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[Xen-devel] Re: Xen spinlock questions
| To: | Jan Beulich <jbeulich@xxxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: Xen spinlock questions |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Tue, 05 Aug 2008 08:33:34 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 05 Aug 2008 00:33:56 -0700 |
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| Thread-topic: | Xen spinlock questions |
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On 5/8/08 07:32, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: > one thing we'd be in even more need for here than > old-style spin locks had been would be a directed yield (sub-)hypercall. > Has that ever been considered to become a schedop? It has. Someone will need to implement it and show a convincing performance win with it with a real benchmark. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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