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Re: [Xen-devel] [PATCH] abstract request_evtchn



Keir Fraser wrote:

On 1 Aug 2005, at 23:32, Matt Chapman wrote:

This patch provides request_evtchn and free_evtchn, intended
to be used instead of bind_evtchn_to_irq/request_irq and
free_irq/unbind_evtchn_from_irq.  This allows architectures
to implement event channels as they see fit, not necessarily
using Linux IRQs.


Why would you not hook into the IRQ subsystem? This doesn't seem like a useful patch to me.

This abstraction is useful for getting VBD/VNIF working as modules on unmodified Linux running on VT domains (both x86 and ia64).

        -Arun

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