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Re: [PATCH, RFC, resend] Re: [Xen-devel] granting access to MSI-X table

To: "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>
Subject: Re: [PATCH, RFC, resend] Re: [Xen-devel] granting access to MSI-X table and pending bit array
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Wed, 15 Sep 2010 07:52:12 +0100
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>
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Thread-topic: [PATCH, RFC, resend] Re: [Xen-devel] granting access to MSI-X table and pending bit array
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Jan hasn't submitted the patches for inclusion. They haven't been
'signed-off-by'.

 K.

On 15/09/2010 02:32, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote:

> Keir, this patch works well on my test, is it possible to pick this up?
> 
> Thanks
> --jyh
> 
>> -----Original Message-----
>> From: Jiang, Yunhong
>> Sent: Wednesday, September 01, 2010 3:39 PM
>> To: Jiang, Yunhong; Jan Beulich
>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; KonradRzeszutek Wilk
>> Subject: RE: [PATCH, RFC, resend] Re: [Xen-devel] granting access to MSI-X
>> table and
>> pending bit array
>> 
>> Sorry for slow response because I met some trouble on environment setup.
>> 
>> This patch works well. Without this patch, the PV DomU can change the vector
>> and
>> cause spurios interrupt to xen hypervisor. With this patch, PV DomU can't
>> update
>> the vector anymore.
>> 
>> Ack.
>> 
>> Thanks
>> --jyh
>> 
>>> -----Original Message-----
>>> From: Jiang, Yunhong
>>> Sent: Friday, August 27, 2010 5:38 PM
>>> To: Jan Beulich
>>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; KonradRzeszutek Wilk
>>> Subject: RE: [PATCH, RFC, resend] Re: [Xen-devel] granting access to MSI-X
>>> table
>> and
>>> pending bit array
>>> 
>>>>> Anyway, your patch do make great improvement, these issues (global list,
>>>>> guest's existing mapping and checking in _sh_propgate) is not important,
>>>>> or
>>>>> can be enhanced later, I'm glad to verify your patch on my system. Do you
>>>>> have any updated patch, or I can simply use the one you sent out on Aug,
>>>>> 13?
>>>> 
>>>> Yes, that one should be fine and up-to-date.
>>> 
>>> Sure, but I will do that on next monday since I will be out in weekend and
>>> cant'
>>> access the system.
>>> 
>>> Thanks
>>> --jyh
>>> 
>>>> 
>>>> Jan
> 



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