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RE: [XEN v2] GICv3: Emulate GICR_PENDBASER correctly for 32 bit guests


  • To: Julien Grall <julien@xxxxxxx>, Ayan Kumar Halder <ayankuma@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Henry Wang <Henry.Wang@xxxxxxx>
  • Date: Wed, 26 Oct 2022 01:56:09 +0000
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  • Delivery-date: Wed, 26 Oct 2022 01:56:34 +0000
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  • Thread-topic: [XEN v2] GICv3: Emulate GICR_PENDBASER correctly for 32 bit guests

Hi Julien,

> -----Original Message-----
> From: Julien Grall <julien@xxxxxxx>
> Subject: Re: [XEN v2] GICv3: Emulate GICR_PENDBASER correctly for 32 bit
> guests
> 
> (+Henry)
> 
> Hi Ayan,
> 
> Adding Henry because this is something we probably want to fix in Xen
> 4.17. AFAIU, the value is not used at all in Xen, so the risk is mostly
> returning a wrong value to a domain using GICv3 ITS (not officially
> supported and only expose to dom0 so far). Therefore, I would say this
> should be OK to ingest in Xen 4.17.

This sounds good to me (with your comments properly addressed):

Release-acked-by: Henry Wang <Henry.Wang@xxxxxxx>

Kind regards,
Henry




 


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