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Re: [Xen-devel] [PATCH v5 4/6] xen/x86: Allow stubdom access to irq created for msi.



Hi,

Sorry for jumping late in the discussion.

On 7/17/19 2:00 AM, Marek Marczykowski-Górecki wrote:
diff --git a/xen/include/xen/irq.h b/xen/include/xen/irq.h
index 586b783..c7a6a83 100644
--- a/xen/include/xen/irq.h
+++ b/xen/include/xen/irq.h
@@ -91,6 +91,7 @@ typedef struct irq_desc {
      spinlock_t lock;
      struct arch_irq_desc arch;
      cpumask_var_t affinity;
+    domid_t creator_domid; /* weak reference to domain handling this IRQ */

This x86 only. Can this be moved in arch_irq_desc to avoid increasing the structure on Arm?

Cheers,

--
Julien Grall

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