08:44, "Keir Fraser" <keir@xxxxxxxxxxxxx> wrote: > How about doing the whole suspend/resume in dom0/vcpu0 context? Why switch > to a softirq at all? You can force dom0/vcpu0 onto cpu0 temporarily by > wrapping the suspend/resume in a pair of calls to vcpu_set_affinity(). You may need to temporarily rewrite ->schedule_tail as well, to regain control after the scheduling softirq. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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