Re: [Xen-devel] [PATCH v4 18/33] xen/arm: Release IRQ routed to a domain when it's destroying

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2015-03-19 at 19:29 +0000, Julien Grall wrote:
> Xen has to release IRQ routed to a domain in order to reuse later.
> Currently only SPIs can be routed to the guest so we only need to
> browse SPIs for a specific domain.
> 
> Furthermore, a guest can crash and let the IRQ in an incorrect state

"leave the irq"

> (i.e has not being EOIed). Xen will have to reset the IRQ in order to

s/being/been/

> be able to reuse the IRQ later.
> 
> Introduce 2 new functions for release an IRQ routed to a domain:
>     - release_guest_irq: upper level to retrieve the IRQ, call the GIC
>     code and release the action
>     - gic_remove_guest_irq: Check if we can remove the IRQ, and reset
>     it if necessary
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>



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