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Re: [Xen-devel] [PATCH-4.5 v3 01/12] xen/arm: no need to set HCR_VI when using the vgic to inject irqs

To: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
From: Julien Grall <julien.grall@xxxxxxxxxx>
Date: Wed, 26 Feb 2014 19:50:28 +0000
Cc: jtd@xxxxxxxxxx, Ian.Campbell@xxxxxxxxxx
Delivery-date: Wed, 26 Feb 2014 19:50:46 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>



On 26/02/14 18:39, Stefano Stabellini wrote:

It can actually cause spurious interrupt injections into the guest.


I would explain what is the current behaviour with HCR_VI, e.g. the
guest is entering in interrupt mode...

By only reading the documentation and your commit message, this patchseems wrong (I know it's not the case ;)).


--
Julien Grall

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References:
- [Xen-devel] [PATCH-4.5 v3 0/12] remove maintenance interrupts
  - From: Stefano Stabellini
- [Xen-devel] [PATCH-4.5 v3 01/12] xen/arm: no need to set HCR_VI when using the vgic to inject irqs
  - From: Stefano Stabellini

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