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Re: [Xen-devel] [Patch] continue_hypercall_on_cpu rework using tasklets


  • To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • From: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
  • Date: Wed, 30 Dec 2009 14:59:47 +0100
  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Wed, 30 Dec 2009 06:00:40 -0800
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Keir Fraser wrote:
> Looks great. You can rebase cpupools on top of it and both can go in after
> 4.0 is released.

Thanks!


Juergen

> 
>  -- Keir
> 
> On 30/12/2009 13:46, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxx> wrote:
> 
>> Hi,
>>
>> attached is a patch to use tasklets for continue_hypercall_on_cpu instead of
>> temporarily pinning the vcpu to the target physical cpu.
>>
>> This is thought as base for cpupools as Keir requested to get rid of the
>> "borrow cpu" stuff in my original solution.
>>
>> Tested on x86_64 via a little test hypercall calling 
>> continue_hypercall_on_cpu
>> with different target cpus.
>>
>> Keir, is this solution the direction you wanted to go to?
>>
>>
>> Juergen
> 
> 
> 
> 


-- 
Juergen Gross                 Principal Developer Operating Systems
TSP ES&S SWE OS6                       Telephone: +49 (0) 89 3222 2967
Fujitsu Technolgy Solutions               e-mail: juergen.gross@xxxxxxxxxxxxxx
Domagkstr. 28                           Internet: ts.fujitsu.com
D-80807 Muenchen                 Company details: ts.fujitsu.com/imprint.html

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