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Re: [Xen-devel] [PATCH RFC V5 00/11] Paravirtualized ticketlocks

To: James Harper <james.harper@xxxxxxxxxxxxxxxx>
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Thu, 13 Oct 2011 00:03:00 -0700
Cc: Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Thu, 13 Oct 2011 00:06:18 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

On 10/12/2011 07:50 PM, James Harper wrote:
>> Thoughts? Comments? Suggestions?
>>
> I am lead to believe that Hyper-V guests provide some sort of spinlock
> notification (a commit to KVM seems to suggest it). Has that been
> considered at all here, if such notification can be exposed to Xen?
>

Yes, that's basically what this series is about: a mechanism for Linux
to tell Xen "I'm stuck in a spinlock".

    J

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- [Xen-devel] [PATCH RFC V5 00/11] Paravirtualized ticketlocks
  - From: Jeremy Fitzhardinge
- RE: [Xen-devel] [PATCH RFC V5 00/11] Paravirtualized ticketlocks
  - From: James Harper

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