Re: [Xen-devel] [PATCH, resend] replacement for noirqdebug hack

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> 07.06.06 17:57 >>>
>
>How about the following patch, which is a cleaner modification to Linux 
>and does not affect shared_info layout? Note that it depends on a Xen 
>patch that is currently in the staging tree (extends the irq info 
>hypercall to inform about sharing status), and that the patch is 
>against xen-unstable. The status check is much slower than reading from 
>shared memory, but ought to be on a rare path (unless you have a 
>high-rate interrupt line shared across guests, which is going to be 
>rather suckful anyway).

Yes, that looks fine to me (assuming that the other patch you mention is the 
one introducing
PHYSDEVOP_irq_status_query, and that this is a non-intrusive addition).

Jan

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