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RE: [Xen-devel] another regression from IRQ handling changes

To: Jan Beulich <JBeulich@xxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: RE: [Xen-devel] another regression from IRQ handling changes
From: "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx>
Date: Tue, 22 Sep 2009 19:54:44 +0800
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Thread-topic: [Xen-devel] another regression from IRQ handling changes
Attached the patch with the sign-off-by and the description, thanks for the 
useful discussion about this topic! 
Xiantao 

-----Original Message-----
From: Jan Beulich [mailto:JBeulich@xxxxxxxxxx] 
Sent: Tuesday, September 22, 2009 7:34 PM
To: Keir Fraser; Zhang, Xiantao
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] another regression from IRQ handling changes

>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 22.09.09 12:32 >>>
>On 22/09/2009 11:10, "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx> wrote:
>
>> Don't be so complex to handle it. I think the following patch should fix the
>> potential issue. 
>> For linux dom0, it shouldn't depend on the value of rte.vector at all when 
>> GSI
>> irq > 256, and just make pirq equal to irq and then build the pirq and irq
>> mapping.  
>
>This would be acceptable to me. What do you think, Jan?

Indeed, that should do it (we'll supposedly get this tested later this year).

Thanks!

Jan

Attachment: support_more_than_256_pins_of_ioapic.patch
Description: support_more_than_256_pins_of_ioapic.patch

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